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O'Hare Intl

$63+ Cheap flights from Baltimore (BWI) to O'Hare Intl (ORD)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ORD
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Baltimore/Washington to Chicago O'Hare Intl are usually found in January or August, booked 73 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Baltimore to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to O'Hare Intl (ORD). 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$124
(Mytrip)

One-way from

$63
(Mytrip)

Popular in

March

Cheapest in

January

Average price

$371
Provider with most accurate pricing for Baltimore/Washington-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Chicago O'Hare Intl flights.
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From Baltimore/Washington to Chicago O'Hare Intl
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One-way flight from Baltimore/Washington to Chicago O'Hare Intl
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Highest demand for flights based on searches. 10% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Baltimore to O'Hare Intl

Cheapest flights from Baltimore to O'Hare Intl
Explore the most affordable flight options available from Baltimore to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This Mytrip deal was found by Cheapflights users on 3/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:20 amBWI - ORD
1 stop27h 35mSpirit Airlines
Mon 5/1211:00 amORD - BWI
1 stop23h 04mSpirit Airlines
Deal found 3/23$124
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:15 amBWI - ORD
Nonstop2h 17mUnited Airlines
Tue 4/2911:20 amORD - BWI
Nonstop1h 58mUnited Airlines
Deal found 3/23$157
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/610:35 amBWI - ORD
Nonstop2h 15mSouthwest
Thu 5/81:50 pmORD - BWI
Nonstop1h 55mSouthwest
Deal found 3/24$168
This Delta deal was found by Cheapflights users on 3/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:00 amBWI - ORD
1 stop4h 51mDelta
Sat 6/79:45 amORD - BWI
1 stop6h 45mDelta
Deal found 3/23$197
This Booking.com deal was found by Cheapflights users on 3/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/149:32 pmBWI - ORD
1 stop12h 52mMultiple Airlines
Thu 4/177:10 pmORD - BWI
1 stop13h 53mMultiple Airlines
Deal found 3/24$199
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/245:00 amBWI - ORD
1 stop4h 49mAmerican Airlines
Wed 4/306:45 pmORD - BWI
Nonstop2h 04mAmerican Airlines
Deal found 3/24$211
This Frontier deal was found by Cheapflights users on 3/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/86:00 amBWI - ORD
1 stop11h 51mFrontier
Sat 4/127:20 amORD - BWI
1 stop7h 48mFrontier
Deal found 3/24$240
This Sun Country Air deal was found by Cheapflights users on 3/24. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1212:25 pmBWI - ORD
1 stop7h 46mSun Country Air
Mon 6/236:17 pmORD - BWI
1 stop16h 06mSun Country Air
Deal found 3/24$280

Cheapflights Fare Finder

Customize your flight search to find flights from Baltimore to O'Hare Intl 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 March 25, 2025.
Use the filters below to find and compare flights from Baltimore to Chicago O'Hare Intl Airport that are best for you.

Fly from

Baltimore

Fly to

O'Hare Intl

Route

Depart

Return

Price

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 5/8

6:20 am-8:55 am

1 stop27h 35m

Chicago O'Hare Intl

Mon 5/12

11:00 am-11:04 am

1 stop23h 04m

$124

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 4/22

6:15 am-7:32 am

Nonstop2h 17m

Chicago O'Hare Intl

Tue 4/29

11:20 am-2:18 pm

Nonstop1h 58m

$157

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 5/6

10:35 am-11:50 am

Nonstop2h 15m

Chicago O'Hare Intl

Thu 5/8

1:50 pm-4:45 pm

Nonstop1h 55m

$168

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 6/3

6:18 pm-11:58 pm

1 stop6h 40m

Chicago O'Hare Intl

Tue 6/10

9:50 am-3:40 pm

1 stop4h 50m

$197

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Mon 4/14

9:32 pm-9:24 am

1 stop12h 52m

Chicago O'Hare Intl

Thu 4/17

7:10 pm-10:03 am

1 stop13h 53m

$199

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 4/24

5:00 am-8:49 am

1 stop4h 49m

Chicago O'Hare Intl

Wed 4/30

6:45 pm-9:49 pm

Nonstop2h 04m

$211

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 4/8

6:00 am-4:51 pm

1 stop11h 51m

Chicago O'Hare Intl

Sat 4/12

7:20 am-4:08 pm

1 stop7h 48m

$240

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 5/22

12:20 pm-5:21 pm

1 stop6h 01m

Chicago O'Hare Intl

Sun 6/1

8:05 pm-11:30 am

1 stop14h 25m

$275

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Wed 5/14

12:20 pm-8:55 am

1 stop21h 35m

$63

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Wed 4/23

6:15 am-7:32 am

Nonstop2h 17m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 16 results
1
2

Compare providers for flights from Baltimore to O'Hare Intl

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 Baltimore to O'Hare Intl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
FareScanPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice 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 Baltimore-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Chicago O'Hare Intl Airport 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 Baltimore-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to Chicago O'Hare Intl Airport trip
Airports
BWI

For a stress-free departure, arrive 20-30 minutes early during busy weekday hours (6-8 a.m., 3-7 p.m.) to navigate security smoothly.

Read more about BWIby Emily Zemler
ORD

To reach downtown Chicago efficiently, consider taking the 'L' train from ORD, avoiding potential traffic delays with taxis or rideshares.

Read more about ORDby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

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 Zemler

Emily Zemler

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

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

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Baltimore 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 Baltimore to Chicago O'Hare Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to O'Hare Intl. Price data was last updated on March 21, 2025.

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Baltimore to Chicago O'Hare Intl Airport (average of $245). Flying from Baltimore to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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 BWI to ORD?

Find hourly flight availability from Baltimore to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

One of the essential ways to save on airfare from Baltimore to Chicago O'Hare Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 51% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Baltimore to O'Hare Intl. Price data was last updated on March 23, 2025.

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

Weekly flight availability from Baltimore to Chicago O'Hare Intl Airport

Explore weekly flight availability from Baltimore to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 25, 2025.

The most flights from BWI to ORD are scheduled on a Monday (20 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated March 25, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from Baltimore to Chicago have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,890 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,605 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Sun Country Air
6.9
Okay
348 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to O'Hare Intl. 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 from for flights from Baltimore to Chicago O'Hare Intl?

    If you book a flight to Chicago O'Hare Intl from Baltimore, you will be flying from Baltimore/Washington, which is the city’s only airport. Baltimore/Washington (BWI) is located 8.5 mi from the center of Baltimore. There are 16 flights from Baltimore/Washington to Chicago O'Hare Intl per day from 6 different airlines.

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

    Cheapflights users have booked flights from Baltimore to Chicago O'Hare Intl Airport round-trip from $124. Other airlines that can offer you cheap pricing are United Airlines, from $157, and Southwest, from $168. Spirit Airlines is currently priced 56% below the average price you’ll pay for this route.

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

    $63 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $79 and $88, respectively.

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

    The top 3 most reliable airlines when flying from Baltimore to Chicago O'Hare Intl Airport are ANA (99%), Air New Zealand (89%) and Republic Airways (87%).

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

    Looking for the cheapest flight from Baltimore to Chicago O'Hare Intl Airport? While on average our users pay $1,455, our data indicates the cheapest price to be $108. The most popular route (Baltimore/Washington - Chicago O'Hare Intl), is priced around $136.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Baltimore to O'Hare Intl 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 Baltimore to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Baltimore to Chicago O'Hare Intl Airport (average of $245). Flying from Baltimore to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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

Traveling to a place near Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
Rosemont
Beloit
Naperville
Schaumburg
Racine
Hoffman Estates
Rockford
Tinley Park
Skokie
Kenosha
Arlington Heights
Joliet
Orland Park
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New Buffalo
Elgin
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Lake Geneva

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Top 6 airlines flying from Baltimore to O'Hare Intl

Discover the top 6 airlines that operate flights from Baltimore to O'Hare Intl. 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$59Average$197FlexibilityNo cancel feeOn-time65%
FrontierCheapest$70Average$174FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$137Average$266FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$151Average$308FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$160Average$284FlexibilityNo cancel feeOn-time63%
DeltaCheapest$186Average$242FlexibilityNo cancel feeOn-timeN/A
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