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O'Hare Intl

$366+ Cheap flights from the United Kingdom to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ORD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from United Kingdom to O'Hare Intl

Cheapest flights from United Kingdom to O'Hare Intl
Explore the most affordable flight options available from United Kingdom to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Booking.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:50 amLHR - ORD
1 stop12h 10mAer Lingus
Sun 3/224:50 pmORD - LHR
1 stop12h 20mAer Lingus
Deal found 12/17$625
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:35 pmLHR - ORD
1 stop26h 45mIcelandair
Thu 1/156:30 pmORD - LHR
1 stop19h 00mIcelandair
Deal found 12/15$640
This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:50 pmLHR - ORD
2 stops26h 55mScandinavian Airlines
Sun 3/228:20 pmORD - LHR
2 stops17h 30mScandinavian Airlines
Deal found 12/17$671
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/246:15 amLHR - ORD
1 stop14h 40mAmerican Airlines
Sun 3/2210:45 pmORD - LHR
Nonstop7h 50mAmerican Airlines
Deal found 12/17$673
This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:25 pmLHR - ORD
1 stop27h 30mIberia
Thu 1/156:25 pmORD - LHR
Nonstop7h 50mIberia
Deal found 12/17$675
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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 12/252:10 pmLHR - ORD
Nonstop8h 50mBritish Airways
Thu 1/159:00 pmORD - LHR
1 stop11h 25mBritish Airways
Deal found 12/17$677
This Orbitz deal was found by Cheapflights users on 12/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:10 pmLHR - ORD
Nonstop8h 50mBritish Airways
Sun 3/227:45 pmORD - LHR
Nonstop7h 50mBritish Airways
Deal found 12/17$680
This FlightHub deal was found by Cheapflights users on 12/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:35 pmLHR - ORD
1 stop26h 45mIcelandair
Tue 1/66:30 pmORD - LHR
1 stop19h 00mIcelandair
Deal found 12/15$702
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Thu 12/256:20 pmMAN - ORD
2 stops27h 05mMultiple Airlines
Wed 12/316:30 pmORD - MAN
1 stop10h 15mMultiple Airlines
Deal found 12/17$702
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:40 amLHR - ORD
1 stop16h 05mScandinavian Airlines
Thu 1/227:20 pmORD - LHR
1 stop20h 20mScandinavian Airlines
Deal found 12/16$715
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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.
Sun 12/2811:55 amLGW - ORD
1 stop11h 25mIcelandair
Mon 1/126:30 pmORD - LGW
1 stop10h 25mIcelandair
Deal found 12/17$738
This Trip.com deal was found by Cheapflights users on 12/17. 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.
Thu 12/257:40 pmLGW - ORD
1 stop25h 15mIberia
Thu 1/155:40 pmORD - LGW
1 stop19h 20mIberia
Deal found 12/17$739

Find flight deals from United Kingdom to O'Hare Intl

Keep the following information in mind while searching for United Kingdom to O'Hare Intl flight deals. Data was last updated December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$513

One-way from

$366
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$799

Good round-trip deal

$731 or less

Good one-way deal

$633 or less
Provider with most accurate pricing for London (LON)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Chicago (CHI) flights.
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From United Kingdom to Chicago O'Hare Intl
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One-way flight from United Kingdom to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from United Kingdom to Chicago O'Hare Intl.
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Price to beat on a one-way flight from United Kingdom to Chicago O'Hare Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from United Kingdom to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from the United Kingdom to Chicago O'Hare Intl Airport that are best for you.

Fly from

United Kingdom

Fly to

O'Hare Intl

Route

Depart

Return

Price

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Fri 1/30

7:10 pm-4:45 pm

1 stop27h 35m

Chicago O'Hare Intl

Sun 2/1

7:10 pm-6:30 pm

1 stop17h 20m

$515

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Thu 1/29

7:10 pm-4:55 pm

1 stop27h 45m

Chicago O'Hare Intl

Thu 2/5

7:20 pm-6:30 pm

1 stop17h 10m

$524

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Fri 1/23

7:10 pm-4:45 pm

1 stop27h 35m

Chicago O'Hare Intl

Wed 1/28

7:20 pm-6:30 pm

1 stop17h 10m

$525

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Fri 1/23

10:00 pm-4:45 pm

2 stops24h 45m

Chicago O'Hare Intl

Wed 1/28

7:20 pm-8:40 pm

2 stops19h 20m

$529

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Thu 1/22

7:10 pm-4:45 pm

1 stop27h 35m

Chicago O'Hare Intl

Wed 2/4

7:20 pm-6:30 pm

1 stop17h 10m

$530

ManchesterChicago

MAN - ORD

MANORD

Manchester

Sat 1/31

12:55 pm-4:55 pm

2 stops34h 00m

Chicago O'Hare Intl

Sat 2/7

7:20 pm-12:15 pm

2 stops34h 55m

$533

ManchesterChicago

MAN - ORD

MANORD

Manchester

Fri 1/16

8:55 pm-4:45 pm

2 stops25h 50m

Chicago O'Hare Intl

Fri 1/23

7:20 pm-4:45 pm

2 stops39h 25m

$541

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Thu 1/29

2:25 pm-4:55 pm

2 stops32h 30m

Chicago O'Hare Intl

Thu 2/5

7:20 pm-9:35 pm

2 stops20h 15m

$568

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 1/30

1:50 pm-5:20 pm

2 stops33h 30m

Chicago O'Hare Intl

Fri 2/6

6:30 pm-9:35 pm

2 stops21h 05m

$601

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 3/16

8:35 pm-6:20 pm

1 stop26h 45m

Chicago O'Hare Intl

Thu 4/23

7:25 pm-11:55 am

1 stop10h 30m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to O'Hare Intl

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

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

Currently, September is the cheapest month in which you can book a flight from United Kingdom to Chicago O'Hare Intl Airport (average of $204). Flying from United Kingdom to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $626). 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 GB to ORD?

Find hourly flight availability from United Kingdom to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from United Kingdom to Chicago O'Hare Intl Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 22% on airfare.

Weekly flight availability from United Kingdom to Chicago O'Hare Intl Airport

Explore weekly flight availability from United Kingdom to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 18, 2025.

The most flights from GB0 to ORD are scheduled on a Wednesday (51 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (35 on average).

How often are flights from the United Kingdom to Chicago delayed?

About 11% of weekly flights between United Kingdom and Chicago have experienced delays in the past year, with the average delay time being 172 minutes.

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

Historically, flights departing at night 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?

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

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

Over the last year, United Airlines have had the lowest number of delays on this route, with just 5% of flights being delayed.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Aer Lingus from the United Kingdom to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
Aer Lingus
7.2
Good
1,399 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
Icelandair
7.0
Good
591 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.
British Airways
6.7
Okay
7,586 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2025

YUL - ORD

Crew and customer service are 5 stars. I had a lot of luggage for a very long trip and they were nothing but helpful and found solutions to every problem. It was my first time flying with United, and they really are the friendly skies. Leg room however, on 2/3 flights was terrible. Same for entertainment: There was only a seat-mounted screen on 1/3 flights. It would have been nice to have on the longest leg of the journey.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from United Kingdom to Chicago O'Hare Intl Airport can take about 14h 23m. Scandinavian Airlines provides one of the quickest options available for as low as $610. The distance from United Kingdom to Chicago O'Hare Intl Airport is about 3939 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $234 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on TAP AIR PORTUGAL and Icelandair, with prices starting from $381 and $448, respectively.

  • What are the most popular routes from United Kingdom to Chicago O'Hare Intl Airport?

    The most popular flight routes from United Kingdom to Chicago O'Hare Intl Airport are London Heathrow - Chicago O'Hare Intl, London Gatwick - Chicago O'Hare Intl and London City - Chicago O'Hare Intl.

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

    The top 3 most reliable airlines when flying from United Kingdom to Chicago O'Hare Intl Airport are Austrian Airlines (88%), Brussels Airlines (88%) and Lufthansa (88%).

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

    Looking at all options, your cheapest flight can be booked for $513. While the most popular route (London Heathrow - Chicago O'Hare Intl) can be booked for $411 on average, our data indicates $1,445 when flying from United Kingdom to Chicago O'Hare Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from United Kingdom to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, September is the cheapest month in which you can book a flight from United Kingdom to Chicago O'Hare Intl Airport (average of $204). Flying from United Kingdom to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $626). 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 O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston

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Alternative routes for United Kingdom to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to O'Hare Intl flights
Charles de Gaulle to O'Hare Intl flights
Heathrow to O'Hare Intl flights
Krakow to O'Hare Intl flights
Orly to O'Hare Intl flights
Charles de Gaulle to Midway flights
Frederic Chopin to O'Hare Intl flights
Dublin to O'Hare Intl flights
Madrid to O'Hare Intl flights
Istanbul to O'Hare Intl flights
Gatwick to O'Hare Intl flights
Frankfurt-Hahn to O'Hare Intl flights
Duesseldorf Intl to O'Hare Intl flights
Madrid to Midway flights
Malpensa to O'Hare Intl flights
Bruxelles-National to O'Hare Intl flights
Munich to O'Hare Intl flights
London City to O'Hare Intl flights
Athens to O'Hare Intl flights
Barcelona-El Prat to O'Hare Intl flights
Zurich to O'Hare Intl flights
Linate to O'Hare Intl flights
Heathrow to Midway flights
Bergamo to O'Hare Intl flights
Vienna to O'Hare Intl flights
Stansted to O'Hare Intl flights
Amsterdam to O'Hare Intl flights
Frederic Chopin to Midway flights
Barcelona-El Prat to Midway flights
Luton to O'Hare Intl flights
Leonardo da Vinci/Fiumicino to O'Hare Intl flights
Beauvais-Tille to O'Hare Intl flights
Copenhagen to O'Hare Intl flights
Berlin to O'Hare Intl flights
Munich to Midway flights
Sofia to O'Hare Intl flights
Bruxelles-National to Midway flights
Duesseldorf Intl to Midway flights
Sabiha Gokcen to O'Hare Intl flights
Vilnius to O'Hare Intl flights
Oslo Gardermoen to O'Hare Intl flights

Top 10 airlines flying from United Kingdom to O'Hare Intl

Discover the top 10 airlines that operate flights from United Kingdom to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$446Average$811FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$451Average$613FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$468Average$592FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$485Average$767FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$530Average$897FlexibilityNo cancel feeOn-time78%
British AirwaysCheapest$531Average$757FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$558Average$789FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$558Average$793FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$572Average$798FlexibilityNo cancel feeOn-time71%
FinnairCheapest$625Average$808FlexibilityNo cancel feeOn-time76%

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