Cheap flights from Boston to Reykjavik Keflavik Intl Airport from £273
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KEF
26 Oct — 2 Nov1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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 Friday or Saturday and return on a Monday
Cheap flight deals from Boston to Keflavik Intl
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
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 26 September 2026.
Thu 1/1014:54 -
1 stop12h 06m
Sun 4/1011:25 -
1 stop15h 45m
Deal found 25/9£280
Thu 1/1011:58 -
1 stop15h 02m
Sun 4/1011:25 -
1 stop15h 45m
Deal found 25/9£282
Sun 25/1020:50 -
Nonstop5h 15m
Mon 2/1117:00 -
Nonstop5h 50m
Deal found 25/9£319
Sat 12/1219:50 -
Nonstop5h 15m
Wed 16/1217:00 -
Nonstop5h 50m
Deal found 22/9£339
Sun 11/1021:20 -
1 stop8h 10m
Fri 23/1011:25 -
1 stop15h 43m
Deal found 24/9£340
Sat 17/1020:31 -
1 stop32h 19m
Thu 22/1010:00 -
1 stop27h 55m
Deal found 22/9£345
Sun 25/1005:30 -
2 stops24h 30m
Mon 2/1112:00 -
2 stops26h 17m
Deal found 24/9£348
Sat 24/1020:50 -
Nonstop5h 15m
Thu 29/1017:00 -
Nonstop5h 50m
Deal found 25/9£351
Sun 15/1109:12 -
1 stop19h 48m
Sat 21/1112:00 -
1 stop16h 58m
Deal found 23/9£356
Best flights from Boston to Keflavik Intl
Discover carefully curated flight deals from Boston to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 September 2026.
Sun 25/1006:00 -
1 stop24h 00m
Mon 2/1112:00 -
1 stop30h 59m
Deal found 23/9£349
Fri 16/1019:05 -
1 stop9h 40m
Tue 20/1000:10 -
1 stop17h 40m
Deal found 24/9£459
Tue 20/1020:50 -
Nonstop5h 15m
Fri 30/1016:45 -
1 stop28h 20m
Deal found 24/9£505
Fri 12/221:30 -
2 stops30h 45m
Thu 18/218:00 -
2 stops30h 40m
Deal found 23/9£531
Sat 24/1017:50 -
1 stop13h 00m
Wed 28/1018:05 -
1 stop26h 40m
Deal found 24/9£548
Sun 8/1109:12 -
1 stop19h 48m
Sat 14/1112:00 -
1 stop14h 30m
Deal found 22/9£425
Fri 6/1107:30 -
2 stops28h 45m
Mon 9/1110:00 -
2 stops18h 44m
Deal found 24/9£582
Tue 20/1015:35 -
1 stop12h 20m
Sat 31/1012:00 -
2 stops24h 43m
Deal found 24/9£541
Tue 3/1119:15 -
2 stops33h 00m
Sun 8/1110:00 -
2 stops18h 44m
Deal found 25/9£582
Direct flights from Boston to Keflavik Intl
Explore direct flight options from Boston to Keflavik Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 26 September 2026.
Sun 25/1020:50 -
Nonstop5h 15m
Mon 2/1117:00 -
Nonstop5h 50m
Deal found 25/9£319
Sat 12/1219:50 -
Nonstop5h 15m
Wed 16/1217:00 -
Nonstop5h 50m
Deal found 22/9£339
Sat 24/1020:50 -
Nonstop5h 15m
Thu 29/1017:00 -
Nonstop5h 50m
Deal found 25/9£351
Sun 25/1023:40 -
Nonstop5h 10m
Fri 30/1017:00 -
Nonstop5h 50m
Deal found 24/9£386
Sun 25/1023:40 -
Nonstop5h 10m
Sun 1/1117:00 -
Nonstop5h 50m
Deal found 24/9£397
Sun 6/1219:50 -
Nonstop5h 15m
Thu 31/1217:00 -
Nonstop5h 50m
Deal found 26/9£405
Sat 24/1020:50 -
Nonstop5h 15m
Mon 2/1117:00 -
Nonstop5h 50m
Deal found 24/9£409
Fri 20/1119:50 -
Nonstop5h 15m
Thu 26/1117:00 -
Nonstop5h 50m
Deal found 23/9£424
Sat 24/1020:50 -
Nonstop5h 15m
Sun 1/1117:00 -
Nonstop5h 50m
Deal found 24/9£466
Thu 19/1119:50 -
Nonstop5h 15m
Thu 26/1117:00 -
Nonstop5h 50m
Deal found 23/9£471
Thu 22/1020:50 -
Nonstop5h 15m
Fri 30/1017:00 -
Nonstop5h 50m
Deal found 25/9£477
Last-minute flights from Boston to Keflavik Intl
Discover last-minute flight deals from Boston to Keflavik Intl. Data last updated 26 September 2026 and is based on user searches.
Thu 1/1014:54 -
1 stop12h 06m
Sun 4/1011:25 -
1 stop15h 45m
Deal found 25/9£280
Thu 1/1011:58 -
1 stop15h 02m
Sun 4/1011:25 -
1 stop15h 45m
Deal found 25/9£282
Sat 10/1020:25 -
2 stops32h 25m
Thu 15/1012:00 -
1 stop15h 24m
Deal found 22/9£360
Sun 11/1021:20 -
1 stop8h 10m
Fri 23/1011:25 -
1 stop15h 43m
Deal found 24/9£340
Sat 17/1020:31 -
1 stop32h 19m
Thu 22/1010:00 -
1 stop27h 55m
Deal found 22/9£345
Sat 24/1020:50 -
Nonstop5h 15m
Thu 29/1017:00 -
Nonstop5h 50m
Deal found 25/9£351
Sun 25/1020:50 -
Nonstop5h 15m
Mon 2/1117:00 -
Nonstop5h 50m
Deal found 25/9£319
Sun 25/1020:50 -
Nonstop5h 15m
Tue 3/1117:00 -
Nonstop5h 50m
Deal found 24/9£339
Sun 25/1005:30 -
2 stops24h 30m
Mon 2/1112:00 -
2 stops26h 17m
Deal found 24/9£348
One-way flights from Boston to Keflavik Intl
Search for one-way flight options from Boston to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated 26 September 2026.
Wed 20/119:06 -
2 stops17h 09m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£273
Fri 19/319:06 -
2 stops18h 09m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 26/9£316
Sun 25/1006:00 -
2 stops24h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£378
Sat 24/1020:25 -
2 stops33h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£383
Thu 1/1012:00 -
2 stops15h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9£386
Tue 10/1120:25 -
1 stop32h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 22/9£389
Tue 3/1120:25 -
1 stop32h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£390
Fri 20/1119:05 -
2 stops57h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 25/9£398
Sat 10/1020:25 -
2 stops32h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£405
Wed 25/1121:30 -
2 stops30h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 26/9£406
Fri 30/1010:42 -
1 stop19h 18m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/9£416
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 26 September 2026.
Customise 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 7,457,451 searches. Data last updated 26 September 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 return flight
BostonReykjavik
BOS Boston Logan Intl - KEF Reykjavik Keflavik Intl
BOSKEF
Boston Logan Intl
Wed 20/1
19:06-17:15
2 stops17h 09m
Reykjavik Keflavik Intl
Wed 31/12
00:00-19:00
Nonstop0h 00m
£273
BostonReykjavik
BOS Boston Logan Intl - KEF Reykjavik Keflavik Intl
BOSKEF
Boston Logan Intl
Sun 25/10
06:00-10:00
1 stop24h 00m
Reykjavik Keflavik Intl
Mon 2/11
12:00-13:59
1 stop30h 59m
£349
BostonReykjavik
BOS Boston Logan Intl - KEF Reykjavik Keflavik Intl
BOSKEF
Boston Logan Intl
Wed 4/11
15:01-10:00
1 stop13h 59m
Reykjavik Keflavik Intl
Wed 31/12
00:00-19:00
Nonstop0h 00m
£378
BostonReykjavik
BOS Boston Logan Intl - KEF Reykjavik Keflavik Intl
BOSKEF
Boston Logan Intl
Wed 28/10
15:01-10:00
1 stop14h 59m
Reykjavik Keflavik Intl
Wed 31/12
00:00-19:00
Nonstop0h 00m
£378
BostonReykjavik
BOS Boston Logan Intl - KEF Reykjavik Keflavik Intl
BOSKEF
Boston Logan Intl
Wed 25/11
05:30-10:00
2 stops23h 30m
Reykjavik Keflavik Intl
Wed 31/12
00:00-19:00
Nonstop0h 00m
£383
BostonReykjavik
BOS Boston Logan Intl - KEF Reykjavik Keflavik Intl
BOSKEF
Boston Logan Intl
Fri 2/10
06:00-07:00
2 stops21h 00m
Reykjavik Keflavik Intl
Wed 31/12
00:00-19:00
Nonstop0h 00m
£386
BostonReykjavik
BOS Boston Logan Intl - KEF Reykjavik Keflavik Intl
BOSKEF
Boston Logan Intl
Thu 1/10
08:15-07:00
1 stop18h 45m
Reykjavik Keflavik Intl
Wed 31/12
00:00-19:00
Nonstop0h 00m
£386
Fastest return journey
BostonReykjavik
BOS Boston Logan Intl - KEF Reykjavik Keflavik Intl
BOSKEF
Boston Logan Intl
Fri 23/10
21:20-09:30
1 stop8h 10m
Reykjavik Keflavik Intl
Wed 31/12
00:00-19:00
Nonstop0h 00m
£386
BostonReykjavik
BOS Boston Logan Intl - KEF Reykjavik Keflavik Intl
BOSKEF
Boston Logan Intl
Sun 4/10
10:00-07:00
2 stops17h 00m
Reykjavik Keflavik Intl
Wed 31/12
00:00-19:00
Nonstop0h 00m
£386
BostonReykjavik
BOS Boston Logan Intl - KEF Reykjavik Keflavik Intl
BOSKEF
Boston Logan Intl
Mon 5/10
17:05-09:30
1 stop12h 25m
Reykjavik Keflavik Intl
Wed 31/12
00:00-19:00
Nonstop0h 00m
£386
Flights are sorted by cheapest return flights first.
Deals found on 23/9
Showing 1-10 of 20 resultsSorted by cheapest first
1
2
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.
BOS-KEF
Estimated return 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 price you pay for your flight from Boston to Reykjavik Keflavik Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 £233). Flying from Boston to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of £457). 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 26 September 2026.
When flying from Boston to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost for a return flight from Boston to Reykjavik Keflavik Intl Airport?
Airfare is below average for this route at the moment.
Boston to Reykjavik Keflavik Intl Airport flights typically cost between £320 and £434 in October.The cheapest return price found within the last 5 days was £319 on Icelandair (25 Oct–2 Nov).
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 is 1 flight from Logan Intl to Reykjavik Keflavik Intl per day from 0 different airlines.
How long is the flight from Boston to Reykjavik Keflavik Intl Airport?
United Airlines can get you from Boston to Reykjavik Keflavik Intl Airport in just under 24h. Your travel time can differ by up to . Airlines will cover a distance of 2406 mi.
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 holiday 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 £233). Flying from Boston to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of £457). 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.
Explore flights to Keflavik Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 26 September 2026.
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on 26 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Boston to Keflavik Intl?
When you search for this flight from Boston to Keflavik Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Boston to Keflavik Intl?
Millions of users choose and trust Cheapflights to book the best flight deals from Boston to Keflavik Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Boston to Keflavik Intl with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Keflavik Intl, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Boston to Keflavik Intl become cheaper?
Of course! You can now track prices for flights from Boston to Keflavik Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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