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$89+ Cheap flights from O'Hare Intl (ORD) to Baltimore (BWI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BWI
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Find cheap flights from O'Hare Intl to Baltimore with Cheapflights

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Baltimore/Washington are usually found in February or September, booked 88 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from O'Hare Intl to Baltimore

Cheapest flights from O'Hare Intl to Baltimore
Explore the most affordable flight options available from O'Hare Intl to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:45 pm
ORD
-
BWI
Nonstop2h 15m
United Airlines
Wed 9/26:05 am
BWI
-
ORD
Nonstop2h 21m
United Airlines
Deal found 7/27$177
This American Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:56 am
ORD
-
BWI
Nonstop2h 09m
American Airlines
Wed 9/166:01 am
BWI
-
ORD
Nonstop2h 29m
American Airlines
Deal found 7/26$178
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:46 pm
ORD
-
BWI
2 stops16h 43m
Frontier
Mon 9/1412:02 pm
BWI
-
ORD
Nonstop2h 24m
Frontier
Deal found 7/23$180
This Frontier deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:03 pm
ORD
-
BWI
Nonstop2h 10m
Frontier
Sun 8/239:32 pm
BWI
-
ORD
1 stop11h 21m
Frontier
Deal found 7/23$181
This Frontier deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 am
ORD
-
BWI
Nonstop2h 14m
Frontier
Sat 10/1711:09 am
BWI
-
ORD
Nonstop2h 23m
Frontier
Deal found 7/26$182
This Frontier deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:56 pm
ORD
-
BWI
Nonstop2h 12m
Frontier
Sun 9/201:29 pm
BWI
-
ORD
1 stop7h 06m
Frontier
Deal found 7/27$183
This Frontier deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am
ORD
-
BWI
Nonstop2h 14m
Frontier
Sun 10/2511:09 am
BWI
-
ORD
Nonstop2h 23m
Frontier
Deal found 7/26$184
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:59 pm
ORD
-
BWI
1 stop6h 57m
Frontier
Mon 9/1410:20 am
BWI
-
ORD
Nonstop2h 20m
Frontier
Deal found 7/27$185
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:59 pm
ORD
-
BWI
1 stop6h 57m
Frontier
Mon 9/76:37 pm
BWI
-
ORD
Nonstop2h 28m
Frontier
Deal found 7/24$186
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:25 pm
ORD
-
BWI
Nonstop2h 17m
Frontier
Wed 9/29:32 pm
BWI
-
ORD
1 stop11h 21m
Frontier
Deal found 7/24$187
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:25 pm
ORD
-
BWI
Nonstop2h 17m
Frontier
Sat 8/298:45 am
BWI
-
ORD
1 stop12h 23m
Frontier
Deal found 7/25$188

Find flight deals from O'Hare Intl to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Baltimore (BWI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$177
(United Airlines)

One-way from

$89
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$374
Provider with most accurate pricing for Chicago O'Hare Intl-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Baltimore/Washington flights.
Search Deals
From Chicago O'Hare Intl to Baltimore/Washington
Search Deals
One-way flight from Chicago O'Hare Intl to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2026.
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

Cheapest round-trip

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sat 10/10

1:23 pm-8:20 pm

1 stop5h 57m

Baltimore/Washington

Thu 10/15

10:21 am-2:28 pm

1 stop5h 07m

$197

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Mon 11/2

2:00 pm-9:35 pm

1 stop6h 35m

Baltimore/Washington

Thu 11/5

12:15 pm-4:29 pm

1 stop5h 14m

$197

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sat 8/29

6:59 am-11:32 am

1 stop3h 33m

Baltimore/Washington

Wed 9/2

5:00 pm-11:57 pm

1 stop7h 57m

$197

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Tue 10/13

7:10 am-11:52 am

1 stop3h 42m

Baltimore/Washington

Wed 10/14

2:11 pm-7:11 pm

1 stop6h 00m

$197

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 9/16

6:40 am-12:56 pm

1 stop5h 16m

Baltimore/Washington

Sat 9/19

5:40 pm-8:30 pm

1 stop3h 50m

$197

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Mon 11/23

6:45 am-12:56 pm

1 stop5h 11m

Baltimore/Washington

Tue 12/1

12:00 pm-4:24 pm

1 stop5h 24m

$197

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 9/9

7:05 am-11:45 am

1 stop3h 40m

Baltimore/Washington

Wed 9/16

12:30 pm-4:13 pm

1 stop4h 43m

$197

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 10/30

5:29 pm-11:04 pm

1 stop4h 35m

Baltimore/Washington

Mon 11/2

2:11 pm-7:11 pm

1 stop6h 00m

$202

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 9/17

5:10 pm-11:01 pm

1 stop4h 51m

Baltimore/Washington

Sat 9/19

6:10 am-10:37 am

1 stop5h 27m

$238

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 8/26

7:00 am-10:09 am

Nonstop2h 09m

Baltimore/Washington

Wed 9/2

10:25 am-11:45 am

Nonstop2h 20m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from O'Hare Intl to Baltimore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Baltimore in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Baltimore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Baltimore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Baltimore

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Baltimore?

The best time to book flights from Chicago O'Hare Intl Airport to Baltimore is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Baltimore?

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Baltimore (average of $139). Flying from Chicago O'Hare Intl Airport to Baltimore in July is currently the most expensive (average of $374). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to BWI?

Find hourly flight availability from O'Hare Intl to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2026.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Baltimore in the afternoon. Doing so could potentially save you 19% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Baltimore?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Baltimore. Price data was last updated on July 25, 2026.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Baltimore flight should consider departing on Friday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Baltimore?

Airfare is typical for this route at the moment.

Chicago O'Hare Intl Airport to Baltimore flights typically cost between $150 and $316 in August.
The cheapest round-trip price found within the last 5 days was $177 on United Airlines (Aug 20-Aug 24).

The best insider tips for Chicago O'Hare Intl Airport to Baltimore flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Baltimore trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Emily Zemler

Emily Zemler

Expert on BWI

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Baltimore. Reviews last updated July 28, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Chicago O'Hare Intl Airport to Baltimore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,229 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Southwest
8.0
Very good
4,229 reviews
Southwest
8.0
Very good
4,229 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
United Airlines
7.4
Good
10,046 reviews
Southwest
8.0
Very good
4,229 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
American Airlines
7.1
Good
11,841 reviews
Southwest
8.0
Very good
4,229 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Frontier
5.6
Fair
2,753 reviews
Southwest
8.0
Very good
4,229 reviews

Overall

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Baltimore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Baltimore from Chicago O'Hare Intl?

    If you book a flight to Baltimore from Chicago O'Hare Intl, you will be flying to Baltimore/Washington, which is the city’s only airport. Baltimore/Washington (BWI) is located 8.5 mi from the center of Baltimore. There are 17 flights from Chicago O'Hare Intl to Baltimore/Washington per day from 4 different airlines.

  • How long is the flight from Chicago O'Hare Intl Airport to Baltimore?

    Airlines like Delta fly from Chicago O'Hare Intl Airport to Baltimore in about 5h 57m. The time it takes to get you to your destination can typically vary by up to . Chicago O'Hare Intl Airport and Baltimore are separated by a distance of 620 mi.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Baltimore round-trip?

    Frontier, at $57, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Baltimore.Alternate airlines to your destination round-trip include United Airlines and Southwest. You may be able to fly from Chicago O'Hare Intl Airport to Baltimore for 77% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Baltimore one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $33. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Chicago O'Hare Intl Airport to Baltimore for a low price.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Baltimore?

    Consider Frontier (100%), Volaris (100%) or SkyWest Airlines (83%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Baltimore.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Baltimore?

    While on average a flight from Chicago O'Hare Intl Airport to Baltimore is generally $299, our data shows the cheapest flight currently is $54. When looking at the most popular route, (Chicago O'Hare Intl - Baltimore/Washington), you can expect to pay $92 for that flight.

  • Can I find deals for flights from O'Hare Intl to Baltimore that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Baltimore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Baltimore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Baltimore.

  • Can I find deals for business class flights from O'Hare Intl to Baltimore?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Baltimore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Baltimore?

    Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Baltimore (average of $139). Flying from Chicago O'Hare Intl Airport to Baltimore in July is currently the most expensive (average of $374). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from O'Hare Intl to Baltimore

Discover the top 4 airlines that operate flights from O'Hare Intl to Baltimore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$150FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$149Average$317FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$157Average$232FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$177Average$315FlexibilityNo cancel feeOn-time71%

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