What is the most punctual flight time for San Francisco to Chicago flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What airlines fly to Chicago O'Hare Intl Airport?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from San Francisco according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 8 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

How many flights depart from San Francisco to Chicago O'Hare Intl Airport on average per day?

The number of flights available between San Francisco and Chicago O'Hare Intl Airport is 50 per day as of November 2025. The most frequent departure time is 6:00AM, with 46% of daily flights leaving at noon.

What is the cheapest airline that flies from San Francisco to Chicago O'Hare Intl?

Frontier, Alaska Airlines, and American Airlines are the most popular carriers operating from San Francisco to Chicago O'Hare Intl

How often are flights from San Francisco to Chicago delayed?

Historically, on average around 10% of flights between San Francisco and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 185 minutes.

How many flights depart from San Francisco to Chicago O'Hare Intl Airport on average per week?

As of November 2025, there are 352 flights per week flying from San Francisco to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.

Which airline has the best punctuality record on San Francisco to Chicago flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

When did momondo last update prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport?

Prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport were last updated today.

How many operators does momondo search for flights from San Francisco Airport to Chicago O'Hare Intl Airport?

There are 7 operators available for flights from San Francisco Airport to Chicago O'Hare Intl Airport as of November 2025.

How old do you have to be to fly from San Francisco Airport to Chicago O'Hare Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$123 Cheap Flights from San Francisco to Chicago O'Hare Intl Airport in 2025/26

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6:00 pm - 5:32 amSFO-ORD

9h 32m1 stop

6:50 am - 9:11 pmORD-SFO

16h 21m1 stop

$285Multiple Airlines

Find Deal

sáb., nov. 22 - jue., dic. 4

10:30 am - 11:59 pmSFO-ORD

11h 29m1 stop

11:00 am - 10:31 pmORD-SFO

13h 31m2 stops

$288Delta

Find Deal

mar., dic. 9 - mar., dic. 16

3:07 pm - 5:02 amSFO-ORD

11h 55m1 stop

9:00 am - 2:22 pmORD-SFO

7h 22m1 stop

$289Alaska Airlines

Find Deal

jue., ene. 1 - sáb., ene. 31

1:10 pm - 12:59 amSFO-ORD

9h 49m1 stop

6:05 pm - 10:27 pmORD-SFO

6h 22m1 stop

$292Frontier

Find Deal

dom., nov. 16 - mar., nov. 18

9:29 am - 11:44 pmSFO-ORD

12h 15m2 stops

7:51 pm - 12:25 amORD-SFO

6h 34m1 stop

$293Frontier

Find Deal

lun., nov. 17 - lun., ene. 12

6:00 am - 12:25 pmSFO-ORD

4h 25mnonstop

10:57 am - 4:34 pmORD-SFO

7h 37m1 stop

$299American Airlines

Find Deal

jue., ene. 8 - dom., ene. 11

8:20 am - 8:00 pmSFO-ORD

9h 40m1 stop

8:35 am - 11:26 amORD-SFO

4h 51mnonstop

$300American Airlines

Find Deal

vie., dic. 5 - jue., dic. 11

2:50 pm - 9:07 pmSFO-ORD

4h 17mnonstop

6:35 pm - 9:29 pmORD-SFO

4h 54mnonstop

$303United Airlines

Find Deal

jue., dic. 11 - lun., dic. 15

7:00 am - 8:02 pmSFO-ORD

11h 02m1 stop

8:00 am - 1:54 pmORD-SFO

7h 54m1 stop

$304Alaska Airlines

Find Deal

jue., dic. 18 - jue., dic. 25

4:50 pm - 11:10 pmSFO-ORD

4h 20mnonstop

7:35 pm - 10:37 pmORD-SFO

5h 02mnonstop

$329United Airlines

Find Deal

vie., dic. 12 - dom., dic. 14

Delta flights from San Francisco to Chicago O'Hare Intl Airport

Our best Delta deals on San Francisco to Chicago O'Hare Intl Airport flight tickets

Delta

Dec 9

SFO10:30 amSan Francisco

11h 29m

1 stop

ORD11:59 pmChicago O'Hare Intl

Dec 16

ORD11:00 amChicago O'Hare Intl

13h 31m

2 stops

SFO10:31 pmSan Francisco

$288

Find similar

Delta

Nov 24

SFO6:00 amSan Francisco

9h 18m

1 stop

ORD5:18 pmChicago O'Hare Intl

Dec 3

ORD7:50 amChicago O'Hare Intl

16h 41m

1 stop

SFO10:31 pmSan Francisco

$290

Find similar

Delta

Dec 8

SFO12:30 amSan Francisco

6h 10m

1 stop

ORD8:40 amChicago O'Hare Intl

Dec 18

ORD7:50 amChicago O'Hare Intl

10h 07m

1 stop

SFO3:57 pmSan Francisco

$291

Find similar

Alaska Airlines flights from San Francisco to Chicago O'Hare Intl Airport

Our best Alaska Airlines deals on San Francisco to Chicago O'Hare Intl Airport flight tickets

Alaska Airlines

Jan 1

SFO3:07 pmSan Francisco

11h 55m

1 stop

ORD5:02 amChicago O'Hare Intl

Jan 31

ORD9:00 amChicago O'Hare Intl

7h 22m

1 stop

SFO2:22 pmSan Francisco

$289

Find similar

Alaska Airlines

Dec 18

SFO7:00 amSan Francisco

11h 02m

1 stop

ORD8:02 pmChicago O'Hare Intl

Dec 25

ORD8:00 amChicago O'Hare Intl

7h 54m

1 stop

SFO1:54 pmSan Francisco

$304

Find similar

Alaska Airlines

Nov 19

SFO10:35 amSan Francisco

11h 24m

1 stop

ORD11:59 pmChicago O'Hare Intl

Dec 2

ORD8:59 pmChicago O'Hare Intl

13h 07m

1 stop

SFO8:06 amSan Francisco

$305

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

sáb. 11/22

6:00 pm-5:32 am

1 stop9h 32m

Chicago O'Hare Intl

jue. 12/4

6:50 am-9:11 pm

1 stop16h 21m

$285

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

mar. 12/9

10:30 am-11:59 pm

1 stop11h 29m

Chicago O'Hare Intl

mar. 12/16

11:00 am-10:31 pm

2 stops13h 31m

$288

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

jue. 1/1

3:07 pm-5:02 am

1 stop11h 55m

Chicago O'Hare Intl

sáb. 1/31

9:00 am-2:22 pm

1 stop7h 22m

$289

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

dom. 11/16

1:10 pm-12:59 am

1 stop9h 49m

Chicago O'Hare Intl

mar. 11/18

6:05 pm-10:27 pm

1 stop6h 22m

$292

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

lun. 11/17

9:29 am-11:44 pm

2 stops12h 15m

Chicago O'Hare Intl

lun. 1/12

7:51 pm-12:25 am

1 stop6h 34m

$293

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

jue. 1/8

6:00 am-12:25 pm

Nonstop4h 25m

Chicago O'Hare Intl

dom. 1/11

10:57 am-4:34 pm

1 stop7h 37m

$299

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

vie. 12/5

8:20 am-8:00 pm

1 stop9h 40m

Chicago O'Hare Intl

jue. 12/11

8:35 am-11:26 am

Nonstop4h 51m

$300

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

jue. 12/11

2:50 pm-9:07 pm

Nonstop4h 17m

Chicago O'Hare Intl

lun. 12/15

6:35 pm-9:29 pm

Nonstop4h 54m

$303

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

jue. 12/18

7:00 am-8:02 pm

1 stop11h 02m

Chicago O'Hare Intl

jue. 12/25

8:00 am-1:54 pm

1 stop7h 54m

$304

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

vie. 12/12

4:50 pm-11:10 pm

Nonstop4h 20m

Chicago O'Hare Intl

dom. 12/14

7:35 pm-10:37 pm

Nonstop5h 02m

$329

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Francisco to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of April is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from San Francisco averaging around $312.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $406. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $505.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from San Francisco in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $412 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $466. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest San Francisco to Chicago O'Hare Intl flight route?

Fly from San Francisco to Chicago O'Hare Intl for the best San Francisco - Chicago O'Hare Intl flight prices

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $372 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from San Francisco for as low as $308 on momondo.

What cabin class options are available on San Francisco to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on San Francisco to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between San Francisco to Chicago O'Hare Intl Airport.

How have San Francisco to Chicago O'Hare Intl Airport flight prices changed over time?

As of November 2025, prices for San Francisco to Chicago O'Hare Intl Airport flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Francisco to Chicago O'Hare Intl Airport (SFO to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Chicago O'Hare Intl Airport

Best Price Found	$197
Fastest flight time	4h 05m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from San Francisco in the past 72 hours is $197. The best round-trip flight deal from San Francisco to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $397.

The fastest flight from San Francisco to Chicago O'Hare Intl Airport takes 4h 05m

Direct flights go from San Francisco to Chicago O'Hare Intl Airport every day.

Search flight deals

How far is San Francisco to Chicago O'Hare Intl by plane?
There are 1838.3 mi between San Francisco and Chicago O'Hare Intl. Typically, this will take 4h 17m by plane in normal conditions.
When did momondo last update prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport?
Prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport were last updated today.
How many operators does momondo search for flights from San Francisco Airport to Chicago O'Hare Intl Airport?
There are 7 operators available for flights from San Francisco Airport to Chicago O'Hare Intl Airport as of November 2025.
How old do you have to be to fly from San Francisco Airport to Chicago O'Hare Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Francisco to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from San Francisco to Chicago O'Hare Intl Airport is Airbus A321neo, representing 17.50% of all bookings. The subsequent popular models are Boeing 757-300 at 17.15%, Boeing 737-800 at 16.72%, and Boeing 737-900 at 11.74%.
What is the most popular airline from San Francisco to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between San Francisco and Chicago O'Hare Intl Airport, the leading airline is United Airlines, making up 47% of the total bookings. Other popular airlines include American Airlines with 39%, Alaska Airlines with 7%, and Frontier with 4%.

Best airlines flying from San Francisco to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from San Francisco to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Hawaiian Airlines	PriceFrom $108	Free Cancellation	Rating 7.8 2,804 reviews	Search Hawaiian Airlines flights
Frontier	PriceFrom $128	Free Cancellation	Rating 5.8 3,116 reviews	Search Frontier flights
Delta	PriceFrom $128	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
Southwest	PriceFrom $185	Free Cancellation	Rating 8.0 4,240 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $196	Free Cancellation	Rating 8.0 11,241 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $197	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
United Airlines	PriceFrom $207	Free Cancellation	Rating 7.4 9,003 reviews	Search United Airlines flights

United Airlines Flights From San Francisco to Chicago O'Hare Intl Airport
United Airlines flight deals from San Francisco to Chicago O'Hare Intl Airport start from $207 round-trip. Over the 48 United Airlines flights for this route in a normal week, average airfare is usually $415 round-trip - but some users have found much cheaper deals with momondo.
American Airlines Flights From San Francisco to Chicago O'Hare Intl Airport
American Airlines is also a popular choice for this route. American Airlines flight deals for San Francisco to Chicago O'Hare Intl Airport start from as low as $197 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $353. American Airlines operates 14 flights to Chicago O'Hare Intl Airport from San Francisco in an average week. Users have rated it 7.2/10 across 11,040 reviews.

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Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Chicago. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Francisco to Chicago with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Francisco to Chicago flights to just show those with flexible booking policies.

How can momondo help me find flights from San Francisco to Chicago?

Once you have performed a search for San Francisco to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Francisco to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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sáb. 12/6

sáb. 12/13

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Cheap flights from San Francisco to Chicago from $123

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Chicago departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from San Francisco to Chicago O'Hare Intl Airport

Our best Delta deals on San Francisco to Chicago O'Hare Intl Airport flight tickets

Alaska Airlines flights from San Francisco to Chicago O'Hare Intl Airport

Our best Alaska Airlines deals on San Francisco to Chicago O'Hare Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to Chicago O'Hare Intl Airport that are best for you.

See travel insights to Chicago from

How to get the cheapest flight ticket from San Francisco to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of April is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from San Francisco averaging around $312.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest San Francisco to Chicago O'Hare Intl flight route?

Fly from San Francisco to Chicago O'Hare Intl for the best San Francisco - Chicago O'Hare Intl flight prices

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

What cabin class options are available on San Francisco to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on San Francisco to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between San Francisco to Chicago O'Hare Intl Airport.

How have San Francisco to Chicago O'Hare Intl Airport flight prices changed over time?

As of November 2025, prices for San Francisco to Chicago O'Hare Intl Airport flights are approximately 11% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from San Francisco to Chicago O'Hare Intl?

Frontier, Alaska Airlines, and American Airlines are the most popular carriers operating from San Francisco to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

How often are flights from San Francisco to Chicago delayed?

Historically, on average around 10% of flights between San Francisco and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 185 minutes.

What is the most punctual flight time for San Francisco to Chicago flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on San Francisco to Chicago flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

How many flights depart from San Francisco to Chicago O'Hare Intl Airport on average per day?

The number of flights available between San Francisco and Chicago O'Hare Intl Airport is 50 per day as of November 2025. The most frequent departure time is 6:00AM, with 46% of daily flights leaving at noon.

How many flights depart from San Francisco to Chicago O'Hare Intl Airport on average per week?

As of November 2025, there are 352 flights per week flying from San Francisco to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.

When to book flights from San Francisco to Chicago O'Hare Intl Airport

Cheap San Francisco to Chicago O'Hare Intl Airport (SFO to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Chicago O'Hare Intl Airport

Best Price Found

Fastest flight time

Direct flights

How far is San Francisco to Chicago O'Hare Intl by plane?

When did momondo last update prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport?

How many operators does momondo search for flights from San Francisco Airport to Chicago O'Hare Intl Airport?

How old do you have to be to fly from San Francisco Airport to Chicago O'Hare Intl Airport?

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

What is the most popular plane model from San Francisco to Chicago O'Hare Intl Airport?

What is the most popular airline from San Francisco to Chicago O'Hare Intl Airport?

Best airlines flying from San Francisco to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from San Francisco to Chicago O'Hare Intl Airport with momondo

United Airlines Flights From San Francisco to Chicago O'Hare Intl Airport

American Airlines Flights From San Francisco to Chicago O'Hare Intl Airport

Traveling to a place near Chicago?

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Chicago?

Can I find flights from San Francisco to Chicago with flexible booking policies on momondo?

How can momondo help me find flights from San Francisco to Chicago?

I’m not ready to book a flight from San Francisco to Chicago right now. Can momondo alert me if prices change?

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Chicago