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Cheap flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Washington, D.C. departing on 1/13. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:11 am - 8:18 amORD-BWI
2h 07mnonstop
Frontier Logo
9:37 am - 10:55 amBWI-ORD
2h 18mnonstop
$96Frontier
Find Deal
Sun, Dec 7 - Tue, Dec 23
Frontier Logo
5:05 am - 5:47 pmORD-BWI
11h 42m1 stop
Frontier Logo
3:31 pm - 4:55 pmBWI-ORD
2h 24mnonstop
$98Frontier
Find Deal
Fri, Jan 9 - Sun, Jan 11
Frontier Logo
4:20 pm - 12:32 amORD-BWI
7h 12m1 stop
Frontier Logo
9:13 am - 10:31 amBWI-ORD
2h 18mnonstop
$101Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 7
Frontier Logo
4:20 pm - 12:32 amORD-BWI
7h 12m1 stop
Frontier Logo
9:13 am - 10:31 amBWI-ORD
2h 18mnonstop
$102Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 7
Frontier Logo
4:20 pm - 12:32 amORD-BWI
7h 12m1 stop
Frontier Logo
9:13 am - 10:31 amBWI-ORD
2h 18mnonstop
$103Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 7
Multiple Airlines Logo
10:18 am - 8:32 pmORD-BWI
9h 14m1 stop
Multiple Airlines Logo
8:58 am - 10:22 amBWI-ORD
2h 24mnonstop
$104Multiple Airlines
Find Deal
Wed, Feb 18 - Sun, Feb 22
Frontier Logo
12:29 pm - 7:50 pmORD-BWI
6h 21m1 stop
Frontier Logo
3:36 pm - 4:54 pmBWI-ORD
2h 18mnonstop
$105Frontier
Find Deal
Mon, Nov 24 - Mon, Dec 8
Frontier Logo
6:23 pm - 8:23 amORD-BWI
13h 00m1 stop
Frontier Logo
3:36 pm - 4:54 pmBWI-ORD
2h 18mnonstop
$106Frontier
Find Deal
Thu, Nov 27 - Mon, Dec 15
Frontier Logo
5:01 am - 8:01 amORD-BWI
2h 00mnonstop
Frontier Logo
8:58 am - 10:25 amBWI-ORD
2h 27mnonstop
$107Frontier
Find Deal
Fri, Jan 16 - Sun, Jan 18
Spirit Airlines Logo
10:18 am - 8:32 pmORD-BWI
9h 14m1 stop
Spirit Airlines Logo
3:31 pm - 9:23 pmBWI-ORD
6h 52m1 stop
$111Spirit Airlines
Find Deal
Fri, Feb 20 - Mon, Feb 23

Frontier flights from Chicago O'Hare Intl Airport to Baltimore

Our best Frontier deals on Chicago O'Hare Intl Airport 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
Jan 9
ORD5:05 amChicago O'Hare Intl
11h 42m
1 stop
BWI5:47 pmBaltimore/Washington
Jan 11
BWI3:31 pmBaltimore/Washington
2h 24m
ORD4:55 pmChicago O'Hare Intl
$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 O'Hare Intl Airport to Baltimore

Our best Spirit Airlines deals on Chicago O'Hare Intl Airport 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

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Baltimore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Baltimore that are best for you.

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

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

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

$102

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

$103

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

Mon 11/24

12:29 pm-7:50 pm

1 stop6h 21m

Baltimore/Washington

Mon 12/8

3:36 pm-4:54 pm

Nonstop2h 18m

$105

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 11/27

6:23 pm-8:23 am

1 stop13h 00m

Baltimore/Washington

Mon 12/15

3:36 pm-4:54 pm

Nonstop2h 18m

$106

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 1/16

5:01 am-8:01 am

Nonstop2h 00m

Baltimore/Washington

Sun 1/18

8:58 am-10:25 am

Nonstop2h 27m

$107

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

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 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 O'Hare Intl Airport to Baltimore during August average around $198.

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

The cheapest day to depart from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl to Baltimore/Washington flight route?

Fly from Chicago O'Hare Intl to Baltimore/Washington for the best Chicago O'Hare Intl - 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 O'Hare Intl Airport 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 O'Hare Intl Airport for as low as $178 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Baltimore flight prices changed over time?

As of November 2025, prices for Chicago O'Hare Intl Airport to Baltimore flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Baltimore

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

Cheap Chicago O'Hare Intl Airport to Baltimore (ORD to BWI) flight deals and tips

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

Best Price Found

$113

Fastest flight time

1h 53m

Direct flights

Every day

Airports in Baltimore

1 airport
The best one-way flight to Baltimore from Chicago O'Hare Intl Airport in the past 72 hours is $113. The best round-trip flight deal from Chicago O'Hare Intl Airport to Baltimore found on momondo in the last 72 hours is $147.
The fastest flight from Chicago O'Hare Intl Airport to Baltimore takes 1h 53m
Direct flights go from Chicago O'Hare Intl Airport to Baltimore every day.
There is 1 airport near Baltimore: Baltimore/Washington (BWI)
Search flight deals

  • How far is Chicago O'Hare Intl to Baltimore/Washington by plane?

    Chicago O'Hare Intl and Baltimore/Washington are 619.6 mi apart from one another. 1h 59m is a normal flight duration for this route.

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

    Prices for flights from Chicago O'Hare Intl Airport to Baltimore/Washington Airport are updated daily.

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

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Baltimore/Washington Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Baltimore/Washington Airport.

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

    The required travel and health documents for your Baltimore/Washington 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 Baltimore/Washington 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 Chicago O'Hare Intl Airport to Baltimore?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Baltimore?

Best airlines flying from Chicago O'Hare Intl Airport to Baltimore

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $45Free CancellationRating
6.3
8,115 reviews
Search Spirit Airlines flights
FrontierPriceFrom $63Free CancellationRating
5.8
3,117 reviews
Search Frontier flights
SouthwestPriceFrom $143Free CancellationRating
8.0
4,238 reviews
Search Southwest flights
United AirlinesPriceFrom $143Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights
American AirlinesPriceFrom $147Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights

  • United Airlines Flights From Chicago O'Hare Intl Airport to Baltimore

    United Airlines flight deals from Chicago O'Hare Intl Airport to Baltimore start from $143 round-trip. Over the 18 United Airlines flights for this route in a normal week, average airfare is usually $295 round-trip - but some users have found much cheaper deals with momondo.

  • American Airlines Flights From Chicago O'Hare Intl Airport to Baltimore

    $147 is the best American Airlines flight deal from Chicago O'Hare Intl Airport to Baltimore found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $282, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 11,038 user reviews) flies into Baltimore from Chicago O'Hare Intl Airport 15 times in an average week so prices can vary.

Why use momondo?

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

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

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

Price alerts on flights to Baltimore from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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