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Cheap flights from Chicago O'Hare Intl Airport to Washington, D.C. from $35

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 8/18. 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

Frontier Logo
7:10 pm - 10:13 pmORD-BWI
2h 03mnonstop
Frontier Logo
10:58 pm - 12:14 amBWI-ORD
2h 16mnonstop
$59Frontier
Find Deal
sex, out 17 - seg, out 20
Spirit Airlines Logo
6:20 am - 9:09 amORD-BWI
1h 49mnonstop
Spirit Airlines Logo
10:04 am - 11:10 amBWI-ORD
2h 06mnonstop
$69Spirit Airlines
Find Deal
qui, ago 28 - dom, ago 31
Frontier Logo
1:15 pm - 4:21 pmORD-BWI
2h 06mnonstop
Frontier Logo
5:06 pm - 6:28 pmBWI-ORD
2h 22mnonstop
$71Frontier
Find Deal
qui, ago 21 - seg, ago 25
Frontier Logo
1:15 pm - 4:21 pmORD-BWI
2h 06mnonstop
Frontier Logo
5:06 pm - 6:28 pmBWI-ORD
2h 22mnonstop
$74Frontier
Find Deal
qui, ago 21 - seg, ago 25
Spirit Airlines Logo
6:10 am - 9:02 amORD-BWI
1h 52mnonstop
Spirit Airlines Logo
9:57 am - 11:10 amBWI-ORD
2h 13mnonstop
$77Spirit Airlines
Find Deal
qui, out 23 - seg, out 27
Spirit Airlines Logo
6:10 am - 9:02 amORD-BWI
1h 52mnonstop
Spirit Airlines Logo
9:57 am - 11:10 amBWI-ORD
2h 13mnonstop
$78Spirit Airlines
Find Deal
seg, out 27 - qui, out 30
Spirit Airlines Logo
6:10 am - 9:02 amORD-BWI
1h 52mnonstop
Spirit Airlines Logo
9:57 am - 11:10 amBWI-ORD
2h 13mnonstop
$79Spirit Airlines
Find Deal
qui, set 18 - dom, set 21
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
qui, set 11 - qui, set 18
Spirit Airlines Logo
6:10 am - 9:02 amORD-BWI
1h 52mnonstop
Spirit Airlines Logo
9:57 am - 11:10 amBWI-ORD
2h 13mnonstop
$84Spirit Airlines
Find Deal
qui, set 11 - dom, set 14
Logo
1:15 pm - 4:21 pmORD-BWI
2h 06mnonstop
Logo
10:04 am - 11:10 amBWI-ORD
2h 06mnonstop
$96
Find Deal
qui, ago 21 - dom, ago 24

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
Oct 17
ORD7:10 pmChicago O'Hare Intl
2h 03m
BWI10:13 pmBaltimore/Washington
Oct 20
BWI10:58 pmBaltimore/Washington
2h 16m
ORD12:14 amChicago O'Hare Intl
$59
Find similar
Frontier
Aug 21
ORD1:15 pmChicago O'Hare Intl
2h 06m
BWI4:21 pmBaltimore/Washington
Aug 25
BWI5:06 pmBaltimore/Washington
2h 22m
ORD6:28 pmChicago O'Hare Intl
$71
Find similar
Frontier
Aug 21
ORD1:15 pmChicago O'Hare Intl
2h 06m
BWI4:21 pmBaltimore/Washington
Aug 25
BWI5:06 pmBaltimore/Washington
2h 22m
ORD6:28 pmChicago O'Hare Intl
$74
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
Aug 28
ORD6:20 amChicago O'Hare Intl
1h 49m
BWI9:09 amBaltimore/Washington
Aug 31
BWI10:04 amBaltimore/Washington
2h 06m
ORD11:10 amChicago O'Hare Intl
$69
Find similar
Spirit Airlines
Oct 23
ORD6:10 amChicago O'Hare Intl
1h 52m
BWI9:02 amBaltimore/Washington
Oct 27
BWI9:57 amBaltimore/Washington
2h 13m
ORD11:10 amChicago O'Hare Intl
$77
Find similar
Spirit Airlines
Oct 27
ORD6:10 amChicago O'Hare Intl
1h 52m
BWI9:02 amBaltimore/Washington
Oct 30
BWI9:57 amBaltimore/Washington
2h 13m
ORD11:10 amChicago O'Hare Intl
$78
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 julho 29, 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

sex 10/17

7:10 pm-10:13 pm

Nonstop2h 03m

Baltimore/Washington

seg 10/20

10:58 pm-12:14 am

Nonstop2h 16m

$59

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

qui 8/28

6:20 am-9:09 am

Nonstop1h 49m

Baltimore/Washington

dom 8/31

10:04 am-11:10 am

Nonstop2h 06m

$69

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

qui 8/21

1:15 pm-4:21 pm

Nonstop2h 06m

Baltimore/Washington

seg 8/25

5:06 pm-6:28 pm

Nonstop2h 22m

$71

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

qui 8/21

1:15 pm-4:21 pm

Nonstop2h 06m

Baltimore/Washington

seg 8/25

5:06 pm-6:28 pm

Nonstop2h 22m

$74

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

qui 10/23

6:10 am-9:02 am

Nonstop1h 52m

Baltimore/Washington

seg 10/27

9:57 am-11:10 am

Nonstop2h 13m

$77

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

seg 10/27

6:10 am-9:02 am

Nonstop1h 52m

Baltimore/Washington

qui 10/30

9:57 am-11:10 am

Nonstop2h 13m

$78

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

qui 9/18

6:10 am-9:02 am

Nonstop1h 52m

Baltimore/Washington

dom 9/21

9:57 am-11:10 am

Nonstop2h 13m

$79

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

qui 9/11

6:10 am-9:02 am

Nonstop1h 52m

Baltimore/Washington

qui 9/18

9:57 am-11:10 am

Nonstop2h 13m

$82

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

qui 9/11

6:10 am-9:02 am

Nonstop1h 52m

Baltimore/Washington

dom 9/14

9:57 am-11:10 am

Nonstop2h 13m

$84

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

qui 8/21

1:15 pm-4:21 pm

Nonstop2h 06m

Baltimore/Washington

dom 8/24

10:04 am-11:10 am

Nonstop2h 06m

$96

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 July is your next best option. Flight prices from Chicago O'Hare Intl Airport to Baltimore during July average around $234.

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 Wednesday. Travelers who choose to depart for Baltimore on a Wednesday will often find tickets for as low as $235. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $344. 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 $218 when looking at flights departing at noon. Flights in the afternoon are often more expensive with an average ticket price of $289.

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 $273 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 $214 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 July 2025, prices for Chicago O'Hare Intl Airport to Baltimore flights are approximately 44% 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

$35

Fastest flight time

1h 49m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Baltimore

1 airport
The best one-way flight to Baltimore from Chicago O'Hare Intl Airport in the past 72 hours is $35. The best round-trip flight deal from Chicago O'Hare Intl Airport to Baltimore found on momondo in the last 72 hours is $59.
The fastest flight from Chicago O'Hare Intl Airport to Baltimore takes 1h 49m
Direct flights go from Chicago O'Hare Intl Airport to Baltimore on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: United Airlines, Spirit Airlines and Frontier.
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 49m 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 $42Free CancellationRating
6.3
8,040 reviews
Search Spirit Airlines flights
FrontierPriceFrom $91Free CancellationRating
5.9
3,238 reviews
Search Frontier flights
American AirlinesPriceFrom $127Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $140Free CancellationRating
8.0
4,238 reviews
Search Southwest flights
United AirlinesPriceFrom $153Free CancellationRating
7.4
8,896 reviews
Search United Airlines flights

  • Southwest Flights From Chicago O'Hare Intl Airport to Baltimore

    Southwest flight deals from Chicago O'Hare Intl Airport to Baltimore start from $140 round-trip. Over the 7 Southwest flights for this route in a normal week, average airfare is usually $264 round-trip - but some users have found much cheaper deals with momondo.

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

    $153 is the best United Airlines flight deal from Chicago O'Hare Intl Airport to Baltimore found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $292, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,899 user reviews) flies into Baltimore from Chicago O'Hare Intl Airport 22 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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dom 8/3
dom 8/10
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