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

Frontier, Southwest, and Alaska Airlines are the most popular carriers operating from Washington to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 30% 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 long does it take to fly to Chicago O'Hare Intl Airport?

On average, it takes 3h 35m to fly from State of Washington to Chicago O'Hare Intl Airport if you fly out of Spokane (the most popular airport in State of Washington) and into Chicago O'Hare Intl Airport (the most popular airport in Chicago O'Hare Intl Airport). If you’re flying out of Seattle and into Chicago O'Hare Intl Airport, then the flight time is around 3h 55m.

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

There are 8 operators available for flights from Washington to Chicago O'Hare Intl Airport as of October 2025.

How old do you have to be to fly from Washington 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 Washington to Chicago O'Hare Intl Airport.

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

The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$60 Cheap Flights from State of Washington to Chicago O'Hare Intl Airport in 2025/26

Q: How many flights depart from State of Washington to Chicago O'Hare Intl Airport on average per day?

The number of flights available between State of Washington and Chicago O'Hare Intl Airport is 81 per day as of October 2025. The most frequent departure time is 10:00AM, with 58% of daily flights leaving at noon.

Q: How many flights depart from State of Washington to Chicago O'Hare Intl Airport on average per week?

The number of flights available between State of Washington and Chicago O'Hare Intl Airport is 569 per week as of October 2025. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:03 pm - 12:43 amGEG-ORD

10h 40m1 stop

6:00 am - 11:08 amORD-GEG

7h 08m1 stop

$108Frontier

Find Deal

jue., oct. 30 - jue., nov. 6

2:38 pm - 12:24 amGEG-ORD

7h 46m1 stop

6:00 am - 11:08 amORD-GEG

7h 08m1 stop

$187Multiple Airlines

Find Deal

mar., oct. 28 - jue., oct. 30

12:41 pm - 11:37 pmSEA-ORD

8h 56m1 stop

2:06 pm - 8:35 pmORD-SEA

8h 29m1 stop

$206Alaska Airlines

Find Deal

mié., ene. 7 - mar., ene. 20

3:48 pm - 11:59 pmSEA-ORD

6h 11m1 stop

9:00 am - 11:45 amORD-SEA

4h 45mnonstop

$207United Airlines

Find Deal

vie., oct. 31 - sáb., nov. 1

12:34 am - 6:42 amSEA-ORD

4h 08mnonstop

7:35 am - 10:25 amORD-SEA

4h 50mnonstop

$208American Airlines

Find Deal

mié., oct. 29 - dom., nov. 2

7:20 pm - 5:04 amGEG-ORD

7h 44m1 stop

7:45 am - 12:50 pmORD-GEG

7h 05m1 stop

$209Alaska Airlines

Find Deal

mar., mar. 3 - mié., mar. 4

5:45 pm - 11:44 pmSEA-ORD

3h 59mnonstop

7:30 am - 10:15 amORD-SEA

4h 45mnonstop

$213Delta

Find Deal

sáb., ene. 10 - mar., ene. 20

5:55 pm - 11:59 pmSEA-ORD

4h 04mnonstop

6:00 am - 8:47 amORD-SEA

4h 47mnonstop

$217Delta

Find Deal

jue., dic. 25 - jue., ene. 1

12:14 am - 6:07 amSEA-ORD

3h 53mnonstop

7:25 am - 10:02 amORD-SEA

4h 37mnonstop

$219American Airlines

Find Deal

mar., dic. 30 - lun., ene. 5

11:30 pm - 5:29 amSEA-ORD

3h 59mnonstop

6:15 am - 1:38 pmORD-SEA

9h 23m1 stop

$233United Airlines

Find Deal

vie., nov. 7 - dom., nov. 9

Frontier flights from State of Washington to Chicago O'Hare Intl Airport

Our best Frontier deals on State of Washington to Chicago O'Hare Intl Airport flight tickets

Frontier

Oct 30

GEG12:03 pmSpokane

10h 40m

1 stop

ORD12:43 amChicago O'Hare Intl

Nov 6

ORD6:00 amChicago O'Hare Intl

7h 08m

1 stop

GEG11:08 amSpokane

$108

Find similar

Frontier

Nov 6

SEA9:08 amSeattle/Tacoma Intl

12h 33m

2 stops

ORD11:41 pmChicago O'Hare Intl

Nov 9

ORD6:00 amChicago O'Hare Intl

7h 57m

1 stop

SEA11:57 amSeattle/Tacoma Intl

$211

Find similar

Frontier

Oct 26

GEG11:53 amSpokane

10h 00m

1 stop

ORD11:53 pmChicago O'Hare Intl

Nov 6

ORD6:00 amChicago O'Hare Intl

7h 08m

1 stop

GEG11:08 amSpokane

$212

Find similar

Alaska Airlines flights from State of Washington to Chicago O'Hare Intl Airport

Our best Alaska Airlines deals on State of Washington to Chicago O'Hare Intl Airport flight tickets

Alaska Airlines

Jan 7

SEA12:41 pmSeattle/Tacoma Intl

8h 56m

1 stop

ORD11:37 pmChicago O'Hare Intl

Jan 20

ORD2:06 pmChicago O'Hare Intl

8h 29m

1 stop

SEA8:35 pmSeattle/Tacoma Intl

$206

Find similar

Alaska Airlines

Mar 3

GEG7:20 pmSpokane

7h 44m

1 stop

ORD5:04 amChicago O'Hare Intl

Mar 4

ORD7:45 amChicago O'Hare Intl

7h 05m

1 stop

GEG12:50 pmSpokane

$209

Find similar

Alaska Airlines

Jan 30

GEG7:30 amSpokane

7h 40m

1 stop

ORD5:10 pmChicago O'Hare Intl

Feb 3

ORD3:35 pmChicago O'Hare Intl

7h 50m

1 stop

GEG9:25 pmSpokane

$211

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SpokaneChicago

GEG - ORD

GEGORD

Spokane

jue. 10/30

12:03 pm-12:43 am

1 stop10h 40m

Chicago O'Hare Intl

jue. 11/6

6:00 am-11:08 am

1 stop7h 08m

$108

SpokaneChicago

GEG - ORD

GEGORD

Spokane

mar. 10/28

2:38 pm-12:24 am

1 stop7h 46m

Chicago O'Hare Intl

jue. 10/30

6:00 am-11:08 am

1 stop7h 08m

$187

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

mié. 1/7

12:41 pm-11:37 pm

1 stop8h 56m

Chicago O'Hare Intl

mar. 1/20

2:06 pm-8:35 pm

1 stop8h 29m

$206

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

vie. 10/31

3:48 pm-11:59 pm

1 stop6h 11m

Chicago O'Hare Intl

sáb. 11/1

9:00 am-11:45 am

Nonstop4h 45m

$207

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

mié. 10/29

12:34 am-6:42 am

Nonstop4h 08m

Chicago O'Hare Intl

dom. 11/2

7:35 am-10:25 am

Nonstop4h 50m

$208

SpokaneChicago

GEG - ORD

GEGORD

Spokane

mar. 3/3

7:20 pm-5:04 am

1 stop7h 44m

Chicago O'Hare Intl

mié. 3/4

7:45 am-12:50 pm

1 stop7h 05m

$209

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

sáb. 1/10

5:45 pm-11:44 pm

Nonstop3h 59m

Chicago O'Hare Intl

mar. 1/20

7:30 am-10:15 am

Nonstop4h 45m

$213

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

jue. 12/25

5:55 pm-11:59 pm

Nonstop4h 04m

Chicago O'Hare Intl

jue. 1/1

6:00 am-8:47 am

Nonstop4h 47m

$217

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

mar. 12/30

12:14 am-6:07 am

Nonstop3h 53m

Chicago O'Hare Intl

lun. 1/5

7:25 am-10:02 am

Nonstop4h 37m

$219

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

vie. 11/7

11:30 pm-5:29 am

Nonstop3h 59m

Chicago O'Hare Intl

dom. 11/9

6:15 am-1:38 pm

1 stop9h 23m

$233

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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

Other information

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

The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from State of Washington averaging around $268.

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 $393. 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 State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $504.

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 State of Washington in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $290 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $457. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Seattle/Tacoma Intl to Chicago O'Hare Intl for the best Washington - 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 State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $311 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 State of Washington for as low as $269 on momondo.

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

There are 4 cabin classes available to choose from on Washington 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 State of Washington to Chicago O'Hare Intl Airport flights?

You could potentially save up to 1% on your flight if you consider stops on a State of Washington to Chicago O'Hare Intl Airport flight.

Cheap State of Washington to Chicago O'Hare Intl Airport flight deals and tips

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

Best Price Found	$155
Fastest flight time	3h 35m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from State of Washington in the past 72 hours is $155. The best round-trip flight deal from State of Washington to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $299.

The fastest flight from State of Washington to Chicago O'Hare Intl Airport takes 3h 35m

Direct flights go from State of Washington to Chicago O'Hare Intl Airport every day.

Search flight deals

When did momondo last update prices for flights from Washington to Chicago O'Hare Intl Airport?
Prices for flights from Washington to Chicago O'Hare Intl Airport are updated daily.
How many operators does momondo search for flights from Washington to Chicago O'Hare Intl Airport?
There are 8 operators available for flights from Washington to Chicago O'Hare Intl Airport as of October 2025.
How old do you have to be to fly from Washington 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 Washington to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from State of Washington to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from State of Washington to Chicago O'Hare Intl Airport is Boeing 737-800, representing 17.62% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 16.85%, Boeing 737-900 Passenger/BBJ3 (winglets) at 15.17%, and Airbus A321neo at 9.75%.

Best airlines flying from State of Washington to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from State of Washington to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $107	Free Cancellation	Rating 6.3 8,087 reviews	Search Spirit Airlines flights
Delta	PriceFrom $116	Free Cancellation	Rating 7.9 7,970 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $121	Free Cancellation	Rating 7.8 2,775 reviews	Search Hawaiian Airlines flights
Frontier	PriceFrom $137	Free Cancellation	Rating 5.8 3,143 reviews	Search Frontier flights
United Airlines	PriceFrom $169	Free Cancellation	Rating 7.4 8,966 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $173	Free Cancellation	Rating 8.0 11,049 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.2 11,043 reviews	Search American Airlines flights
Southwest	PriceFrom $194	Free Cancellation	Rating 8.0 4,236 reviews	Search Southwest flights

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Why use momondo?

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

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

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

momondo does allow users to show only those flights to Chicago from Washington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington to Chicago?

Once all potential Washington to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Washington to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Washington to Chicago from $60

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Chicago departing on 11/13. 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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Frontier flights from State of Washington to Chicago O'Hare Intl Airport

Our best Frontier deals on State of Washington to Chicago O'Hare Intl Airport flight tickets

Alaska Airlines flights from State of Washington to Chicago O'Hare Intl Airport

Our best Alaska Airlines deals on State of Washington to Chicago O'Hare Intl Airport flight tickets

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How to get the cheapest flight ticket from State of Washington 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 September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from State of Washington averaging around $268.

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 Washington to Chicago O'Hare Intl flight route?

Fly from Seattle/Tacoma Intl to Chicago O'Hare Intl for the best Washington - 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 Washington to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Washington 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 State of Washington to Chicago O'Hare Intl Airport flights?

You could potentially save up to 1% on your flight if you consider stops on a State of Washington to Chicago O'Hare Intl Airport flight.

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

Frontier, Southwest, and Alaska Airlines are the most popular carriers operating from Washington to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

How many flights depart from State of Washington to Chicago O'Hare Intl Airport on average per day?

The number of flights available between State of Washington and Chicago O'Hare Intl Airport is 81 per day as of October 2025. The most frequent departure time is 10:00AM, with 58% of daily flights leaving at noon.

How many flights depart from State of Washington to Chicago O'Hare Intl Airport on average per week?

The number of flights available between State of Washington and Chicago O'Hare Intl Airport is 569 per week as of October 2025. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.

How long does it take to fly to Chicago O'Hare Intl Airport?

Cheap State of Washington to Chicago O'Hare Intl Airport flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

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

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

How old do you have to be to fly from Washington 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 State of Washington to Chicago O'Hare Intl Airport?

Best airlines flying from State of Washington to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from State of Washington to Chicago O'Hare Intl Airport with momondo

Traveling to a place near Chicago?

Why use momondo?

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

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

How can momondo help me find flights from Washington to Chicago?

I’m not ready to book a flight from Washington 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

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