London

$418+ Cheap flights from Sky Harbor Intl (PHX) to London (LON)

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — LON
Jan 3 — Jan 101
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Find cheap flights from Sky Harbor Intl to London 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 Phoenix Sky Harbor Intl to London are usually found in October or September, booked 66 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Sky Harbor Intl to London

Cheapest flights from Sky Harbor Intl to London
Explore the most affordable flight options available from Sky Harbor Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/2. 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.
Wed 12/3112:38 pmPHX - LHR
1 stop12h 17mUnited Airlines
Fri 1/910:00 amLHR - PHX
1 stop15h 49mUnited Airlines
Deal found 12/2$665
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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.
Thu 12/113:12 pmPHX - LHR
1 stop12h 38mLufthansa
Mon 3/98:15 pmLHR - PHX
2 stops31h 06mLufthansa
Deal found 12/2$670
This FlightHub deal was found by Cheapflights users on 12/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/92:51 pmPHX - LHR
1 stop11h 49mLufthansa
Tue 12/1610:25 amLHR - PHX
1 stop15h 38mLufthansa
Deal found 12/2$673
This Delta deal was found by Cheapflights users on 12/1. 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.
Wed 12/317:15 amPHX - LHR
1 stop20h 40mDelta
Fri 1/910:45 amLHR - PHX
1 stop15h 28mDelta
Deal found 12/1$676
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Wed 12/102:51 pmPHX - LHR
1 stop11h 49mUnited Airlines
Thu 12/187:40 amLHR - PHX
1 stop15h 07mUnited Airlines
Deal found 12/3$677
This CheapOair deal was found by Cheapflights users on 12/3. 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.
Wed 12/106:20 amPHX - LHR
2 stops20h 50mMultiple Airlines
Wed 12/1710:00 amLHR - PHX
1 stop19h 11mMultiple Airlines
Deal found 12/3$678
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Mon 12/297:50 pmPHX - LHR
1 stop27h 05mUnited Airlines
Fri 1/912:05 pmLHR - PHX
1 stop15h 32mUnited Airlines
Deal found 12/2$681
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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.
Tue 12/308:25 pmPHX - LHR
Nonstop9h 50mBritish Airways
Tue 1/1310:35 amLHR - PHX
1 stop15h 46mBritish Airways
Deal found 12/2$693
This SWISS deal was found by Cheapflights users on 12/2. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/94:44 pmPHX - LHR
2 stops18h 06mSWISS
Tue 12/169:00 amLHR - PHX
2 stops19h 59mSWISS
Deal found 12/2$695
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Fri 12/1210:15 amPHX - LHR
1 stop14h 40mBrussels Airlines
Thu 12/187:40 amLHR - PHX
1 stop17h 57mBrussels Airlines
Deal found 12/2$698
This SWISS deal was found by Cheapflights users on 12/2. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/94:44 pmPHX - LCY
2 stops17h 21mSWISS
Tue 12/169:15 amLCY - PHX
2 stops19h 44mSWISS
Deal found 12/2$719
This Trip.com deal was found by Cheapflights users on 12/1. 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.
Fri 12/57:00 amPHX - LGW
2 stops16h 00mMultiple Airlines
Wed 1/141:00 pmLGW - PHX
2 stops26h 12mMultiple Airlines
Deal found 12/1$820

Find flight deals from Sky Harbor Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to London (LON). 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$664
(Booking.com)

One-way from

$418
(JetBlue)

Popular in

December

Cheapest in

October

Average price

$1,304

Good round-trip deal

$787 or less

Good one-way deal

$403 or less
Provider with most accurate pricing for Phoenix Sky Harbor Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-London (LON) flights.
From Phoenix Sky Harbor Intl to London (LON)
One-way flight from Phoenix Sky Harbor Intl to London (LON)
Highest demand for flights based on searches. 4% potential increase in price ($45 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to London (LON).
Price to beat on a one-way flight from Phoenix Sky Harbor Intl to London (LON).

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl to London 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 December 4, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to London that are best for you.

Fly from

Sky Harbor Intl

Fly to

London

Route

Depart

Return

Price

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Sun 1/11

1:30 pm-8:10 pm

1 stop23h 40m

London Heathrow

Tue 2/24

2:45 pm-1:35 pm

1 stop29h 50m

$665

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Wed 12/31

7:29 am-7:25 am

1 stop16h 56m

London Heathrow

Fri 1/9

12:00 pm-10:59 pm

2 stops17h 59m

$676

PhoenixLondon

PHX - LCY

PHXLCY

Phoenix Sky Harbor Intl

Wed 2/11

12:28 pm-12:55 pm

2 stops17h 27m

London City

Wed 2/18

9:50 am-9:37 pm

2 stops18h 47m

$677

PhoenixLondon

PHX - LHR

PHXLHR

Phoenix Sky Harbor Intl

Fri 1/16

11:59 pm-10:00 pm

1 stop15h 01m

London Heathrow

Fri 1/23

9:20 am-8:49 pm

1 stop18h 29m

$685

PhoenixLondon

PHX - LCY

PHXLCY

Phoenix Sky Harbor Intl

Sun 2/15

9:40 am-12:55 pm

2 stops20h 15m

London City

Fri 2/27

9:20 am-9:50 pm

2 stops19h 30m

$689

PhoenixLondon

PHX - LCY

PHXLCY

Phoenix Sky Harbor Intl

Sun 1/18

10:22 am-12:55 pm

2 stops19h 33m

London City

Wed 1/28

9:20 am-10:59 pm

2 stops20h 39m

$689

PhoenixLondon

PHX - LCY

PHXLCY

Phoenix Sky Harbor Intl

Sun 1/18

12:28 pm-12:55 pm

2 stops17h 27m

London City

Tue 1/27

9:15 am-10:59 pm

2 stops20h 44m

$689

PhoenixLondon

PHX - LCY

PHXLCY

Phoenix Sky Harbor Intl

Tue 3/3

9:40 am-12:55 pm

2 stops20h 15m

London City

Mon 3/23

7:10 pm-10:18 pm

2 stops34h 08m

$689

PhoenixLondon

PHX - LCY

PHXLCY

Phoenix Sky Harbor Intl

Sat 2/14

12:37 pm-12:55 pm

2 stops41h 18m

London City

Fri 2/27

9:20 am-9:50 pm

2 stops19h 30m

$695

PhoenixLondon

PHX - LCY

PHXLCY

Phoenix Sky Harbor Intl

Tue 1/20

12:28 pm-12:55 pm

2 stops41h 27m

London City

Tue 1/27

9:15 am-11:57 pm

2 stops21h 42m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 60 results
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Compare providers for flights from Sky Harbor Intl to London

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 Sky Harbor Intl to London in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
SmartFaresPrice Accuracy1 starTrust 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 Phoenix Sky Harbor Intl Airport-London flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Phoenix Sky Harbor Intl Airport-London flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-London flights, Cheapflights users trust Gurufare the most. Gurufare 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 Phoenix Sky Harbor Intl Airport-London 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 Sky Harbor Intl to London

Have a flexible travel schedule? Discover the best time to fly to London from Sky Harbor 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 Phoenix Sky Harbor Intl Airport to London

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to London?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to London. Price data was last updated on November 28, 2025.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix Sky Harbor Intl Airport to London. 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 Phoenix Sky Harbor Intl Airport to London?

Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London (average of $503). Flying from Phoenix Sky Harbor Intl Airport to London in June is currently the most expensive (average of $790). 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 PHX to LON?

Find hourly flight availability from Sky Harbor Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 17% on flights from Phoenix Sky Harbor Intl Airport to London by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to London?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to London flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix Sky Harbor Intl Airport to London

Explore weekly flight availability from Sky Harbor Intl to London. 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 December 4, 2025.

The most flights from PHX to LON are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Phoenix Sky Harbor Intl Airport to London?

The best insider tips for Phoenix Sky Harbor Intl Airport to London 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 Phoenix Sky Harbor Intl Airport to London trip
Airports
PHX

PHX offers short security lines, typically under 10 minutes, ensuring a smooth departure experience even during peak hours.

LHR

Take the Heathrow Express for the fastest route to central London, reaching Paddington Station quickly and efficiently.

Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

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

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated December 4, 2025.
See what other customers who have flown with Finnair, American Airlines, and JetBlue from Phoenix Sky Harbor Intl Airport to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.4

Overall

7.6

Crew

8.1

Boarding

7.6

Food

6.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.4

Overall

7.6

Crew

8.1

Boarding

7.6

Food

6.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.4

Overall

7.6

Crew

8.1

Boarding

7.6

Food

6.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.4

Overall

7.6

Crew

8.1

Boarding

7.6

Food

6.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.4

Overall

7.6

Crew

8.1

Boarding

7.6

Food

6.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.4

Overall

7.6

Crew

8.1

Boarding

7.6

Food

6.7

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Phoenix Sky Harbor Intl Airport to London?

    Delta, United Airlines, and JetBlue can get you from Phoenix Sky Harbor Intl Airport to London in just under 15h 01m. Your travel time can differ by up to 8h 39m. The distance from Phoenix Sky Harbor Intl Airport to London is about 5255 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to London round-trip?

    Flying on British Airways is currently your cheapest option to London, with prices starting at $515. Additional round-trip tickets that might be worth considering are offered by American Airlines and Scandinavian Airlines, with the lowest prices starting at $533 and $533, respectively. British Airways is 42% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to London one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $219. JetBlue flights start at $280 while deals on United Airlines start at $398 one-way.

  • What are the most popular routes from Phoenix Sky Harbor Intl Airport to London?

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to London?

    Before booking your flight to London from Phoenix Sky Harbor Intl Airport, check out the most reliable airlines to get you to your destination on time: American Airlines (61%), Finnair (61%), Iberia( 61%).

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to London?

    On average you can expect to pay $1,612 for a flight from Phoenix Sky Harbor Intl Airport to London. The cheapest flight overall is $248 while the most popular route, (Phoenix Sky Harbor Intl - London Heathrow) is currently priced at $577.

  • Can I find deals for flights from Sky Harbor Intl to London that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to London.

  • Can I find deals for business class flights from Sky Harbor Intl to London?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to London 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 Phoenix Sky Harbor Intl Airport to London?

    Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to London (average of $503). Flying from Phoenix Sky Harbor Intl Airport to London in June is currently the most expensive (average of $790). 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 London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Hayes
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Kingston upon Thames
Wembley
Folkestone
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Sky Harbor Intl to London

Discover the top 10 airlines that operate flights from Sky Harbor Intl to London. 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$515Average$886FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$533Average$905FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$533Average$687FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$537Average$788FlexibilityNo cancel feeOn-time72%
JetBlueCheapest$551Average$896FlexibilityNo cancel feeOn-time62%
FinnairCheapest$565Average$899FlexibilityNo cancel feeOn-time76%
IberiaCheapest$565Average$1,022FlexibilityNo cancel feeOn-time77%
DeltaCheapest$580Average$963FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$581Average$828FlexibilityNo cancel feeOn-time69%
WestJetCheapest$595Average$779FlexibilityNo cancel feeOn-time60%

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