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$322+ Cheap flights from Keflavik Intl (KEF) to Boston (BOS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BOS
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Boston (BOS). 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$322
(Ticket)

Popular in

February

Cheapest in

December

Average price

$595

Good round-trip deal

$892 or less

Good one-way deal

$527 or less
Provider with most accurate pricing for Reykjavik Keflavik Intl-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Boston Logan Intl flights.
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From Reykjavik Keflavik Intl to Boston Logan Intl
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Highest demand for flights based on searches. 15% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Boston Logan Intl.
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Price to beat on a one-way flight from Reykjavik Keflavik Intl to Boston Logan Intl.
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Find flight deals from Keflavik Intl to Boston

Cheapest flights from Keflavik Intl to Boston
Explore the most affordable flight options available from Keflavik Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Ticket deal was found by Cheapflights users on 10/29. 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.
Sat 11/225:00 pmKEF - BOS
Nonstop5h 50mIcelandair
Sat 11/2911:35 amBOS - KEF
Nonstop5h 10mIcelandair
Deal found 10/29$322
This Booking.com deal was found by Cheapflights users on 10/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/225:00 pmKEF - BOS
Nonstop5h 50mIcelandair
Fri 11/287:50 pmBOS - KEF
Nonstop5h 15mIcelandair
Deal found 10/28$341
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:00 pmKEF - BOS
Nonstop5h 50mIcelandair
Sat 11/1511:35 amBOS - KEF
Nonstop5h 10mIcelandair
Deal found 10/27$380
This FlightHub deal was found by Cheapflights users on 10/27. 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 12/105:00 pmKEF - BOS
Nonstop5h 50mIcelandair
Wed 12/1711:35 amBOS - KEF
Nonstop5h 10mIcelandair
Deal found 10/27$454
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:00 pmKEF - BOS
Nonstop5h 50mIcelandair
Fri 12/1911:35 amBOS - KEF
Nonstop5h 10mIcelandair
Deal found 10/28$468
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:55 amKEF - BOS
Nonstop5h 40mIcelandair
Thu 12/411:35 amBOS - KEF
Nonstop5h 10mIcelandair
Deal found 10/28$541
This Icelandair deal was found by Cheapflights users on 10/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:00 pmKEF - BOS
Nonstop5h 50mMultiple Airlines
Wed 12/1712:20 pmBOS - KEF
1 stop13h 10mMultiple Airlines
Deal found 10/27$617
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:00 pmKEF - BOS
Nonstop5h 50mIcelandair
Sat 11/1512:20 pmBOS - KEF
1 stop13h 15mIcelandair
Deal found 10/27$622
This Ticket deal was found by Cheapflights users on 10/28. 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.
Sat 11/159:55 amKEF - BOS
Nonstop5h 40mMultiple Airlines
Sun 11/2310:20 amBOS - KEF
1 stop15h 05mMultiple Airlines
Deal found 10/28$656

Cheapflights Fare Finder

 
Customize your flight search to find flights from Keflavik Intl to Boston 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 October 29, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Boston that are best for you.

Fly from

Keflavik Intl

Fly to

Boston

Route

Depart

Return

Price

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Sat 11/22

9:55 am-10:35 am

Nonstop5h 40m

Boston Logan Intl

Sat 11/29

11:35 am-9:45 pm

Nonstop5h 10m

$340

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Sat 11/22

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Fri 11/28

7:50 pm-6:05 am

Nonstop5h 15m

$341

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Wed 12/10

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Wed 12/17

11:35 am-9:45 pm

Nonstop5h 10m

$454

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Fri 4/3

8:20 pm-10:10 pm

Nonstop5h 50m

Boston Logan Intl

Sun 4/5

11:30 pm-8:40 am

Nonstop5h 10m

$579

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Wed 12/10

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Wed 12/17

12:20 pm-6:30 am

1 stop13h 10m

$617

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Sat 11/15

9:55 am-10:35 am

Nonstop5h 40m

Boston Logan Intl

Sun 11/23

7:20 pm-6:30 am

1 stop30h 10m

$622

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Sat 11/8

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Sat 11/15

12:20 pm-6:35 am

1 stop13h 15m

$622

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Thu 11/13

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Mon 11/17

2:10 pm-6:30 am

1 stop11h 20m

$659

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Sat 11/22

9:55 am-10:35 am

Nonstop5h 40m

Boston Logan Intl

Sat 11/29

8:00 pm-11:15 am

1 stop34h 15m

$665

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Sat 11/22

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Fri 11/28

1:41 pm-6:10 am

1 stop11h 29m

$686

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 23 results
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Compare providers for flights from Keflavik Intl to Boston

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 Keflavik Intl to Boston in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 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 Reykjavik Keflavik Intl Airport-Boston flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Reykjavik Keflavik Intl Airport-Boston flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Reykjavik Keflavik Intl Airport-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Boston flights, Cheapflights users trust eDreams the most. eDreams 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 Reykjavik Keflavik Intl Airport-Boston 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 Keflavik Intl to Boston

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

What is the cheapest time of day to fly from KEF to BOS?

Find hourly flight availability from Keflavik Intl to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

When flying from Reykjavik Keflavik Intl Airport to Boston, 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 Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated October 29, 2025.
See what other customers who have flown with Icelandair and PLAY from Reykjavik Keflavik Intl Airport to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.1
Good
562 reviews

Overall

7.1

Boarding

7.2

Comfort

6.9

Crew

8.1

Food

6.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
Icelandair
7.1
Good
562 reviews
Icelandair
7.1
Good
562 reviews

Overall

7.1

Boarding

7.2

Comfort

6.9

Crew

8.1

Food

6.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
PLAY
7.0
Good
Icelandair
7.1
Good
562 reviews

Overall

7.1

Boarding

7.2

Comfort

6.9

Crew

8.1

Food

6.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient

Related info for your journey

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

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly into when you book flights from Reykjavik Keflavik Intl to Boston. 2 airlines have flights to Logan Intl from Reykjavik Keflavik Intl on a regular basis. Booking flights from Reykjavik Keflavik Intl to Boston Logan Intl should not be difficult; the airport handles an average of 0 inbound flights from Reykjavik Keflavik Intl per day.

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

    There are many flights that can get you from Reykjavik Keflavik Intl Airport to Boston in 5h 40m. Fly via Icelandair to get the fastest option. There are 2406 mi between Reykjavik Keflavik Intl Airport and Boston. Most flights are nonstop.

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

    Flying on PLAY is currently your cheapest option to Boston, with prices starting at $236. Another option worth looking into is Icelandair, starting at $434 round trip. PLAY is priced at 52% lower than the current average price of a flight leaving 3 months from now.

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

    On average you can expect to pay $1,050 for a flight from Reykjavik Keflavik Intl Airport to Boston. The cheapest flight overall is $443 while the most popular route, (Reykjavik Keflavik Intl - Boston Logan Intl) is currently priced at $306.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Keflavik Intl to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 2 airlines flying from Keflavik Intl to Boston

Discover the top 2 airlines that operate flights from Keflavik Intl to Boston. 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$236Average$353FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$434Average$514FlexibilityNo cancel feeOn-time76%

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