What is the cheapest airline that flies from Chicago to Baltimore/Washington?

Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Chicago to Baltimore/Washington

What airlines fly to Baltimore?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Baltimore from Chicago according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 7 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

How many flights depart from Chicago to Baltimore on average per day?

As of November 2025, there are 13 flights per day flying from Chicago to Baltimore. The most common time of day flights depart is 8:00PM, with 42% of flights taking off in the evening.

How many flights depart from Chicago to Baltimore on average per week?

The number of flights available between Chicago and Baltimore is 97 per week as of November 2025. The most frequent departure day is Sun, with 28% of weekly flights leaving on this day.

When did momondo last update prices for flights from Chicago to Baltimore/Washington Airport?

Prices for flights from Chicago to Baltimore/Washington Airport refresh daily.

How many operators does momondo search for flights from Chicago to Baltimore/Washington Airport?

The number of operators available for flights from Chicago to Baltimore/Washington Airport is 5 as of November 2025.

How old do you have to be to fly from Chicago to Baltimore/Washington Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Baltimore/Washington Airport.

What documentation or ID do you need to fly to Baltimore/Washington Airport?

The necessary travel and health documents for your Baltimore/Washington Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$54 Cheap Flights from Chicago to Baltimore in 2025/26

Q: What is the typical price of a round-trip flight between Chicago and Baltimore?

Prices are currently low for flights on this route. Typical prices usually range from $158 to $329. The lowest price recently found on this route was $96.

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Find the cheapest flights from Chicago to Washington, D.C.

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Cheap round-trip flights

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5:11 am - 8:18 amORD-BWI

2h 07mnonstop

9:37 am - 10:55 amBWI-ORD

2h 18mnonstop

$96Frontier

Find Deal

Sun, Dec 7 - Tue, Dec 23

12:25 pm - 3:21 pmMDW-BWI

1h 56mnonstop

4:06 pm - 5:15 pmBWI-MDW

2h 09mnonstop

$98Frontier

Find Deal

Sat, Nov 22 - Mon, Nov 24

5:05 am - 5:47 pmORD-BWI

11h 42m1 stop

3:31 pm - 4:55 pmBWI-ORD

2h 24mnonstop

$98Frontier

Find Deal

Fri, Jan 9 - Sun, Jan 11

4:20 pm - 12:32 amORD-BWI

7h 12m1 stop

9:13 am - 10:31 amBWI-ORD

2h 18mnonstop

$101Frontier

Find Deal

Fri, Dec 5 - Sun, Dec 7

12:25 pm - 3:21 pmMDW-BWI

1h 56mnonstop

9:11 pm - 10:39 pmBWI-MDW

26h 28m1 stop

$102Frontier

Find Deal

Mon, Nov 24 - Thu, Dec 11

10:18 am - 8:32 pmORD-BWI

9h 14m1 stop

8:58 am - 10:22 amBWI-ORD

2h 24mnonstop

$104Multiple Airlines

Find Deal

Wed, Feb 18 - Sun, Feb 22

10:18 am - 8:32 pmORD-BWI

9h 14m1 stop

3:31 pm - 9:23 pmBWI-ORD

6h 52m1 stop

$111Spirit Airlines

Find Deal

Fri, Feb 20 - Mon, Feb 23

5:01 am - 8:03 amORD-BWI

2h 02mnonstop

5:44 pm - 7:01 pmBWI-ORD

2h 17mnonstop

$115Multiple Airlines

Find Deal

Fri, Feb 20 - Sun, Feb 22

7:05 pm - 9:55 pmMDW-BWI

1h 50mnonstop

7:40 am - 9:00 amBWI-MDW

2h 20mnonstop

$148Southwest

Find Deal

Fri, Jan 16 - Mon, Jan 19

6:35 am - 1:55 pmMDW-BWI

6h 20m1 stop

7:45 am - 9:05 amBWI-MDW

2h 20mnonstop

$149Southwest

Find Deal

Thu, Jan 1 - Thu, Jan 8

Frontier flights from Chicago to Baltimore

Our best Frontier deals on Chicago to Baltimore flight tickets

Frontier

Dec 7

ORD5:11 amChicago O'Hare Intl

2h 07m

BWI8:18 amBaltimore/Washington

Dec 23

BWI9:37 amBaltimore/Washington

2h 18m

ORD10:55 amChicago O'Hare Intl

$96

Find similar

Frontier

Nov 22

MDW12:25 pmChicago Midway

1h 56m

BWI3:21 pmBaltimore/Washington

Nov 24

BWI4:06 pmBaltimore/Washington

2h 09m

MDW5:15 pmChicago Midway

$98

Find similar

Frontier

Dec 5

ORD4:20 pmChicago O'Hare Intl

7h 12m

1 stop

BWI12:32 amBaltimore/Washington

Dec 7

BWI9:13 amBaltimore/Washington

2h 18m

ORD10:31 amChicago O'Hare Intl

$101

Find similar

Spirit Airlines flights from Chicago to Baltimore

Our best Spirit Airlines deals on Chicago to Baltimore flight tickets

Spirit Airlines

Feb 20

ORD10:18 amChicago O'Hare Intl

9h 14m

1 stop

BWI8:32 pmBaltimore/Washington

Feb 23

BWI3:31 pmBaltimore/Washington

6h 52m

1 stop

ORD9:23 pmChicago O'Hare Intl

$111

Find similar

Spirit Airlines

Nov 13

ORD6:48 amChicago O'Hare Intl

9h 31m

1 stop

BWI5:19 pmBaltimore/Washington

Nov 15

BWI4:52 pmBaltimore/Washington

7h 14m

1 stop

ORD11:06 pmChicago O'Hare Intl

$161

Find similar

Spirit Airlines

Nov 8

ORD3:26 pmChicago O'Hare Intl

7h 45m

1 stop

BWI12:11 amBaltimore/Washington

Nov 10

BWI4:52 pmBaltimore/Washington

7h 14m

1 stop

ORD11:06 pmChicago O'Hare Intl

$162

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sun 12/7

5:11 am-8:18 am

Nonstop2h 07m

Baltimore/Washington

Tue 12/23

9:37 am-10:55 am

Nonstop2h 18m

$96

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Sat 11/22

12:25 pm-3:21 pm

Nonstop1h 56m

Baltimore/Washington

Mon 11/24

4:06 pm-5:15 pm

Nonstop2h 09m

$98

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 1/9

5:05 am-5:47 pm

1 stop11h 42m

Baltimore/Washington

Sun 1/11

3:31 pm-4:55 pm

Nonstop2h 24m

$98

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 12/5

4:20 pm-12:32 am

1 stop7h 12m

Baltimore/Washington

Sun 12/7

9:13 am-10:31 am

Nonstop2h 18m

$101

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Mon 11/24

12:25 pm-3:21 pm

Nonstop1h 56m

Baltimore/Washington

Thu 12/11

9:11 pm-10:39 pm

1 stop26h 28m

$102

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 2/18

10:18 am-8:32 pm

1 stop9h 14m

Baltimore/Washington

Sun 2/22

8:58 am-10:22 am

Nonstop2h 24m

$104

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 2/20

10:18 am-8:32 pm

1 stop9h 14m

Baltimore/Washington

Mon 2/23

3:31 pm-9:23 pm

1 stop6h 52m

$111

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 2/20

5:01 am-8:03 am

Nonstop2h 02m

Baltimore/Washington

Sun 2/22

5:44 pm-7:01 pm

Nonstop2h 17m

$115

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Fri 1/16

7:05 pm-9:55 pm

Nonstop1h 50m

Baltimore/Washington

Mon 1/19

7:40 am-9:00 am

Nonstop2h 20m

$148

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Thu 1/1

6:35 am-1:55 pm

1 stop6h 20m

Baltimore/Washington

Thu 1/8

7:45 am-9:05 am

Nonstop2h 20m

$149

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How to get the cheapest flight ticket from Chicago to Baltimore

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 typical price of a round-trip flight between Chicago and Baltimore?

What is the cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in September, then August is your next best option. Flight prices from Chicago to Baltimore during August average around $187.

What is the cheapest day to depart on your flight to Baltimore?

The cheapest day to depart from Chicago to Baltimore is on a Friday. Travelers who choose to depart for Baltimore on a Friday will often find tickets for as low as $205. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $332. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

What is the cheapest time of day to depart on your flight to Baltimore?

Flying to Baltimore from Chicago at noon is the least expensive time of day to depart. momondo users have found prices as low as $214 when looking at flights departing at noon. Flights in the evening are often more expensive with an average ticket price of $293.

What is the cheapest Chicago to Baltimore/Washington flight route?

Fly from Chicago Midway to Baltimore/Washington for the best Chicago - Baltimore/Washington flight prices

How far in advance should I book a flight to Baltimore?

You are more likely to see cheaper flights to Baltimore from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $253 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Chicago for as low as $178 on momondo.

What cabin class options are available on Chicago to Baltimore/Washington flights?

There are 4 cabin classes available to choose from on Chicago to Baltimore/Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago to Baltimore flight prices changed over time?

As of November 2025, prices for Chicago to Baltimore flights are approximately 37% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Baltimore according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Baltimore (CHI to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Baltimore

Best Price Found	$85
Fastest flight time	1h 45m
Direct flights	Every day
Airports in Baltimore	1 airport

The best one-way flight to Baltimore from Chicago in the past 72 hours is $85. The best round-trip flight deal from Chicago to Baltimore found on momondo in the last 72 hours is $147.

The fastest flight from Chicago to Baltimore takes 1h 45m

Direct flights go from Chicago to Baltimore every day.

There is 1 airport near Baltimore: Baltimore/Washington (BWI)

Search flight deals

How far is Chicago to Baltimore/Washington by plane?
A flight from Chicago to Baltimore/Washington will travel around 604.1 mi. Typically, this will take 1h 50m by plane in normal conditions.
When did momondo last update prices for flights from Chicago to Baltimore/Washington Airport?
Prices for flights from Chicago to Baltimore/Washington Airport refresh daily.
How many operators does momondo search for flights from Chicago to Baltimore/Washington Airport?
The number of operators available for flights from Chicago to Baltimore/Washington Airport is 5 as of November 2025.
How old do you have to be to fly from Chicago to Baltimore/Washington Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Baltimore/Washington Airport.
What documentation or ID do you need to fly to Baltimore/Washington Airport?
The necessary travel and health documents for your Baltimore/Washington Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago to Baltimore?
Based on momondo bookings for flights between Chicago and Baltimore, the leading plane model is Airbus A320neo, making up 10.84% of the total bookings. Other popular models include Boeing 737-900 with 10.17%, Airbus A319 with 9.19%, and Airbus A320-100/200 with 9.18%.
What is the most popular airline from Chicago to Baltimore?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to Baltimore is Frontier (41% of total bookings). The next most popular airlines are Southwest (32%), United Airlines (18%), and American Airlines (7%).

Best airlines flying from Chicago to Baltimore

Compare and see reviews for airlines that fly from Chicago to Baltimore with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $45	Free Cancellation	Rating 6.3 8,115 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $63	Free Cancellation	Rating 5.8 3,117 reviews	Search Frontier flights
Southwest	PriceFrom $143	Free Cancellation	Rating 8.0 4,238 reviews	Search Southwest flights
United Airlines	PriceFrom $143	Free Cancellation	Rating 7.4 8,997 reviews	Search United Airlines flights
American Airlines	PriceFrom $147	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights

Southwest Flights From Chicago to Baltimore
Southwest is one of the most popular airlines flying from Chicago to Baltimore, operating 28 flights/week on average for this route. A good Southwest flight deal for Chicago to Baltimore starts from $143 round-trip, up to an average price of $275. Our users have rated Southwest at 8.0/10.
United Airlines Flights From Chicago to Baltimore
Across 8,997 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Baltimore about 18 times each week, with ticket deals ranging from $143 to $295. Price data is based on momondo searches in the last 72 hours.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Baltimore from Chicago.

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

Flights from Chicago to Baltimore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Baltimore from Chicago.

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

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

An easier way to manage your Baltimore 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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Cheap flights from Chicago to Washington, D.C. from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Washington, D.C. departing on 1/7. 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 Chicago to Baltimore

Our best Frontier deals on Chicago to Baltimore flight tickets

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Our best Spirit Airlines deals on Chicago to Baltimore flight tickets

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Chicago to Baltimore

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 typical price of a round-trip flight between Chicago and Baltimore?

What is the cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in September, then August is your next best option. Flight prices from Chicago to Baltimore during August average around $187.

What is the cheapest day to depart on your flight to Baltimore?

What is the cheapest time of day to depart on your flight to Baltimore?

Flying to Baltimore from Chicago at noon is the least expensive time of day to depart. momondo users have found prices as low as $214 when looking at flights departing at noon. Flights in the evening are often more expensive with an average ticket price of $293.

What is the cheapest Chicago to Baltimore/Washington flight route?

Fly from Chicago Midway to Baltimore/Washington for the best Chicago - Baltimore/Washington flight prices

How far in advance should I book a flight to Baltimore?

What cabin class options are available on Chicago to Baltimore/Washington flights?

There are 4 cabin classes available to choose from on Chicago to Baltimore/Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago to Baltimore flight prices changed over time?

As of November 2025, prices for Chicago to Baltimore flights are approximately 37% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Chicago to Baltimore/Washington?

Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Chicago to Baltimore/Washington

What airlines fly to Baltimore?

How many flights depart from Chicago to Baltimore on average per day?

As of November 2025, there are 13 flights per day flying from Chicago to Baltimore. The most common time of day flights depart is 8:00PM, with 42% of flights taking off in the evening.

How many flights depart from Chicago to Baltimore on average per week?

The number of flights available between Chicago and Baltimore is 97 per week as of November 2025. The most frequent departure day is Sun, with 28% of weekly flights leaving on this day.

When to book flights from Chicago to Baltimore

Cheap Chicago to Baltimore (CHI to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Baltimore

Best Price Found

Fastest flight time

Direct flights

Airports in Baltimore

How far is Chicago to Baltimore/Washington by plane?

When did momondo last update prices for flights from Chicago to Baltimore/Washington Airport?

How many operators does momondo search for flights from Chicago to Baltimore/Washington Airport?

How old do you have to be to fly from Chicago to Baltimore/Washington Airport?

What documentation or ID do you need to fly to Baltimore/Washington Airport?

What is the most popular plane model from Chicago to Baltimore?

What is the most popular airline from Chicago to Baltimore?

Best airlines flying from Chicago to Baltimore

Compare and see reviews for airlines that fly from Chicago to Baltimore with momondo

Southwest Flights From Chicago to Baltimore

United Airlines Flights From Chicago to Baltimore

Why use momondo?

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

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

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

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

An easier way to manage your Baltimore 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 the United States

Airports servicing Maryland