HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$326+ Cheap flights from Keflavik Intl (KEF) to Boston (BOS)

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BOS
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Keflavik Intl to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 3, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:00 pmKEF - BOS
Nonstop5h 50mIcelandair
Wed 12/107:50 pmBOS - KEF
Nonstop5h 15mIcelandair
Deal found 12/2$495
This Icelandair deal was found by Cheapflights users on 12/2. 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 12/25:00 pmKEF - BOS
Nonstop5h 50mIcelandair
Sat 12/67:50 pmBOS - KEF
Nonstop5h 15mIcelandair
Deal found 12/2$524
This Justfly.com deal was found by Cheapflights users on 12/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:50 pmKEF - BOS
1 stop12h 13mMultiple Airlines
Wed 12/107:50 pmBOS - KEF
Nonstop5h 15mMultiple Airlines
Deal found 12/2$642
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:55 amKEF - BOS
Nonstop5h 40mIcelandair
Sat 12/277:50 pmBOS - KEF
Nonstop5h 15mIcelandair
Deal found 12/2$788
This Gotogate deal was found by Cheapflights users on 12/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:00 pmKEF - BOS
Nonstop5h 50mIcelandair
Thu 12/257:50 pmBOS - KEF
Nonstop5h 15mIcelandair
Deal found 12/1$795
This Icelandair deal was found by Cheapflights users on 12/2. 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 12/25:00 pmKEF - BOS
Nonstop5h 50mMultiple Airlines
Sat 12/69:20 amBOS - KEF
1 stop16h 10mMultiple Airlines
Deal found 12/2$842
This Icelandair deal was found by Cheapflights users on 12/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:00 pmKEF - BOS
Nonstop5h 50mMultiple Airlines
Thu 12/256:10 amBOS - KEF
1 stop19h 20mMultiple Airlines
Deal found 12/1$853

Find 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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$403
(Mytrip)

One-way from

$326
(Kiwi.com)

Popular in

February

Cheapest in

October

Average price

$309

Good round-trip deal

$704 or less

Good one-way deal

$503 or less
Provider with most accurate pricing for Reykjavik Keflavik Intl-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Boston Logan Intl flights.
Search Deals
From Reykjavik Keflavik Intl to Boston Logan Intl
Search Deals
One-way flight from Reykjavik Keflavik Intl to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($170 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Reykjavik Keflavik Intl to Boston Logan Intl.
Search Deals

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 December 3, 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

Wed 2/11

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Sun 2/15

7:50 pm-6:05 am

Nonstop5h 15m

$403

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Fri 1/23

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Mon 1/26

7:50 pm-6:05 am

Nonstop5h 15m

$525

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Mon 1/12

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Sun 1/18

12:15 pm-6:10 am

1 stop12h 55m

$550

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Wed 2/11

4:50 pm-12:16 am

1 stop12h 26m

Boston Logan Intl

Sun 2/15

7:50 pm-6:05 am

Nonstop5h 15m

$560

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Thu 1/15

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Wed 1/21

12:15 pm-6:10 am

1 stop12h 55m

$566

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Wed 1/21

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Wed 1/28

1:40 pm-6:10 am

1 stop11h 30m

$646

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Fri 1/16

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Fri 1/23

3:20 pm-6:30 am

1 stop10h 10m

$653

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Sat 1/17

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Sat 1/24

2:50 pm-6:30 am

1 stop10h 40m

$653

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Fri 3/20

5:00 pm-6:50 pm

Nonstop5h 50m

Boston Logan Intl

Mon 3/23

2:10 pm-6:10 am

1 stop12h 00m

$665

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Thu 1/15

3:10 pm-6:35 pm

1 stop32h 25m

Boston Logan Intl

Wed 1/21

4:15 pm-2:15 pm

2 stops17h 00m

$686

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 21 results
1
2
3

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 December.
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 December 3, 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.

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. 0 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 1 inbound flight 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 50m. 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 flights from Reykjavik Keflavik Intl Airport to Boston?

    On average you can expect to pay $695 for a flight from Reykjavik Keflavik Intl Airport to Boston. The cheapest flight overall is $427 while the most popular route, (Reykjavik Keflavik Intl - Boston Logan Intl) is currently priced at $402.

  • 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Cranston
Lincoln
Lowell
Smithfield
Peabody
Brockton
Quincy
York Beach
Warwick
Londonderry
Swansea
Old Orchard Beach
Waltham
Chelsea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Keflavik Intl to Boston

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.