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Cheap flights from Chicago to Washington, D.C. from $40

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 9/28. 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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0 bags

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Cheap round-trip flights

Frontier Logo
6:11 pm - 9:14 pmORD-BWI
2h 03mnonstop
Frontier Logo
9:59 pm - 11:20 pmBWI-ORD
2h 21mnonstop
$73Frontier
Find Deal
Thu, Sep 11 - Mon, Sep 15
Spirit Airlines Logo
6:10 am - 9:02 amORD-BWI
1h 52mnonstop
Spirit Airlines Logo
9:57 am - 11:10 amBWI-ORD
2h 13mnonstop
$82Spirit Airlines
Find Deal
Thu, Sep 11 - Sun, Sep 14
Frontier Logo
1:15 pm - 4:21 pmORD-BWI
2h 06mnonstop
Frontier Logo
5:06 pm - 6:28 pmBWI-ORD
2h 22mnonstop
$83Frontier
Find Deal
Thu, Aug 28 - Mon, Sep 1
Frontier Logo
2:48 pm - 5:46 pmMDW-BWI
1h 58mnonstop
Frontier Logo
6:31 pm - 7:36 pmBWI-MDW
2h 05mnonstop
$85Frontier
Find Deal
Wed, Aug 6 - Wed, Aug 13
 Logo
4:37 pm - 7:31 pmORD-BWI
1h 54mnonstop
 Logo
11:36 am - 12:58 pmBWI-ORD
2h 22mnonstop
Thu, Jul 31 - Mon, Aug 4
 Logo
1:15 pm - 4:21 pmORD-BWI
2h 06mnonstop
 Logo
9:57 am - 11:10 amBWI-ORD
2h 13mnonstop
Fri, Aug 22 - Thu, Sep 4
United Airlines Logo
7:00 am - 9:55 amORD-BWI
1h 55mnonstop
United Airlines Logo
6:15 am - 7:30 amBWI-ORD
2h 15mnonstop
$117United Airlines
Find Deal
Tue, Aug 19 - Wed, Aug 27
Southwest Logo
6:50 pm - 9:40 pmMDW-BWI
1h 50mnonstop
Southwest Logo
1:25 pm - 2:20 pmBWI-MDW
1h 55mnonstop
$118Southwest
Find Deal
Tue, Aug 5 - Tue, Aug 12
Southwest Logo
7:15 am - 10:05 amMDW-BWI
1h 50mnonstop
Southwest Logo
6:40 am - 7:40 amBWI-MDW
2h 00mnonstop
$122Southwest
Find Deal
Fri, Aug 29 - Tue, Sep 2
United Airlines Logo
7:00 am - 10:03 amORD-BWI
2h 03mnonstop
United Airlines Logo
6:15 am - 7:30 amBWI-ORD
2h 15mnonstop
$122United Airlines
Find Deal
Wed, Aug 6 - Sun, Aug 10

Frontier flights from Chicago to Baltimore

Our best Frontier deals on Chicago to Baltimore flight tickets
Frontier
Sep 11
ORD6:11 pmChicago O'Hare Intl
2h 03m
BWI9:14 pmBaltimore/Washington
Sep 15
BWI9:59 pmBaltimore/Washington
2h 21m
ORD11:20 pmChicago O'Hare Intl
Frontier
Aug 28
ORD1:15 pmChicago O'Hare Intl
2h 06m
BWI4:21 pmBaltimore/Washington
Sep 1
BWI5:06 pmBaltimore/Washington
2h 22m
ORD6:28 pmChicago O'Hare Intl
Frontier
Aug 6
MDW2:48 pmChicago Midway
1h 58m
BWI5:46 pmBaltimore/Washington
Aug 13
BWI6:31 pmBaltimore/Washington
2h 05m
MDW7:36 pmChicago Midway

Southwest flights from Chicago to Baltimore

Our best Southwest deals on Chicago to Baltimore flight tickets
Southwest
Aug 5
MDW6:50 pmChicago Midway
1h 50m
BWI9:40 pmBaltimore/Washington
Aug 12
BWI1:25 pmBaltimore/Washington
1h 55m
MDW2:20 pmChicago Midway
Southwest
Aug 29
MDW7:15 amChicago Midway
1h 50m
BWI10:05 amBaltimore/Washington
Sep 2
BWI6:40 amBaltimore/Washington
2h 00m
MDW7:40 amChicago Midway
Southwest
Aug 11
MDW5:10 amChicago Midway
1h 45m
BWI7:55 amBaltimore/Washington
Aug 12
BWI7:25 pmBaltimore/Washington
2h 00m
MDW8:25 pmChicago Midway

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 August, then July is your next best option. Flight prices from Chicago to Baltimore during July average around $185.

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

The cheapest day to depart from Chicago to Baltimore is on a Wednesday. Travelers who choose to depart for Baltimore on a Wednesday will often find tickets for as low as $228. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $351. 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 $222 when looking at flights departing at noon. Flights in the evening are often more expensive with an average ticket price of $283.

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

Fly from Chicago O'Hare Intl 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 $277 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 $200 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 July 2025, prices for Chicago to Baltimore flights are approximately 54% 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

$40

Fastest flight time

1h 45m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Baltimore

1 airport
The best one-way flight to Baltimore from Chicago in the past 72 hours is $40. The best round-trip flight deal from Chicago to Baltimore found on momondo in the last 72 hours is $73.
The fastest flight from Chicago to Baltimore takes 1h 45m
Direct flights go from Chicago to Baltimore on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Southwest and Spirit Airlines.
There is 1 airport near Baltimore: Baltimore/Washington (BWI)

  • 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 45m 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $46Free CancellationRating
6.3
8,064 reviews
Search Spirit Airlines flights
FrontierPriceFrom $59Free CancellationRating
5.9
3,273 reviews
Search Frontier flights
SouthwestPriceFrom $139Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
American AirlinesPriceFrom $148Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $150Free CancellationRating
7.4
8,843 reviews
Search United Airlines flights
  • Southwest Flights From Chicago to Baltimore

    Southwest is one of the most popular airlines flying from Chicago to Baltimore, operating 58 flights/week on average for this route. A good Southwest flight deal for Chicago to Baltimore starts from $139 round-trip, up to an average price of $274. Our users have rated Southwest at 8.0/10.

  • United Airlines Flights From Chicago to Baltimore

    Across 8,843 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Baltimore about 21 times each week, with ticket deals ranging from $150 to $288. 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.


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