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Keflavik Intl

$124+ Cheap flights from the United States 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KEF
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from USA to Keflavik Intl

Keep the following information in mind while searching for USA to Keflavik Intl flight deals. Data was last updated July 3, 2025.

Round-trip from

$332
(Cheapflightsfares)

One-way from

$124
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$495

Good round-trip deal

$295 or less

Good one-way deal

$128 or less
From USA to Reykjavik Keflavik Intl
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One-way flight from USA to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 9% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from USA to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from USA to Reykjavik Keflavik Intl.
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Find flight deals from USA to Keflavik Intl

Cheapest flights from USA to Keflavik Intl
Explore the most affordable flight options available from USA to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/68:50 pmBOS - KEF
Nonstop5h 15mIcelandair
Wed 8/138:10 pmKEF - BOS
Nonstop5h 50mIcelandair
Deal found 7/3$332
This Flightnetwork deal was found by Cheapflights users on 7/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1710:35 amBOS - KEF
1 stop17h 40mAir Canada
Sun 8/249:50 amKEF - BOS
1 stop12h 18mAir Canada
Deal found 7/3$334
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:15 pmBOS - KEF
Nonstop5h 30mPLAY
Mon 8/113:45 pmKEF - BOS
Nonstop6h 05mPLAY
Deal found 7/1$335
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/155:50 amBOS - KEF
1 stop22h 30mUnited Airlines
Fri 8/229:30 amKEF - BOS
2 stops31h 54mUnited Airlines
Deal found 7/1$339
This PLAY deal was found by Cheapflights users on 7/3. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:50 pmBWI - KEF
Nonstop6h 05mPLAY
Sat 8/233:05 pmKEF - BWI
Nonstop6h 35mPLAY
Deal found 7/3$339
This FlightHub deal was found by Cheapflights users on 7/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2811:10 pmJFK - KEF
Nonstop5h 45mIcelandair
Sun 10/57:55 pmKEF - JFK
Nonstop6h 15mIcelandair
Deal found 7/3$341
This Travelis deal was found by Cheapflights users on 7/3. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/184:45 pmLGA - KEF
1 stop11h 30mAir Canada
Tue 8/269:50 amKEF - LGA
1 stop10h 03mAir Canada
Deal found 7/3$342
This Icelandair deal was found by Cheapflights users on 7/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/198:30 pmBWI - KEF
Nonstop5h 55mIcelandair
Wed 8/275:00 pmKEF - BWI
Nonstop6h 25mIcelandair
Deal found 7/2$342
This Delta deal was found by Cheapflights users on 7/1. 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.
Tue 9/3012:59 pmJFK - KEF
1 stop13h 21mDelta
Mon 10/611:25 amKEF - JFK
Nonstop6h 05mDelta
Deal found 7/1$343
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/67:20 amLGA - KEF
1 stop21h 10mUnited Airlines
Wed 8/209:30 amKEF - LGA
1 stop26h 32mUnited Airlines
Deal found 7/1$344
This lastminute.com deal was found by Cheapflights users on 7/2. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/188:50 pmBOS - KEF
1 stop8h 40mVirgin Atlantic
Wed 8/2711:25 amKEF - BOS
1 stop11h 10mVirgin Atlantic
Deal found 7/2$345
This Booking.com deal was found by Cheapflights users on 7/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:55 amJFK - KEF
2 stops21h 15mAir Canada
Wed 8/209:30 amKEF - JFK
2 stops17h 19mAir Canada
Deal found 7/1$345

Cheapflights Fare Finder

Customize your flight search to find flights from USA 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 July 3, 2025.
Use the filters below to find and compare flights from the United States to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

USA

Fly to

Keflavik Intl

Route

Depart

Return

Price

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Wed 8/6

8:50 pm-6:05 am

Nonstop5h 15m

Reykjavik Keflavik Intl

Wed 8/13

8:10 pm-10:00 pm

Nonstop5h 50m

$332

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Sun 8/17

10:35 am-8:15 am

1 stop17h 40m

Reykjavik Keflavik Intl

Sun 8/24

9:50 am-6:08 pm

1 stop12h 18m

$334

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Mon 8/4

7:15 pm-4:45 am

Nonstop5h 30m

Reykjavik Keflavik Intl

Mon 8/11

3:45 pm-5:50 pm

Nonstop6h 05m

$335

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Fri 8/15

5:50 am-8:20 am

1 stop22h 30m

Reykjavik Keflavik Intl

Fri 8/22

9:30 am-1:24 pm

2 stops31h 54m

$339

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Wed 8/20

6:50 pm-4:55 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Sat 8/23

3:05 pm-5:40 pm

Nonstop6h 35m

$339

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Sun 9/28

11:10 pm-8:55 am

Nonstop5h 45m

Reykjavik Keflavik Intl

Sun 10/5

7:55 pm-10:10 pm

Nonstop6h 15m

$341

New YorkReykjavik

LGA - KEF

LGAKEF

New York LaGuardia

Mon 8/18

4:45 pm-8:15 am

1 stop11h 30m

Reykjavik Keflavik Intl

Tue 8/26

9:50 am-3:53 pm

1 stop10h 03m

$342

BaltimoreReykjavik

BWI - KEF

BWIKEF

Baltimore/Washington

Tue 8/19

8:30 pm-6:25 am

Nonstop5h 55m

Reykjavik Keflavik Intl

Thu 8/28

5:00 pm-7:25 pm

Nonstop6h 25m

$342

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Tue 9/30

12:59 pm-6:20 am

1 stop13h 21m

Reykjavik Keflavik Intl

Mon 10/6

11:25 am-1:30 pm

Nonstop6h 05m

$343

New YorkReykjavik

LGA - KEF

LGAKEF

New York LaGuardia

Wed 8/6

7:20 am-8:30 am

1 stop21h 10m

Reykjavik Keflavik Intl

Wed 8/20

9:30 am-8:02 am

1 stop26h 32m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 60 results
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The best insider tips for theUnited States 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 theUnited States to Reykjavik Keflavik Intl Airport trip
Airlines
Icelandair

Icelandair's Saga Premium offers wide aisles, generous legroom, and Icelandic cuisine.


Icelandair's Stopover Program allows a 3-7 day Iceland stop at no extra charge.

Read more about Icelandairby Bill Fink
PLAY

PLAY Basic Plus includes priority boarding and a carry-on for budget travelers.


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

Read more about PLAYby Victoria M. Walker
Delta

Delta's Comfort Plus offers extra legroom, early boarding, and upgraded snacks on international flights.


Delta One offers flat-bed seats with duvets and lumbar pillows on long-haul routes.

Read more about Deltaby Harriet Baskas
United Airlines

United's Polaris Business Class offers lie-flat seats, Saks Fifth Avenue bedding, and priority check-in.


United's Economy Plus offers extra legroom and priority boarding on international flights.

Read more about United Airlinesby Harriet Baskas
KLM

KLM's Economy Comfort offers 4 extra inches of legroom on long-haul flights.


KLM's premium economy offers extra width, legroom, and upgraded service in a mini-cabin.

Read more about KLMby Gabriel Leigh
Air Canada

Air Canada's Signature Class offers lie-flat seats and access to Signature Suite lounges.


Air Canada's Preferred Seats offer up to 4 extra inches of space in exit rows.

Read more about Air Canadaby Jessica Macdonald
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
Harriet Baskas

Harriet Baskas

Expert on Delta and United Airlines

Harriet Baskas

Harriet Baskas

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

Read more
Gabriel Leigh

Gabriel Leigh

Expert on KLM

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more

Best time to book a flight from USA to Keflavik Intl

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

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

Currently, November is the cheapest month in which you can book a flight from USA to Reykjavik Keflavik Intl Airport (average of $328). Flying from USA to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $653). 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 US to KEF?

Find hourly flight availability from USA 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 July 3, 2025.

When flying from USA to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 3, 2025.
Read reviews from past customers who have flown Delta, KLM, and Finnair from the United States to Reykjavik Keflavik Intl Airport. 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
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,306 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from USA 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 are the cheapest airlines to fly from USA to Reykjavik Keflavik Intl Airport one-way?

    The cheapest airline one-way is PLAY, with whom users have recently found tickets for as low as $124. However, be on the lookout for offers from WestJet and WorldTicket, as they are both options that can get you from USA to Reykjavik Keflavik Intl Airport for a low price.

  • What are the most popular routes from USA to Reykjavik Keflavik Intl Airport?

    Most travelers choose Newark - Reykjavik Keflavik Intl, New York John F Kennedy Intl - Reykjavik Keflavik Intl or New York LaGuardia - Reykjavik Keflavik Intl when deciding on the best route from USA to Reykjavik Keflavik Intl Airport.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from USA to Reykjavik Keflavik Intl Airport (average of $328). Flying from USA to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $653). 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 the United States?

Book flights to the United States if you plan to visit one of these locations
Keflavik
Hveragerdi

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Top 9 airlines flying from USA to Keflavik Intl

Discover the top 9 airlines that operate flights from USA 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$232Average$359FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$323Average$868FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$349Average$786FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$371Average$835FlexibilityNo cancel feeOn-time72%
KLMCheapest$371Average$865FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$379Average$825FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$400Average$684FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$424Average$917FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$507Average$849FlexibilityNo cancel feeOn-time71%

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