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$99+ Cheap flights from Baltimore (BWI) to Chicago (CHI)

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — CHI
Jul 17 — Jul 241
Fri 7/17
Fri 7/24
1 adult, Economy
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Find cheap flights from Baltimore to Chicago 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”

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Cheapflights Tip: The best prices from Baltimore/Washington to Chicago are usually found in September or January, booked 84 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Baltimore to Chicago

Cheapest flights from Baltimore to Chicago
Explore the most affordable flight options available from Baltimore to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 17, 2026.

This Southwest deal was found by Cheapflights users on 6/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:45 pm
BWI
-
MDW
Nonstop2h 00m
Southwest
Sat 8/87:40 am
MDW
-
BWI
1 stop3h 40m
Southwest
Deal found 6/15$224
This American Airlines deal was found by Cheapflights users on 6/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:03 am
BWI
-
ORD
Nonstop2h 27m
American Airlines
Thu 8/135:49 pm
ORD
-
BWI
1 stop4h 09m
American Airlines
Deal found 6/13$224
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:50 am
BWI
-
MDW
1 stop3h 15m
Southwest
Tue 8/1112:45 pm
MDW
-
BWI
1 stop3h 15m
Southwest
Deal found 6/12$225
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:28 am
BWI
-
ORD
Nonstop2h 15m
American Airlines
Wed 7/296:51 am
ORD
-
BWI
Nonstop2h 07m
American Airlines
Deal found 6/12$225
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:35 am
BWI
-
ORD
1 stop14h 20m
Frontier
Tue 9/81:50 pm
ORD
-
BWI
1 stop8h 10m
Frontier
Deal found 6/15$226
This Frontier deal was found by Cheapflights users on 6/13. 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.
Tue 11/312:02 pm
BWI
-
ORD
Nonstop2h 24m
Frontier
Thu 11/52:03 pm
ORD
-
BWI
1 stop9h 08m
Frontier
Deal found 6/13$227
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:24 am
BWI
-
ORD
1 stop11h 20m
Frontier
Fri 10/28:00 am
ORD
-
BWI
Nonstop2h 07m
Frontier
Deal found 6/15$228
This Southwest deal was found by Cheapflights users on 6/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:40 am
BWI
-
MDW
Nonstop2h 00m
Southwest
Tue 7/75:30 pm
MDW
-
BWI
Nonstop1h 55m
Southwest
Deal found 6/15$229
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:13 pm
BWI
-
ORD
Nonstop2h 31m
American Airlines
Wed 7/86:51 am
ORD
-
BWI
Nonstop2h 07m
American Airlines
Deal found 6/15$229
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:52 am
BWI
-
ORD
1 stop12h 03m
Frontier
Wed 9/162:03 pm
ORD
-
BWI
1 stop9h 08m
Frontier
Deal found 6/14$230
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/282:30 pm
BWI
-
MDW
1 stop3h 30m
Southwest
Wed 7/297:35 pm
MDW
-
BWI
Nonstop1h 55m
Southwest
Deal found 6/12$231
This Travelocity deal was found by Cheapflights users on 6/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:09 am
BWI
-
ORD
Nonstop2h 23m
Frontier
Mon 10/127:00 am
ORD
-
BWI
Nonstop2h 14m
Frontier
Deal found 6/16$232

Find flight deals from Baltimore to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Chicago (CHI). 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 June 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$224
(Southwest)

One-way from

$99
(Delta)

Popular in

June

Cheapest in

September

Average price

$345
Provider with most accurate pricing for Baltimore/Washington-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Chicago (CHI) flights.
Search Deals
From Baltimore/Washington to Chicago (CHI)
Search Deals
One-way flight from Baltimore/Washington to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Chicago 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 June 17, 2026.
Use the filters below to find and compare flights from Baltimore to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Tue 8/18

10:55 am-1:30 pm

1 stop3h 35m

Chicago Midway

Sat 8/22

9:05 am-1:50 pm

1 stop3h 45m

$225

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Wed 7/15

6:30 pm-7:35 pm

Nonstop2h 05m

Chicago Midway

Sat 7/18

8:10 pm-11:05 pm

Nonstop1h 55m

$229

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 8/18

12:30 pm-4:17 pm

1 stop4h 47m

Chicago O'Hare Intl

Sat 8/22

3:25 pm-9:23 pm

1 stop4h 58m

$234

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 8/15

5:36 pm-8:30 pm

1 stop3h 54m

Chicago O'Hare Intl

Wed 8/19

8:48 am-4:49 pm

1 stop7h 01m

$234

BaltimoreChicago

BWI - RFD

BWIRFD

Baltimore/Washington

Wed 7/22

1:05 pm-10:37 am

1 stop22h 32m

Chicago Greater Rockford

Sun 7/26

11:27 am-12:10 pm

1 stop23h 43m

$240

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Mon 7/27

6:10 am-7:10 am

Nonstop2h 00m

Chicago Midway

Wed 7/29

5:30 pm-8:25 pm

Nonstop1h 55m

$243

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Fri 7/3

12:32 pm-6:31 pm

1 stop6h 59m

Chicago Midway

Wed 7/8

12:41 pm-6:41 pm

1 stop5h 00m

$249

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Wed 9/2

8:00 am-9:00 am

Nonstop2h 00m

Chicago Midway

Fri 9/4

12:10 pm-4:40 pm

1 stop3h 30m

$249

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Wed 7/22

12:33 pm-6:29 pm

1 stop6h 56m

Chicago O'Hare Intl

Sat 7/25

5:18 pm-11:18 pm

1 stop5h 00m

$249

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Wed 11/25

7:40 pm-11:50 pm

1 stop5h 10m

Chicago O'Hare Intl

Tue 12/1

5:55 pm-12:26 am

1 stop5h 31m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Compare providers for flights from Baltimore to Chicago

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 Chicago in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*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 flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Chicago 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 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 Baltimore to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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

What is the cheapest month to book a flight from Baltimore to Chicago?

Currently, February is the cheapest month in which you can book a flight from Baltimore to Chicago (average of $43). Flying from Baltimore to Chicago in July is currently the most expensive (average of $689). 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 CHI?

Find hourly flight availability from Baltimore to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 17, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 33% on flights from Baltimore to Chicago by exploring options for tickets in the afternoon.

Weekly flight availability from Baltimore to Chicago

Explore weekly flight availability from Baltimore to Chicago. 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 June 17, 2026.

The most flights from BWI to CHI are scheduled on a Wednesday (36 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

How much does it cost to fly round-trip from Baltimore to Chicago?

How often are flights from Baltimore to Chicago delayed?

About 19% of weekly flights between Baltimore and Chicago have experienced delays in the past year, with the average delay time being 122 minutes.

What is the most punctual flight time for Baltimore to Chicago flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Baltimore to Chicago flights?

Over the last year, Southwest have had the lowest number of delays on this route, with just 19% of flights being delayed.

How far ahead should I book a flight from Baltimore to Chicago?

To ensure you get the cheapest price possible for a flight from Baltimore to Chicago, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from Baltimore to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Chicago. Price data was last updated on June 13, 2026.

Travelers seeking maximum savings on their Baltimore to Chicago flight should consider departing on Friday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Baltimore to Chicago 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 Baltimore to Chicago trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD and MDW

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 Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated June 17, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Baltimore to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,235 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
7.9
Good
4,235 reviews
Southwest
7.9
Good
4,235 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
United Airlines
7.4
Good
9,844 reviews
Southwest
7.9
Good
4,235 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
American Airlines
7.1
Good
11,670 reviews
Southwest
7.9
Good
4,235 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Frontier
5.6
Fair
2,881 reviews
Southwest
7.9
Good
4,235 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Chicago. 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?

    If you book a flight to Chicago 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 28 flights from Baltimore/Washington to Chicago per day from 4 different airlines.

  • How long is the flight from Baltimore to Chicago?

    Southwest and Delta can get you from Baltimore to Chicago in just under 3h 35m. Your travel time can differ by up to 1h 12m. Airlines will cover a distance of 609 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Baltimore to Chicago round-trip?

    Cheapflights users have booked flights from Baltimore to Chicago round-trip from $57. Other airlines that can offer you cheap pricing are Southwest, from $117, and United Airlines, from $154. You may be able to fly from Baltimore to Chicago for 76% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Baltimore to Chicago one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $43. Users have also found prices from $61 and $69 on Southwest and American Airlines, respectively.

  • What are the most popular routes from Baltimore to Chicago?

    When deciding which route to take from Baltimore to Chicago consider Baltimore/Washington - Chicago O'Hare Intl, Baltimore/Washington - Chicago Midway or Baltimore/Washington - Chicago Greater Rockford as they are the most popular.

  • What are the most reliable airlines from Baltimore to Chicago?

    No one likes to see their flight delayed. When booking a flight from Baltimore to Chicago consider choosing Qatar Airways (94%), Japan Airlines (91%) or Cathay Pacific (90%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Baltimore to Chicago?

    On average you can expect to pay $776 for a flight from Baltimore to Chicago. The cheapest flight overall is $116 while the most popular route, (Baltimore/Washington - Chicago O'Hare Intl) is currently priced at $81.

  • Can I find deals for flights from Baltimore to Chicago that include hotel bookings?

    Yes. In addition to deals on Baltimore to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Chicago?

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

  • Can I find deals for business class flights from Baltimore to Chicago?

    Yes. Cheapflights offers flight deals from Baltimore to Chicago 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?

    Currently, February is the cheapest month in which you can book a flight from Baltimore to Chicago (average of $43). Flying from Baltimore to Chicago in July is currently the most expensive (average of $689). 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 Chicago?

Book flights to Chicago if you plan to visit one of these locations
Benton Harbor
Lansing
Merrillville
Hammond
Porter

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Top 4 airlines flying from Baltimore to Chicago

Discover the top 4 airlines that operate flights from Baltimore to Chicago. 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 June 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$169FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$117Average$278FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$154Average$329FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$306FlexibilityNo cancel feeOn-time71%

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