HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Baltimore

$66+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BWI
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Baltimore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Baltimore/Washington are usually found in September or August, booked 71 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap 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 septiembre 15, 2025.

Round-trip from

$89
(Frontier)

One-way from

$66
(Frontier)

Popular in

March

Cheapest in

September

Average price

$178
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. 16% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 septiembre 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/36:11 pmORD - BWI
Nonstop2h 03mFrontier
dom. 10/59:59 pmBWI - ORD
Nonstop2h 21mFrontier
Deal found 9/15$96
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/143:11 pmORD - BWI
Nonstop1h 54mSpirit Airlines
dom. 11/165:44 pmBWI - ORD
Nonstop2h 17mSpirit Airlines
Deal found 9/14$99
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/67:56 pmORD - BWI
Nonstop1h 58mSpirit Airlines
dom. 11/95:44 pmBWI - ORD
Nonstop2h 17mSpirit Airlines
Deal found 9/14$100
This Frontier deal was found by Cheapflights users on 9/15. 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.
jue. 10/26:11 pmORD - BWI
Nonstop2h 03mFrontier
dom. 10/59:59 pmBWI - ORD
Nonstop2h 21mFrontier
Deal found 9/15$103
This Frontier deal was found by Cheapflights users on 9/14. 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.
vie. 10/2412:48 pmORD - BWI
Nonstop2h 03mFrontier
dom. 11/24:00 pmBWI - ORD
Nonstop2h 16mFrontier
Deal found 9/14$106
This Frontier deal was found by Cheapflights users on 9/14. 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.
jue. 9/256:11 pmORD - BWI
Nonstop2h 03mFrontier
dom. 9/289:59 pmBWI - ORD
Nonstop2h 21mFrontier
Deal found 9/14$107
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
dom. 11/167:56 pmORD - BWI
Nonstop1h 58mSpirit Airlines
lun. 11/177:10 pmBWI - ORD
Nonstop2h 14mSpirit Airlines
Deal found 9/13$110
This Trip.com deal was found by Cheapflights users on 9/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/3111:00 amORD - BWI
Nonstop2h 03mFrontier
dom. 11/28:13 amBWI - ORD
1 stop6h 46mFrontier
Deal found 9/12$111
This Frontier deal was found by Cheapflights users on 9/13. 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.
vie. 10/39:35 amORD - BWI
1 stop7h 30mFrontier
vie. 10/39:59 pmBWI - ORD
Nonstop2h 21mFrontier
Deal found 9/13$112
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
jue. 11/67:56 pmORD - BWI
Nonstop1h 58mSpirit Airlines
vie. 11/77:10 pmBWI - ORD
Nonstop2h 14mSpirit Airlines
Deal found 9/12$114
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/95:50 amORD - BWI
1 stop10h 31mFrontier
dom. 10/128:48 pmBWI - ORD
Nonstop2h 29mFrontier
Deal found 9/13$115

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 septiembre 15, 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

O'Hare Intl

Fly to

Baltimore

Route

Depart

Return

Price

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

vie. 10/31

6:25 pm-9:24 pm

Nonstop1h 59m

Baltimore/Washington

mar. 11/4

6:15 am-7:31 am

Nonstop2h 16m

$133

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

mié. 12/10

6:20 pm-9:19 pm

Nonstop1h 59m

Baltimore/Washington

sáb. 12/13

10:20 am-11:28 am

Nonstop2h 08m

$139

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

mié. 10/22

2:22 pm-5:26 pm

Nonstop2h 04m

Baltimore/Washington

sáb. 10/25

6:29 am-7:44 am

Nonstop2h 15m

$139

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

mié. 10/1

1:50 pm-4:55 pm

Nonstop2h 05m

Baltimore/Washington

mar. 10/7

9:15 am-12:45 pm

1 stop4h 30m

$164

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

jue. 10/16

7:00 am-9:55 am

Nonstop1h 55m

Baltimore/Washington

jue. 10/16

7:05 pm-8:21 pm

Nonstop2h 16m

$177

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

sáb. 10/11

6:15 pm-9:22 pm

Nonstop2h 07m

Baltimore/Washington

mar. 10/14

6:29 am-7:44 am

Nonstop2h 15m

$181

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

mié. 10/22

1:50 pm-4:50 pm

Nonstop2h 00m

Baltimore/Washington

sáb. 10/25

6:30 am-12:45 pm

1 stop7h 15m

$184

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

mar. 10/14

2:22 pm-5:26 pm

Nonstop2h 04m

Baltimore/Washington

sáb. 10/18

6:29 am-7:44 am

Nonstop2h 15m

$184

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

mar. 11/4

7:05 am-9:59 am

Nonstop1h 54m

Baltimore/Washington

mié. 11/12

6:15 am-7:31 am

Nonstop2h 16m

$187

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

sáb. 10/4

1:30 pm-4:25 pm

Nonstop1h 55m

Baltimore/Washington

lun. 10/6

11:30 am-12:45 pm

Nonstop2h 15m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 22 results
1
2
3

The best insider tips for Chicago O'Hare Intl Airport to Baltimore 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 Chicago O'Hare Intl Airport to Baltimore trip
Airports
ORD

For a quick departure from ORD, take the "L" train from downtown Chicago to avoid traffic delays.

Read more about ORDby Ramsey Qubein
BWI

Use the MTA Light Rail for a quick trip from BWI to downtown Baltimore.

Read more about BWIby Emily Zemler
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 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?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Baltimore. Price data was last updated on September 12, 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Baltimore is 71 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, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Baltimore (average of $241). Flying from Chicago O'Hare Intl Airport to Baltimore in March is currently the most expensive (average of $290). 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 septiembre 15, 2025.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Baltimore in the evening. Doing so could potentially save you 13% on the flight price compared to flying in the afternoon, 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 September 14, 2025.

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

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 septiembre 15, 2025.
See what other customers who have flown with Southwest, United Airlines, and American 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
4,242 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,015 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the 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 19 flights from Chicago O'Hare Intl to Baltimore/Washington per day from 5 different airlines.

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

    Airlines like United Airlines and Southwest fly from Chicago O'Hare Intl Airport to Baltimore in about 1h 59m. The time it takes to get you to your destination is usually consistent. Chicago O'Hare Intl Airport and Baltimore are separated by a distance of 620 mi. All flights are typically nonstop.

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

    Spirit Airlines, at $45, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Baltimore.Alternate airlines to your destination round-trip include Frontier and American Airlines. You may be able to fly from Chicago O'Hare Intl Airport to Baltimore for 82% less than the average price by searching for these airlines.

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

    Consider Republic Airways (83%), Spirit Airlines (80%) or Alaska Airlines (77%) 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 $176, our data shows the cheapest flight currently is $53. When looking at the most popular route, (Chicago O'Hare Intl - Baltimore/Washington), you can expect to pay $71 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, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Baltimore (average of $241). Flying from Chicago O'Hare Intl Airport to Baltimore in March is currently the most expensive (average of $290). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from O'Hare Intl to Baltimore

Discover the top 5 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$45Average$142FlexibilityNo cancel feeOn-time65%
FrontierCheapest$75Average$144FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$124Average$278FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$153Average$263FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$154Average$292FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.