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Keflavik Intl

$301+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KEF
May 29 — Jun 51
Fri 5/29
Fri 6/5
1 adult, Economy
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Cheap 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 April 29, 2026.

This eDestinos deal was found by Cheapflights users on 4/25. 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.
Mon 5/411:55 pm
JFK
-
KEF
Nonstop5h 35m
Virgin Atlantic
Fri 5/811:25 am
KEF
-
JFK
Nonstop6h 04m
Virgin Atlantic
Deal found 4/25$405
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.
Tue 5/126:27 pm
JFK
-
KEF
1 stop33h 13m
Virgin Atlantic
Mon 5/189:30 am
KEF
-
JFK
1 stop29h 30m
Virgin Atlantic
Deal found 4/26$411
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:55 pm
JFK
-
KEF
Nonstop5h 35m
Virgin Atlantic
Wed 5/611:25 am
KEF
-
JFK
Nonstop6h 04m
Virgin Atlantic
Deal found 4/27$412
This Ticket deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:10 am
BOS
-
KEF
1 stop23h 35m
Air Canada
Mon 6/1510:00 am
KEF
-
BOS
1 stop29h 46m
Air Canada
Deal found 4/24$413
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/261:30 pm
BOS
-
KEF
1 stop16h 00m
Delta
Thu 4/3011:25 am
KEF
-
BOS
1 stop15h 42m
Delta
Deal found 4/24$414
This eDestinos deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:55 pm
JFK
-
KEF
Nonstop5h 35m
Virgin Atlantic
Mon 9/2111:25 am
KEF
-
JFK
Nonstop6h 05m
Virgin Atlantic
Deal found 4/24$422
This Trip.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:59 pm
BOS
-
KEF
1 stop8h 31m
Virgin Atlantic
Fri 5/111:25 am
KEF
-
BOS
1 stop12h 13m
Virgin Atlantic
Deal found 4/24$425
This AirNGo 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:59 pm
BOS
-
KEF
1 stop8h 31m
Virgin Atlantic
Mon 5/119:30 am
KEF
-
BOS
1 stop13h 45m
Virgin Atlantic
Deal found 4/27$426
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:59 pm
BOS
-
KEF
1 stop8h 31m
Virgin Atlantic
Sat 5/99:30 am
KEF
-
BOS
1 stop11h 40m
Virgin Atlantic
Deal found 4/26$430
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:55 pm
JFK
-
KEF
Nonstop5h 35m
Virgin Atlantic
Wed 5/611:25 am
KEF
-
JFK
Nonstop6h 04m
Virgin Atlantic
Deal found 4/28$432
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 pm
SEA
-
KEF
Nonstop7h 25m
Icelandair
Mon 5/117:45 pm
KEF
-
SEA
Nonstop7h 55m
Icelandair
Deal found 4/27$433
This Expedia deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:55 pm
JFK
-
KEF
Nonstop5h 35m
Virgin Atlantic
Tue 9/1511:25 am
KEF
-
JFK
Nonstop6h 05m
Virgin Atlantic
Deal found 4/25$433

Find 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 April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$406
(eDestinos)

One-way from

$301
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$475

Good round-trip deal

$473 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for New York (NYC)-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Reykjavik (REK) flights.
Search Deals
From USA to Reykjavik Keflavik Intl
Search Deals
One-way flight from USA to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from USA to Reykjavik Keflavik Intl.
Search Deals
Price to beat on a one-way flight from USA to Reykjavik Keflavik Intl.
Search Deals

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 April 29, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Fri 5/29

5:45 am-8:30 am

1 stop22h 45m

Reykjavik Keflavik Intl

Wed 6/3

9:15 am-11:16 am

2 stops30h 01m

$452

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Fri 5/29

6:00 am-8:50 am

1 stop22h 50m

Reykjavik Keflavik Intl

Thu 6/4

10:00 am-5:45 pm

2 stops35h 45m

$452

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Fri 5/29

5:45 am-8:30 am

1 stop22h 45m

Reykjavik Keflavik Intl

Tue 6/2

10:00 am-9:49 am

1 stop27h 49m

$452

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Wed 6/24

10:40 am-7:55 am

1 stop17h 15m

Reykjavik Keflavik Intl

Mon 6/29

9:15 am-2:41 pm

1 stop9h 26m

$458

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Sun 6/21

6:00 am-8:50 am

1 stop22h 50m

Reykjavik Keflavik Intl

Thu 7/9

9:15 am-9:50 am

1 stop28h 35m

$465

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Mon 5/25

6:30 pm-9:30 am

1 stop11h 00m

Reykjavik Keflavik Intl

Wed 6/3

11:25 am-7:03 pm

1 stop11h 38m

$466

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Wed 8/12

7:35 am-7:00 am

1 stop19h 25m

Reykjavik Keflavik Intl

Mon 8/24

9:15 am-9:50 am

1 stop28h 35m

$467

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Mon 5/4

11:55 pm-9:30 am

Nonstop5h 35m

Reykjavik Keflavik Intl

Sat 5/9

9:30 am-11:55 pm

1 stop18h 25m

$470

New YorkReykjavik

LGA - KEF

LGAKEF

New York LaGuardia

Fri 5/8

2:54 pm-7:40 am

1 stop12h 46m

Reykjavik Keflavik Intl

Mon 5/11

9:30 am-7:00 pm

1 stop13h 30m

$474

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Thu 5/14

7:15 am-7:40 am

1 stop20h 25m

Reykjavik Keflavik Intl

Mon 5/18

9:30 am-11:55 pm

1 stop18h 25m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from USA to Reykjavik Keflavik Intl Airport. 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 USA to Reykjavik Keflavik Intl Airport?

Currently, October is the cheapest month in which you can book a flight from USA to Reykjavik Keflavik Intl Airport (average of $372). Flying from USA to Reykjavik Keflavik Intl Airport in December is currently the most expensive (average of $707). 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 April 29, 2026.

It’s typically best to fly out from USA to Reykjavik Keflavik Intl Airport in the evening. Doing so could potentially save you 13% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from USA to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from USA to Keflavik Intl. Price data was last updated on April 25, 2026.

Travelers seeking maximum savings on their USA to Reykjavik Keflavik Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights from the United States to Reykjavik delayed?

About 16% of weekly flights between United States and Reykjavik have experienced delays in the past year, with the average delay time being 186 minutes.

What is the most punctual flight time for the United States to Reykjavik flights?

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

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

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday 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 States to Reykjavik flights?

Over the last year, Icelandair have had the lowest number of delays on this route, with just 16% of flights being delayed.

The best insider tips for theUnited States to Reykjavik Keflavik Intl Airport 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 theUnited States to Reykjavik Keflavik Intl Airport trip
Our travel experts
Bill Fink

Bill Fink

Expert on Icelandair

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 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 United Airlines and Delta

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 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

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

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 29, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited Airlines 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.
Alaska Airlines
7.9
Good
12,315 reviews

Overall

7.9

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,315 reviews
Alaska Airlines
7.9
Good
12,315 reviews

Overall

7.9

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,465 reviews
Alaska Airlines
7.9
Good
12,315 reviews

Overall

7.9

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,681 reviews
Alaska Airlines
7.9
Good
12,315 reviews

Overall

7.9

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Icelandair
7.0
Good
646 reviews
Alaska Airlines
7.9
Good
12,315 reviews

Overall

7.9

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
PLAY
7.0
Good
Alaska Airlines
7.9
Good
12,315 reviews

Overall

7.9

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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.

  • How long is the flight from USA to Reykjavik Keflavik Intl Airport?

    United Airlines, Delta, and Icelandair can get you from USA to Reykjavik Keflavik Intl Airport in just under 5h 50m. Your travel time can differ by up to 16h 55m. The distance from USA to Reykjavik Keflavik Intl Airport is about 2791 mi. This flight may include one or multiple stops.

  • 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 $90. However, be on the lookout for offers from WestJet and Icelandair, 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 Boston Logan Intl - 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, October is the cheapest month in which you can book a flight from USA to Reykjavik Keflavik Intl Airport (average of $372). Flying from USA to Reykjavik Keflavik Intl Airport in December is currently the most expensive (average of $707). 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 Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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Top 10 airlines flying from USA to Keflavik Intl

Discover the top 10 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 April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$212Average$892FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$249Average$324FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$297Average$727FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$338Average$648FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$353Average$459FlexibilityNo cancel feeOn-time72%
KLMCheapest$373Average$798FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$390Average$759FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$392Average$899FlexibilityNo cancel feeOn-time69%
FinnairCheapest$409Average$671FlexibilityNo cancel feeOn-time76%
WestJetCheapest$538Average$1,020FlexibilityNo cancel feeOn-time60%

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