Philadelphia

$96+ Cheap flights from Chicago (CHI) to Philadelphia (PHL)

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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — PHL
abr. 23 — abr. 301
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Find cheap flights from Chicago to Philadelphia 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

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3. Compare prices and book

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Cheapflights Tip: The best prices from Chicago to Philadelphia are usually found in October or January, booked 85 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Chicago to Philadelphia

Cheapest flights from Chicago to Philadelphia
Explore the most affordable flight options available from Chicago to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on març 24, 2026.

This Frontier deal was found by Cheapflights users on 3/22. 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.
ds. 5/307:52 pm
ORD
-
PHL
Nonstop2h 26m
Frontier
dl. 6/15:06 pm
PHL
-
ORD
Nonstop2h 38m
Frontier
Deal found 3/22$182
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.
dt. 4/148:00 am
MDW
-
PHL
2 stops7h 50m
Southwest
dt. 4/216:45 pm
PHL
-
MDW
1 stop4h 30m
Southwest
Deal found 3/24$184
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dg. 4/192:37 pm
ORD
-
PHL
Nonstop2h 14m
Frontier
dc. 4/2211:02 am
PHL
-
ORD
1 stop6h 58m
Frontier
Deal found 3/23$184
This Expedia deal was found by Cheapflights users on 3/20. 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.
dt. 5/268:05 am
ORD
-
PHL
1 stop15h 39m
Frontier
dv. 5/291:32 pm
PHL
-
ORD
1 stop7h 19m
Frontier
Deal found 3/20$185
This Southwest deal was found by Cheapflights users on 3/22. 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.
dt. 5/1210:15 am
MDW
-
PHL
2 stops10h 45m
Southwest
dc. 5/136:45 pm
PHL
-
MDW
1 stop4h 30m
Southwest
Deal found 3/22$186
This CheapOair deal was found by Cheapflights users on 3/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dj. 5/77:56 pm
ORD
-
PHL
Nonstop2h 26m
Frontier
dg. 5/109:16 pm
PHL
-
ORD
1 stop26h 57m
Frontier
Deal found 3/21$186
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ds. 4/253:35 pm
MDW
-
PHL
Nonstop2h 00m
Southwest
dc. 4/296:20 am
PHL
-
MDW
1 stop6h 15m
Southwest
Deal found 3/23$187
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dg. 4/121:02 pm
ORD
-
PHL
1 stop24h 29m
Frontier
dt. 4/1411:02 am
PHL
-
ORD
1 stop6h 58m
Frontier
Deal found 3/23$187
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dj. 5/287:52 pm
ORD
-
PHL
Nonstop2h 26m
Frontier
dg. 6/75:06 pm
PHL
-
ORD
Nonstop2h 38m
Frontier
Deal found 3/23$188
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 4/158:00 am
MDW
-
PHL
2 stops7h 50m
Southwest
dc. 4/229:10 am
PHL
-
MDW
2 stops6h 45m
Southwest
Deal found 3/23$189
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dv. 4/175:16 pm
ORD
-
PHL
1 stop5h 47m
Frontier
dl. 4/207:24 pm
PHL
-
ORD
2 stops39h 38m
Frontier
Deal found 3/23$189
This Expedia deal was found by Cheapflights users on 3/22. 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.
dv. 5/228:05 am
ORD
-
PHL
1 stop15h 39m
Frontier
dc. 6/176:00 am
PHL
-
ORD
1 stop7h 25m
Frontier
Deal found 3/22$190

Find flight deals from Chicago to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Philadelphia (PHL). 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 març 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$181
(Frontier)

One-way from

$96
(Frontier)

Popular in

March

Cheapest in

October

Average price

$369

Good round-trip deal

$275 or less

Good one-way deal

$154 or less
Provider with most accurate pricing for Chicago (CHI)-Philadelphia flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Philadelphia flights.
From Chicago (CHI) to Philadelphia
One-way flight from Chicago (CHI) to Philadelphia
Highest demand for flights based on searches. 17% potential increase in price ($56 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Chicago (CHI) to Philadelphia.
Price to beat on a one-way flight from Chicago (CHI) to Philadelphia.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Philadelphia 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 març 24, 2026.
Use the filters below to find and compare flights from Chicago to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

dj. 4/23

9:55 pm-12:59 am

Nonstop2h 04m

Philadelphia

ds. 4/25

5:00 pm-6:28 pm

Nonstop2h 28m

$193

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

dj. 4/23

9:55 pm-12:59 am

Nonstop2h 04m

Philadelphia

dg. 4/26

6:04 am-7:32 am

Nonstop2h 28m

$215

ChicagoPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

dv. 5/1

6:45 pm-9:45 pm

Nonstop2h 00m

Philadelphia

dl. 5/4

6:00 pm-7:10 pm

Nonstop2h 10m

$227

ChicagoPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

dj. 5/7

9:00 am-4:45 pm

1 stop6h 45m

Philadelphia

dj. 5/14

5:25 pm-12:05 am

1 stop7h 40m

$236
Quickest round-trip

ChicagoPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

dj. 4/23

7:40 am-10:35 am

Nonstop1h 55m

Philadelphia

dl. 4/27

2:15 pm-3:25 pm

Nonstop2h 10m

$237

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

dj. 4/30

9:59 pm-12:59 am

Nonstop2h 00m

Philadelphia

ds. 5/2

6:10 am-7:39 am

Nonstop2h 29m

$237

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

dt. 4/28

9:04 am-12:17 pm

Nonstop2h 13m

Philadelphia

dc. 4/29

11:36 am-1:04 pm

Nonstop2h 28m

$237

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

dl. 5/11

9:54 pm-12:59 am

Nonstop2h 05m

Philadelphia

dt. 5/12

5:05 pm-6:34 pm

Nonstop2h 29m

$237

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

dc. 6/3

6:35 am-9:39 am

Nonstop2h 04m

Philadelphia

ds. 6/13

6:45 pm-8:18 pm

Nonstop2h 33m

$247

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

dt. 9/8

9:06 am-12:23 pm

Nonstop2h 17m

Philadelphia

ds. 9/12

6:44 pm-8:12 pm

Nonstop2h 28m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 47 resultsSorted by cheapest first
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Compare providers for flights from Chicago to Philadelphia

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 Chicago to Philadelphia in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust 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 Chicago-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Philadelphia 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-Philadelphia 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 Chicago to Philadelphia

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

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

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Philadelphia. Price data was last updated on March 13, 2026.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Philadelphia. 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 Chicago to Philadelphia?

Currently, January is the cheapest month in which you can book a flight from Chicago to Philadelphia (average of $34). Flying from Chicago to Philadelphia in July is currently the most expensive (average of $102). 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 CHI to PHL?

Find hourly flight availability from Chicago to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated març 24, 2026.

It’s typically best to fly out from Chicago to Philadelphia in the evening. Doing so could potentially save you 19% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Chicago to Philadelphia. Price data was last updated on March 23, 2026.

Travelers seeking maximum savings on their Chicago to Philadelphia flight should consider departing on Friday afternoons 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.

Weekly flight availability from Chicago to Philadelphia

Explore weekly flight availability from Chicago to Philadelphia. 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 març 24, 2026.

The most flights from CHI to PHL are scheduled on a Thursday (42 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (24 on average).

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

How often are flights from Chicago to Philadelphia delayed?

About 20% of weekly flights between Chicago and Philadelphia have experienced delays in the past year, with the average delay time being 138 minutes.

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

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

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

Tuesday 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 Chicago to Philadelphia flights?

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

The best insider tips for Chicago to Philadelphia 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 to Philadelphia 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.

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.

Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated març 24, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Chicago to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Related info for your journey

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

    If you book a flight to Philadelphia from Chicago, you will be flying to Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia. There are 35 flights from Chicago to Philadelphia per day from 4 different airlines.

  • How long is the flight from Chicago to Philadelphia?

    A quick flight from Chicago to Philadelphia can take about 2h. United Airlines provides one of the quickest options available for as low as $227. The distance between Chicago and Philadelphia is about 666 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Frontier ($67), United Airlines ($148), and American Airlines ($157) offers the cheapest pricing from Chicago to Philadelphia. You may be able to fly from Chicago to Philadelphia for 74% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $49. Users have also found prices from $80 and $81 on American Airlines and Spirit Airlines, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Philadelphia on time: Volaris (79%), Republic Airways (76%), Air Canada (73%).

  • What are the cheapest flights from Chicago to Philadelphia?

    The cheapest flight price from Chicago to Philadelphia is $88. On average you can expect to pay $769. The most popular route, (Chicago O'Hare Intl - Philadelphia), can usually be booked for $149.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to Philadelphia 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 to Philadelphia?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Philadelphia (average of $34). Flying from Chicago to Philadelphia in July is currently the most expensive (average of $102). 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 Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Reading
King of Prussia
Camden
Ocean City
Lewes
Dewey Beach
Pottstown
Ephrata
Vineland
Milford
Cherry Hill
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chicago to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Chicago to Philadelphia

Discover the top 4 airlines that operate flights from Chicago to Philadelphia. 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 març 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$67Average$166FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$148Average$329FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$295FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$168Average$324FlexibilityNo cancel feeOn-time63%

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