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.
$167+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KEF
jun. 17 — jun. 241
1 adult, Economy
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Find cheap flights from Boston to Keflavik Intl 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.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 junio 12, 2025.
Round-trip from | $331 (Mytrip) |
|---|---|
One-way from | $167 (CheapOair) |
Popular in | July |
Cheapest in | January |
Average price | $475 |
Good round-trip deal | $404 or less |
Good one-way deal | $184 or less |
Find flight deals from Boston to Keflavik Intl
Cheapest flights from Boston to Keflavik IntlExplore 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 junio 12, 2025.
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 junio 12, 2025.
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/227:15 pmBOS - KEF
Nonstop5h 30mPLAY
mié. 8/273:45 pmKEF - BOS
Nonstop6h 05mPLAY
Deal found 6/9![PLAY logo]()
$331
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2012:35 pmBOS - KEF
Nonstop5h 10mIcelandair
jue. 10/99:55 amKEF - BOS
Nonstop5h 40mIcelandair
Deal found 6/10![Icelandair logo]()
$345
This PLAY deal was found by Cheapflights users on 6/10. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/106:00 amBOS - KEF
1 stop18h 55mMultiple Airlines
sáb. 9/203:05 pmKEF - BOS
1 stop12h 24mMultiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/187:04 pmBOS - KEF
1 stop7h 56mUnited Airlines
lun. 8/259:50 amKEF - BOS
2 stops32h 23mUnited Airlines
Deal found 6/10![United Airlines logo]()
$385
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/143:20 pmBOS - KEF
1 stop12h 50mAir Canada
dom. 8/249:50 amKEF - BOS
1 stop16h 48mAir Canada
Deal found 6/11![Air Canada logo]()
$394
This KLM deal was found by Cheapflights users on 6/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/58:50 pmBOS - KEF
1 stop8h 40mKLM
lun. 9/158:45 amKEF - BOS
1 stop15h 01mKLM
Deal found 6/12![KLM logo]()
$405
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/228:30 pmBOS - KEF
1 stop29h 50mDelta
vie. 8/298:50 amKEF - BOS
1 stop19h 03mDelta
Deal found 6/9![Delta logo]()
$410
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/215:40 pmBOS - KEF
1 stop11h 50mScandinavian Airlines
jue. 10/3011:30 amKEF - BOS
2 stops33h 20mScandinavian Airlines
Deal found 6/11![Scandinavian Airlines logo]()
$423
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 junio 12, 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
vie. 8/22
7:15 pm-4:45 am
Nonstop5h 30m
Reykjavik Keflavik Intl
mié. 8/27
3:45 pm-5:50 pm
Nonstop6h 05m
$331
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
sáb. 9/20
12:35 pm-9:45 pm
Nonstop5h 10m
Reykjavik Keflavik Intl
jue. 10/9
9:55 am-11:35 am
Nonstop5h 40m
$345
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
mié. 9/10
6:00 am-4:55 am
1 stop18h 55m
Reykjavik Keflavik Intl
sáb. 9/20
3:05 pm-11:29 pm
1 stop12h 24m
$364
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
lun. 8/18
7:04 pm-7:00 am
1 stop7h 56m
Reykjavik Keflavik Intl
lun. 8/25
9:50 am-2:13 pm
2 stops32h 23m
$385
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
jue. 8/14
3:20 pm-8:10 am
1 stop12h 50m
Reykjavik Keflavik Intl
dom. 8/24
9:50 am-10:38 pm
1 stop16h 48m
$394
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
vie. 9/5
8:50 pm-9:30 am
1 stop8h 40m
Reykjavik Keflavik Intl
lun. 9/15
8:45 am-7:46 pm
1 stop15h 01m
$405
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
vie. 8/22
8:30 pm-6:20 am
1 stop29h 50m
Reykjavik Keflavik Intl
vie. 8/29
8:50 am-11:53 pm
1 stop19h 03m
$410
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
mar. 10/21
5:40 pm-9:30 am
1 stop11h 50m
Reykjavik Keflavik Intl
jue. 10/30
11:30 am-4:50 pm
2 stops33h 20m
$423
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
mié. 8/13
6:00 am-4:55 am
1 stop18h 55m
$167
BostonReykjavik
BOS - KEF
BOSKEF
Boston Logan Intl
mar. 7/8
7:15 pm-4:45 am
Nonstop5h 30m
$171
Showing 1-10 of 21 results
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]()
Icelandair
![PLAY]()
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.
Our travel experts
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 June 9, 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 $659). 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 junio 12, 2025.
It’s optimal to fly from Boston to Reykjavik Keflavik Intl Airport at noon. By choosing this option you can save up to 23% 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 junio 12, 2025.
The most flights from BOS to KEF are scheduled on a Wednesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
Rainfall in Keflavik Intl by month
Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.
Temperature in Keflavik Intl by month
Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
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 junio 12, 2025.
Read through reviews of airlines operating flights from Boston to Reykjavik, such as Delta, KLM and Air France. 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.
Boarding
8.2
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Boarding
8.2
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Boarding
8.2
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Boarding
8.2
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Boarding
8.2
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Boarding
8.2
Comfort
7.9
Entertainment
7.9
Overall
8.0
Food
7.3
Crew
8.5
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
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.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsKeflavik
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Alternative routes for Boston to Keflavik Intl
See prices for flight routes from nearby airports that may be better suited for you.
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 junio 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$232 | Average$296 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$349 | Average$460 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$400 | Average$525 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$682 | Average$692 | FlexibilityNo cancel fee | On-time62% |