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Keflavik Intl

$205+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KEF
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 Tuesday

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 July 28, 2025.

Round-trip from

$326
(PLAY)

One-way from

$205
(WorldTicket)

Popular in

July

Cheapest in

January

Average price

$481

Good round-trip deal

$397 or less

Good one-way deal

$194 or less
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 ($62 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 July 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 July 28, 2025.

This PLAY deal was found by Cheapflights users on 7/28. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:15 pmBOS - KEF
Nonstop5h 30mPLAY
Sun 8/313:45 pmKEF - BOS
Nonstop6h 05mPLAY
Deal found 7/28$326
This Ticket deal was found by Cheapflights users on 7/28. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/118:50 pmBOS - KEF
1 stop8h 40mVirgin Atlantic
Thu 9/1811:25 amKEF - BOS
1 stop11h 40mVirgin Atlantic
Deal found 7/28$332
This Ticket deal was found by Cheapflights users on 7/28. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:35 pmBOS - KEF
Nonstop5h 10mIcelandair
Thu 9/185:10 pmKEF - BOS
Nonstop5h 40mIcelandair
Deal found 7/28$334
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 8/266:09 amBOS - KEF
1 stop22h 21mUnited Airlines
Wed 9/39:30 amKEF - BOS
1 stop28h 00mUnited Airlines
Deal found 7/27$385
This Gotogate deal was found by Cheapflights users on 7/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:40 amBOS - KEF
2 stops17h 30mAir Canada
Thu 9/189:50 amKEF - BOS
2 stops12h 05mAir Canada
Deal found 7/28$390
This WorldTicket deal was found by Cheapflights users on 7/27. 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 WorldTicket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:15 pmBOS - KEF
Nonstop5h 30mWorldTicket
Wed 8/273:45 pmKEF - BOS
Nonstop6h 05mWorldTicket
Deal found 7/27$394

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 July 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

Wed 8/27

7:15 pm-4:45 am

Nonstop5h 30m

Reykjavik Keflavik Intl

Sun 8/31

3:45 pm-5:50 pm

Nonstop6h 05m

$326

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Thu 9/11

8:50 pm-9:30 am

1 stop8h 40m

Reykjavik Keflavik Intl

Thu 9/18

11:25 am-7:05 pm

1 stop11h 40m

$332

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Thu 9/11

12:35 pm-9:45 pm

Nonstop5h 10m

Reykjavik Keflavik Intl

Thu 9/18

5:10 pm-6:50 pm

Nonstop5h 40m

$334

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Fri 9/5

7:15 pm-4:45 am

Nonstop5h 30m

Reykjavik Keflavik Intl

Thu 9/11

3:45 pm-5:50 pm

Nonstop6h 05m

$348

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Tue 8/26

6:09 am-8:30 am

1 stop22h 21m

Reykjavik Keflavik Intl

Wed 9/3

9:30 am-9:30 am

1 stop28h 00m

$385

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Thu 9/11

10:40 am-8:10 am

2 stops17h 30m

Reykjavik Keflavik Intl

Thu 9/18

9:50 am-5:55 pm

2 stops12h 05m

$390

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Mon 8/18

7:15 pm-4:45 am

Nonstop5h 30m

Reykjavik Keflavik Intl

Wed 8/27

3:45 pm-5:50 pm

Nonstop6h 05m

$394

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Fri 8/8

7:15 pm-4:45 am

Nonstop5h 30m

$205

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Mon 8/25

6:05 am-4:50 am

2 stops18h 45m

$208

BostonReykjavik

BOS - KEF

BOSKEF

Boston Logan Intl

Sun 10/12

7:00 pm-8:15 am

2 stops33h 15m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 15 results
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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 July 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 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 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 July 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 22% 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 July 28, 2025.

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

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

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 28, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Virgin Atlantic 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.
Delta
8.0
Very good
7,975 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

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
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

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
8,892 reviews
Delta
8.0
Very good
7,975 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

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!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,975 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

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!
Air Canada
7.1
Good
9,813 reviews
Delta
8.0
Very good
7,975 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

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!
Icelandair
7.0
Good
520 reviews
Delta
8.0
Very good
7,975 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

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 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 5 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 $326 on this airline. Additional options worth looking into are Virgin Atlantic and Icelandair, starting at $332 and $334 round-trip. PLAY is currently priced 20% 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 WorldTicket. According to our data, you can fly for as low as $205. Users have also found prices from $314 and $316 on Icelandair and Air Canada, respectively.

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

    Looking at all options, your cheapest flight can be booked for $162. While the most popular route (Boston Logan Intl - Reykjavik Keflavik Intl) can be booked for $257 on average our data indicates $1,232 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 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 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 4 airlines flying from Boston to Keflavik Intl

Discover the top 4 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$233Average$294FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$346Average$459FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$400Average$493FlexibilityNo cancel feeOn-time67%
JetBlueCheapest$660Average$693FlexibilityNo cancel feeOn-time62%

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