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Keflavik Intl

$166+ Cheap flights from Boston (BOS) to Keflavik Intl (KEF)

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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KEF
May 3 — May 101
Sat 5/3
Sat 5/10
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Reykjavik Keflavik Intl are usually found in January or March, booked 47 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Boston to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Keflavik Intl (KEF). 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 April 28, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$310
(Mytrip)

One-way from

$171
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$374

Good round-trip deal

$408 or less

Good one-way deal

$254 or less
Provider with most accurate pricing for Boston Logan Intl-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Reykjavik Keflavik Intl flights.
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From Boston Logan Intl to Reykjavik Keflavik Intl
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One-way flight from Boston Logan Intl to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 13% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from Boston Logan Intl to Reykjavik Keflavik Intl.
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Find flight deals from Boston to Keflavik Intl

Cheapest flights from Boston to Keflavik Intl
Explore the most affordable flight options available from Boston to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2025.

This Gotogate deal was found by Cheapflights users on 4/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/47:15 pmBOS - KEF
Nonstop5h 30mPLAY
Tue 5/133:45 pmKEF - BOS
Nonstop6h 05mPLAY
Deal found 4/27$309
This eDestinos deal was found by Cheapflights users on 4/26. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/112:35 pmBOS - KEF
Nonstop5h 15mIcelandair
Sun 11/910:00 amKEF - BOS
Nonstop5h 35mIcelandair
Deal found 4/26$324
This United Airlines deal was found by Cheapflights users on 4/27. 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 8/1310:20 amBOS - KEF
1 stop17h 50mUnited Airlines
Sat 8/239:30 amKEF - BOS
2 stops31h 54mUnited Airlines
Deal found 4/27$374
This oojo deal was found by Cheapflights users on 4/27. 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.
Mon 11/175:35 pmBOS - KEF
1 stop12h 10mScandinavian Airlines
Mon 11/2411:30 amKEF - BOS
1 stop33h 20mScandinavian Airlines
Deal found 4/27$382
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:15 pmBOS - KEF
1 stop9h 15mKLM
Wed 10/18:50 amKEF - BOS
1 stop14h 56mKLM
Deal found 4/28$392
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1412:15 pmBOS - KEF
1 stop16h 00mAir Canada
Sun 8/249:30 amKEF - BOS
1 stop28h 05mAir Canada
Deal found 4/28$393
This Delta deal was found by Cheapflights users on 4/28. 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 5/288:45 pmBOS - KEF
1 stop8h 45mDelta
Fri 6/611:25 amKEF - BOS
1 stop11h 40mDelta
Deal found 4/28$401
This FlightHub deal was found by Cheapflights users on 4/27. 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.
Wed 8/139:40 pmBOS - KEF
1 stop30h 35mMultiple Airlines
Thu 8/219:50 amKEF - BOS
1 stop10h 08mMultiple Airlines
Deal found 4/27$432
This Yatra.com deal was found by Cheapflights users on 4/27. 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 Yatra.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/318:59 pmBOS - KEF
1 stop8h 31mVirgin Atlantic
Mon 8/1111:25 amKEF - BOS
1 stop15h 17mVirgin Atlantic
Deal found 4/27$449
This KLM deal was found by Cheapflights users on 4/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/78:59 pmBOS - KEF
1 stop8h 31mAir France
Wed 7/169:30 amKEF - BOS
1 stop11h 22mAir France
Deal found 4/27$461
This CrystalTravel deal was found by Cheapflights users on 4/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1110:00 pmBOS - KEF
1 stop21h 35mLufthansa
Sat 5/171:15 amKEF - BOS
1 stop20h 25mLufthansa
Deal found 4/27$473

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Keflavik 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 April 28, 2025.
Use the filters below to find and compare flights from Boston to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Boston

Fly to

Keflavik Intl

Route

Depart

Return

Price

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Mon 5/12

7:15 pm-4:45 am

Nonstop5h 30m

Reykjavik Keflavik Intl

Fri 5/16

3:45 pm-5:50 pm

Nonstop6h 05m

$312

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Wed 9/24

12:35 pm-9:45 pm

Nonstop5h 10m

Reykjavik Keflavik Intl

Mon 10/6

8:10 pm-10:00 pm

Nonstop5h 50m

$336

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Wed 8/13

10:20 am-8:10 am

1 stop17h 50m

Reykjavik Keflavik Intl

Sat 8/23

9:30 am-1:24 pm

2 stops31h 54m

$374

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Wed 9/17

8:15 pm-9:30 am

1 stop9h 15m

Reykjavik Keflavik Intl

Wed 10/1

8:50 am-7:46 pm

1 stop14h 56m

$392

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Thu 8/14

5:50 am-8:15 am

2 stops22h 25m

Reykjavik Keflavik Intl

Sun 8/24

9:30 am-9:35 am

1 stop28h 05m

$393

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Wed 5/28

8:45 pm-9:30 am

1 stop8h 45m

Reykjavik Keflavik Intl

Fri 6/6

11:25 am-7:05 pm

1 stop11h 40m

$401

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Wed 9/10

5:40 pm-9:30 am

1 stop11h 50m

Reykjavik Keflavik Intl

Sun 9/14

4:10 pm-3:35 pm

2 stops27h 25m

$402

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Thu 5/29

1:00 pm-6:20 am

1 stop13h 20m

Reykjavik Keflavik Intl

Thu 6/5

9:30 am-11:56 pm

1 stop18h 26m

$414

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Thu 7/31

8:59 pm-9:30 am

1 stop8h 31m

Reykjavik Keflavik Intl

Mon 8/11

11:25 am-10:42 pm

1 stop15h 17m

$449

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Mon 7/7

8:59 pm-9:30 am

1 stop8h 31m

Reykjavik Keflavik Intl

Wed 7/16

9:30 am-4:52 pm

1 stop11h 22m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 22 results
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Compare providers for flights from Boston to Keflavik Intl

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 Boston to Keflavik Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
GotogatePrice Accuracy3 starsTrust Score*2 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 Boston-Reykjavik Keflavik Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Boston-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Boston-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Boston to Reykjavik Keflavik Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Reykjavik Keflavik Intl Airport trip
Airlines
Icelandair

Consider Icelandair’s Stopover program for a 3-7 day Iceland visit at no extra charge.


Saga Premium class includes noise-cancelling headphones and generous legroom for a comfortable journey.

Read more about Icelandairby Bill Fink
PLAY

PLAY’s Basic Plus fare includes priority boarding and one carry-on, ideal for light packers.


PLAY offers a free stopover in Reykjavik for up to 10 days on transatlantic flights.

Read more about PLAYby Victoria M. Walker
Our travel experts
Bill Fink

Bill Fink

Expert on Icelandair

Bill Fink

Bill Fink

Bill is an award-winning travel writer with extensive credits covering airlines and the aviation industry for publications including AARP, AFAR, The Points Guy and Yahoo. Based in Portland, Oregon, Bill has traveled to more than 75 countries - and been late for his flight in most of them. He once achieved top-level frequent flier status for all of American, Delta and United Airlines during a single year.

Read more
Victoria M. Walker

Victoria M. Walker

Expert on PLAY

Victoria M. Walker

Victoria M. Walker

Victoria M. Walker is an award-winning travel reporter who writes the “Carrying On” newsletter. Victoria writes about airlines and hotels and fell in love with travel after her first flight in 2014. She was raised in Virginia and is based in Brooklyn, NY. She is interested in finding the best pizza and coffee in every city she visits.

Read more

Best time to book a flight from Boston to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Boston 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 Boston to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Boston to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Keflavik Intl. Price data was last updated on April 25, 2025.

The best time to book flights from Boston to Reykjavik Keflavik Intl Airport is 47 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boston to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Boston to Reykjavik Keflavik Intl Airport (average of $328). Flying from Boston to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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 BOS to KEF?

Find hourly flight availability from Boston to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 28, 2025.

It’s optimal to fly from Boston to Reykjavik Keflavik Intl Airport at noon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Boston to Reykjavik Keflavik Intl Airport

Explore weekly flight availability from Boston to Keflavik 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 April 28, 2025.

The most flights from BOS to KEF are scheduled on a Wednesday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik 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 Keflavik Intl. Reviews last updated April 28, 2025.
Read through reviews of airlines operating flights from Boston to Reykjavik, such as Delta, KLM and SWISS. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,587 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Boston to Keflavik Intl. 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 Boston to Reykjavik Keflavik Intl?

    If you book a flight to Reykjavik Keflavik Intl from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 3 flights from Logan Intl to Reykjavik Keflavik Intl per day from 6 different airlines.

  • What are the cheapest airlines flying from Boston to Reykjavik Keflavik Intl Airport round-trip?

    Our cheapest airline available from Boston to Reykjavik Keflavik Intl Airport is PLAY. Our recent data shows that you can find tickets from as low as $310 on this airline. Additional options worth looking into are Icelandair and Delta, starting at $345 and $401 round-trip. PLAY is currently priced 24% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Boston to Reykjavik Keflavik Intl Airport one-way?

    For one-way options, check prices for PLAY. According to our data, you can fly for as low as $171. Users have also found prices from $319 and $364 on Icelandair and WestJet, respectively.

  • What are the cheapest flights from Boston to Reykjavik Keflavik Intl Airport?

    Looking at all options, your cheapest flight can be booked for $179. While the most popular route (Boston Logan Intl - Reykjavik Keflavik Intl) can be booked for $290 on average our data indicates $1,495 when flying from Boston to Reykjavik Keflavik Intl Airport.

  • Can I find deals for flights from Boston to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Boston to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Keflavik Intl?

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

  • Can I find deals for business class flights from Boston to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Boston to Keflavik 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 Boston to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Boston to Reykjavik Keflavik Intl Airport (average of $328). Flying from Boston to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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

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Keflavik

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Alternative routes for Boston to Keflavik Intl

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Hartford to Keflavik Intl flights
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Top 5 airlines flying from Boston to Keflavik Intl

Discover the top 5 airlines that operate flights from Boston to Keflavik 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 April 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$233Average$298FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$363Average$466FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$387Average$400FlexibilityNo cancel feeOn-time67%
DeltaCheapest$397Average$408FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$681Average$692FlexibilityNo cancel feeOn-time62%

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