$448+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BOS
Nov 13 — Nov 201
Round-trip
1 adult, Economy
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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
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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
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Cheapest flights from Keflavik Intl to BostonExplore 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 14, 2026.
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 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:00 pm -
Nonstop5h 50m
Tue 12/17:50 pm -
Nonstop5h 15m
Deal found 10/9![Icelandair logo]()
$534
This Booking.com deal was found by Cheapflights users on 10/12. 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.
Mon 12/75:00 pm -
Nonstop5h 50m
Tue 12/157:50 pm -
Nonstop5h 15m
Deal found 10/12![Icelandair logo]()
$550
This Gotogate deal was found by Cheapflights users on 10/11. 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.
Sat 11/215:00 pm -
Nonstop5h 50m
Fri 11/277:50 pm -
Nonstop5h 15m
Deal found 10/11![Icelandair logo]()
$553
This Gotogate deal was found by Cheapflights users on 10/12. 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 11/265:00 pm -
Nonstop5h 50m
Thu 12/37:50 pm -
Nonstop5h 15m
Deal found 10/12![Icelandair logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:00 pm -
Nonstop5h 50m
Sun 11/297:50 pm -
Nonstop5h 15m
Deal found 10/12![Icelandair logo]()
$616
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:10 pm -
Nonstop5h 40m
Fri 4/3011:00 pm -
Nonstop5h 10m
Deal found 10/13![Icelandair logo]()
$621
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:10 pm -
Nonstop5h 40m
Fri 4/308:50 pm -
Nonstop5h 15m
Deal found 10/13![Icelandair logo]()
$622
Best flights from Keflavik Intl to BostonDiscover carefully curated flight deals from Keflavik Intl to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
Discover carefully curated flight deals from Keflavik Intl to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 10/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:55 am -
2 stops32h 50m
Tue 12/15:35 pm -
1 stop12h 15m
Deal found 10/10![Scandinavian Airlines logo]()
$708
This Icelandair deal was found by Cheapflights users on 10/9. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:00 pm -
Nonstop5h 50m
Tue 12/111:20 am -
1 stop14h 10m
Deal found 10/9![Multiple Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 10/11. 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 11/2112:00 pm -
1 stop16h 58m
Fri 11/2710:30 am -
2 stops18h 30m
Deal found 10/11![United Airlines logo]()
$772
This Icelandair deal was found by Cheapflights users on 10/12. 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.
Thu 11/265:00 pm -
1 stop21h 40m
Thu 12/37:50 pm -
Nonstop5h 15m
Deal found 10/12![Multiple Airlines logo]()
$762
This United Airlines deal was found by Cheapflights users on 10/14. 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 12/712:00 pm -
1 stop14h 53m
Tue 12/157:33 pm -
2 stops33h 27m
Deal found 10/14![United Airlines logo]()
$784
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Mon 11/2312:00 pm -
2 stops24h 43m
Tue 12/17:01 pm -
2 stops33h 59m
Deal found 10/9![United Airlines logo]()
$784
Last-minute flights from Keflavik Intl to BostonDiscover last-minute flight deals from Keflavik Intl to Boston. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from Keflavik Intl to Boston. Data last updated October 14, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/13. 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.
Mon 10/197:55 pm -
Nonstop5h 50m
Fri 4/3011:00 pm -
Nonstop5h 10m
Deal found 10/13![Icelandair logo]()
$719
This Delta deal was found by Cheapflights users on 10/12. 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 10/2011:25 am -
1 stop24h 03m
Wed 4/288:45 pm -
1 stop8h 45m
Deal found 10/12![Delta logo]()
$720
This Delta deal was found by Cheapflights users on 10/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:25 am -
1 stop23h 50m
Sun 5/21:00 pm -
1 stop16h 30m
Deal found 10/10![Delta logo]()
$721
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:10 pm -
Nonstop5h 40m
Fri 4/3011:00 pm -
Nonstop5h 10m
Deal found 10/13![Icelandair logo]()
$621
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:10 pm -
Nonstop5h 40m
Sun 5/211:00 pm -
Nonstop5h 10m
Deal found 10/13![Icelandair logo]()
$647
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:10 pm -
Nonstop5h 40m
Sat 5/111:00 pm -
Nonstop5h 10m
Deal found 10/14![Icelandair logo]()
$648
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:10 pm -
Nonstop5h 40m
Fri 4/308:50 pm -
Nonstop5h 15m
Deal found 10/13![Icelandair logo]()
$622
This Icelandair deal was found by Cheapflights users on 10/13. 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.
Thu 10/225:10 pm -
Nonstop5h 40m
Wed 11/47:50 pm -
Nonstop5h 15m
Deal found 10/13![Icelandair logo]()
$692
One-way flights from Keflavik Intl to BostonSearch for one-way flight options from Keflavik Intl to Boston. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
Search for one-way flight options from Keflavik Intl to Boston. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
This Mytrip deal was found by Cheapflights users on 10/12. 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.
Sat 10/315:00 pm -
Nonstop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Icelandair logo]()
$448
This Gotogate deal was found by Cheapflights users on 10/14. 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.
Sat 11/215:00 pm -
Nonstop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Icelandair logo]()
$450
This Mytrip deal was found by Cheapflights users on 10/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/155:00 pm -
Nonstop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Icelandair logo]()
$451
This Flightnetwork deal was found by Cheapflights users on 10/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:00 pm -
Nonstop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Icelandair logo]()
$453
This Booking.com deal was found by Cheapflights users on 10/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:00 pm -
Nonstop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Icelandair logo]()
$454
This Mytrip deal was found by Cheapflights users on 10/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:00 pm -
Nonstop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Icelandair logo]()
$455
This oojo deal was found by Cheapflights users on 10/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:00 pm -
Nonstop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Icelandair logo]()
$456
This Mytrip deal was found by Cheapflights users on 10/13. 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.
Wed 10/215:10 pm -
Nonstop5h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Icelandair logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:00 pm -
Nonstop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Icelandair logo]()
$467
This lol.travel deal was found by Cheapflights users on 10/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1110:00 am -
2 stops17h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Finnair logo]()
$469
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 October 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $534 (Kiwi.com) |
One-way from | $448 (Mytrip) |
Popular in | December |
Cheapest in | November |
Average price | $585 |
Good round-trip deal | $658 or less |
Good one-way deal | $529 or less |
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 7,457,451 searches. Data last updated October 14, 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ReykjavikBoston
KEF Reykjavik Keflavik Intl - BOS Boston Logan Intl
KEFBOS
Reykjavik Keflavik Intl
Fri 10/30
5:00 pm-6:50 pm
Nonstop5h 50m
Boston Logan Intl
Wed 12/31
12:00 am-5:00 am
Nonstop0h 00m
$454
ReykjavikBoston
KEF Reykjavik Keflavik Intl - BOS Boston Logan Intl
KEFBOS
Reykjavik Keflavik Intl
Thu 10/29
5:00 pm-6:50 pm
Nonstop5h 50m
Boston Logan Intl
Wed 12/31
12:00 am-5:00 am
Nonstop0h 00m
$478
ReykjavikBoston
KEF Reykjavik Keflavik Intl - BOS Boston Logan Intl
KEFBOS
Reykjavik Keflavik Intl
Sun 1/10
10:00 am-10:50 pm
2 stops17h 50m
Boston Logan Intl
Wed 12/31
12:00 am-5:00 am
Nonstop0h 00m
$498
ReykjavikBoston
KEF Reykjavik Keflavik Intl - BOS Boston Logan Intl
KEFBOS
Reykjavik Keflavik Intl
Sat 3/13
10:00 am-10:54 pm
2 stops17h 54m
Boston Logan Intl
Wed 12/31
12:00 am-5:00 am
Nonstop0h 00m
$498
ReykjavikBoston
KEF Reykjavik Keflavik Intl - BOS Boston Logan Intl
KEFBOS
Reykjavik Keflavik Intl
Mon 2/1
10:00 am-10:50 pm
2 stops17h 50m
Boston Logan Intl
Wed 12/31
12:00 am-5:00 am
Nonstop0h 00m
$498
ReykjavikBoston
KEF Reykjavik Keflavik Intl - BOS Boston Logan Intl
KEFBOS
Reykjavik Keflavik Intl
Tue 12/1
6:00 pm-9:50 pm
2 stops32h 50m
Boston Logan Intl
Wed 12/31
12:00 am-5:00 am
Nonstop0h 00m
$510
ReykjavikBoston
KEF Reykjavik Keflavik Intl - BOS Boston Logan Intl
KEFBOS
Reykjavik Keflavik Intl
Tue 11/10
5:00 pm-8:20 am
1 stop20h 20m
Boston Logan Intl
Wed 12/31
12:00 am-5:00 am
Nonstop0h 00m
$665
ReykjavikBoston
KEF Reykjavik Keflavik Intl - BOS Boston Logan Intl
KEFBOS
Reykjavik Keflavik Intl
Sat 10/24
5:00 pm-8:05 am
1 stop19h 05m
Boston Logan Intl
Wed 12/31
12:00 am-5:00 am
Nonstop0h 00m
$668
ReykjavikBoston
KEF Reykjavik Keflavik Intl - BOS Boston Logan Intl
KEFBOS
Reykjavik Keflavik Intl
Thu 10/29
5:00 pm-12:10 am
1 stop11h 10m
Boston Logan Intl
Wed 12/31
12:00 am-5:00 am
Nonstop0h 00m
$669
ReykjavikBoston
KEF Reykjavik Keflavik Intl - BOS Boston Logan Intl
KEFBOS
Reykjavik Keflavik Intl
Mon 11/23
11:55 am-3:45 pm
2 stops32h 50m
Boston Logan Intl
Tue 12/1
5:35 pm-10:50 am
1 stop12h 15m
$708
Showing 1-10 of 15 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Reykjavik Keflavik Intl Airport-Boston flight deals on Cheapflights vs. FlightHub >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 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 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.
KEF-BOS
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
Prices
Airlines
Delays
How often are flights from Reykjavik to Boston delayed?
About 9% of weekly flights between Reykjavik and Boston have experienced delays in the past year, with the average delay time being 135 minutes.
What is the most punctual flight time for Reykjavik to Boston flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon 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 Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Reykjavik to Boston flights?
Over the last year, Icelandair have had the lowest number of delays on this route, with just 9% of flights being delayed.
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 14, 2026.
See what other customers who have flown with Icelandair 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.
Boarding
7.2
Entertainment
6.9
Overall
6.9
Comfort
6.9
Crew
8.0
Food
6.1
Reviews
1 / 20
10.0
ExcellentVictoria,Sep 2026
KEF - EWR
Boarding
7.2
Entertainment
6.9
Overall
6.9
Comfort
6.9
Crew
8.0
Food
6.1
Reviews
1 / 20
10.0
ExcellentVictoria,Sep 2026
KEF - EWR
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.
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Keflavik Intl and Boston flights
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Popular flight searches
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Top airline flying from Keflavik Intl to Boston
Discover the top airline 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 7,457,451 searches. Data last updated October 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$484 | Average$658 | FlexibilityNo cancel fee | On-time76% |