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Keflavik Intl

$286+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KEF
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
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 Wednesday or Monday and return on a Monday

Cheap 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 June 11, 2026.

This Expedia deal was found by Cheapflights users on 6/9. 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.
Thu 7/95:30 am
BOS
-
KEF
1 stop22h 10m
Virgin Atlantic
Sun 7/128:45 am
KEF
-
BOS
1 stop31h 15m
Virgin Atlantic
Deal found 6/9$493
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 9/56:00 am
BOS
-
KEF
1 stop21h 00m
United Airlines
Fri 9/119:15 am
KEF
-
BOS
2 stops31h 32m
United Airlines
Deal found 6/9$494
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Thu 9/176:00 am
BOS
-
KEF
1 stop21h 00m
United Airlines
Tue 9/2210:00 am
KEF
-
BOS
1 stop27h 55m
United Airlines
Deal found 6/8$495
This FlightHub deal was found by Cheapflights users on 6/10. 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 9/237:40 pm
BOS
-
KEF
2 stops32h 15m
Air Canada
Sat 10/310:00 am
KEF
-
BOS
2 stops27h 50m
Air Canada
Deal found 6/10$496
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:50 pm
BOS
-
KEF
1 stop9h 05m
United Airlines
Tue 7/149:15 am
KEF
-
BOS
1 stop9h 26m
United Airlines
Deal found 6/10$497
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/239:33 am
BOS
-
KEF
2 stops19h 17m
United Airlines
Thu 10/810:00 am
KEF
-
BOS
1 stop29h 55m
United Airlines
Deal found 6/10$498
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sun 8/237:30 am
BOS
-
KEF
2 stops20h 25m
United Airlines
Thu 12/312:00 pm
KEF
-
BOS
1 stop14h 33m
United Airlines
Deal found 6/8$499
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sun 8/306:50 pm
BOS
-
KEF
1 stop9h 05m
United Airlines
Thu 9/39:15 am
KEF
-
BOS
1 stop9h 26m
United Airlines
Deal found 6/8$501
This Delta deal was found by Cheapflights users on 6/7. 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 7/142:52 pm
BOS
-
KEF
1 stop12h 08m
Delta
Fri 7/248:45 am
KEF
-
BOS
1 stop19h 14m
Delta
Deal found 6/7$502
This United Airlines deal was found by Cheapflights users on 6/8. 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 6/123:08 pm
BOS
-
KEF
2 stops13h 22m
United Airlines
Thu 6/1812:00 pm
KEF
-
BOS
2 stops33h 57m
United Airlines
Deal found 6/8$503
This Air Canada deal was found by Cheapflights users on 6/10. 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 10/16:00 am
BOS
-
KEF
2 stops21h 55m
Air Canada
Sun 10/49:15 am
KEF
-
BOS
2 stops28h 40m
Air Canada
Deal found 6/10$504

Find 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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$493
(Expedia)

One-way from

$286
(oojo)

Popular in

June

Cheapest in

January

Average price

$582

Good round-trip deal

$551 or less

Good one-way deal

$314 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
Search Deals
One-way flight from Boston Logan Intl to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Reykjavik Keflavik Intl.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Reykjavik Keflavik Intl.
Search Deals

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 June 11, 2026.
Use the filters below to find and compare flights from Boston 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

Sat 8/15

8:31 pm-8:50 am

1 stop32h 19m

Reykjavik Keflavik Intl

Sun 8/30

10:00 am-9:53 am

1 stop27h 53m

$495

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Sun 8/23

6:00 am-7:55 am

2 stops21h 55m

Reykjavik Keflavik Intl

Thu 12/3

12:00 pm-9:33 pm

1 stop14h 33m

$499

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Fri 9/18

5:55 am-7:00 am

1 stop21h 05m

Reykjavik Keflavik Intl

Sun 9/20

9:30 am-10:13 pm

1 stop16h 43m

$502

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Sat 7/11

1:35 pm-9:30 am

1 stop15h 55m

Reykjavik Keflavik Intl

Mon 7/20

9:30 am-7:11 pm

1 stop13h 41m

$502

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Tue 8/18

5:15 pm-7:40 am

1 stop10h 25m

Reykjavik Keflavik Intl

Mon 8/24

8:45 am-11:59 pm

1 stop19h 14m

$502

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Sat 9/19

7:35 pm-9:30 am

1 stop9h 55m

Reykjavik Keflavik Intl

Fri 9/25

9:30 am-11:59 pm

1 stop18h 29m

$502

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Thu 7/16

9:20 pm-9:30 am

1 stop8h 10m

Reykjavik Keflavik Intl

Wed 7/22

9:30 am-11:55 pm

1 stop18h 25m

$502

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Tue 7/7

7:10 am-7:00 am

1 stop19h 50m

Reykjavik Keflavik Intl

Tue 7/14

8:45 am-4:09 pm

1 stop11h 24m

$502

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Wed 9/23

11:58 am-7:00 am

1 stop15h 02m

Reykjavik Keflavik Intl

Sat 10/3

11:25 am-11:10 pm

1 stop15h 45m

$508

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Mon 7/6

9:05 pm-7:40 am

1 stop30h 35m

Reykjavik Keflavik Intl

Sat 7/11

11:25 am-10:43 pm

1 stop15h 18m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 24 resultsSorted by cheapest first
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3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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?

The best time to book flights from Boston to Reykjavik Keflavik Intl Airport is 7 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, January is the cheapest month in which you can book a flight from Boston to Reykjavik Keflavik Intl Airport (average of $307). Flying from Boston to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $582). 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 June 11, 2026.

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

How much does it cost to fly round-trip from Boston to Reykjavik Keflavik Intl Airport?

The best insider tips for Boston 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 Boston to Reykjavik Keflavik Intl Airport trip
Our travel experts
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
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

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 June 11, 2026.
Read reviews from past customers who have flown United Airlines,Air Canada, andIcelandair from Boston 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.
United Airlines
7.4
Good
9,809 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,809 reviews
United Airlines
7.4
Good
9,809 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
Air Canada
7.1
Good
11,165 reviews
United Airlines
7.4
Good
9,809 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
Icelandair
7.0
Good
673 reviews
United Airlines
7.4
Good
9,809 reviews

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 2 flights from Logan Intl to Reykjavik Keflavik Intl per day from 3 different airlines.

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

    United Airlines and Delta can get you from Boston to Reykjavik Keflavik Intl Airport in just under 21h 05m. Your travel time can differ by up to 11h 14m. The distance between Boston and Reykjavik Keflavik Intl Airport is about 2406 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Our cheapest airline available from Boston to Reykjavik Keflavik Intl Airport is Icelandair. Our recent data shows that you can find tickets from as low as $297 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at $407 and $458 round-trip. Icelandair is currently priced 36% below the average price you’ll pay for this route.

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

    Looking at all options, your cheapest flight can be booked for $243. While the most popular route (Boston Logan Intl - Reykjavik Keflavik Intl) can be booked for $418 on average, our data indicates $1,415 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, January is the cheapest month in which you can book a flight from Boston to Reykjavik Keflavik Intl Airport (average of $307). Flying from Boston to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $582). 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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Alternative routes for Boston to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Hartford to Keflavik Intl flights
Albany to Keflavik Intl flights

Top 3 airlines flying from Boston to Keflavik Intl

Discover the top 3 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$297Average$495FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$407Average$459FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$458Average$493FlexibilityNo cancel feeOn-time67%

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