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$301+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BOS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$518
(Flighttix)

One-way from

$301
(Kiwi.com)

Popular in

September

Cheapest in

October

Average price

$550

Good round-trip deal

$1,339 or less

Good one-way deal

$448 or less
From Reykjavik Keflavik Intl to Boston Logan Intl
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One-way flight from Reykjavik Keflavik Intl to Boston Logan Intl
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Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Flighttix deal was found by Cheapflights users on 9/16. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:10 pmKEF - BOS
Nonstop5h 50mIcelandair
Tue 10/288:50 pmBOS - KEF
Nonstop5h 15mIcelandair
Deal found 9/16$518
This oojo deal was found by Cheapflights users on 9/16. 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.
Mon 10/2011:05 amKEF - BOS
2 stops32h 30mScandinavian Airlines
Tue 10/286:35 pmBOS - KEF
1 stop12h 10mScandinavian Airlines
Deal found 9/16$561
This Ticket deal was found by Cheapflights users on 9/16. 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.
Fri 10/315:00 pmKEF - BOS
Nonstop5h 50mIcelandair
Fri 11/77:50 pmBOS - KEF
Nonstop5h 15mIcelandair
Deal found 9/16$569
This Gotogate deal was found by Cheapflights users on 9/15. 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 10/305:00 pmKEF - BOS
Nonstop5h 50mIcelandair
Thu 11/611:35 amBOS - KEF
Nonstop5h 10mIcelandair
Deal found 9/15$570
This Mytrip deal was found by Cheapflights users on 9/17. 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 12/35:00 pmKEF - BOS
Nonstop5h 50mIcelandair
Sun 12/77:50 pmBOS - KEF
Nonstop5h 15mIcelandair
Deal found 9/17$583
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/295:00 pmKEF - BOS
Nonstop5h 50mIcelandair
Mon 11/37:50 pmBOS - KEF
Nonstop5h 15mIcelandair
Deal found 9/16$591
This oojo deal was found by Cheapflights users on 9/15. 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 10/3011:30 amKEF - BOS
1 stop33h 20mScandinavian Airlines
Thu 11/65:35 pmBOS - KEF
1 stop12h 10mScandinavian Airlines
Deal found 9/15$599
This Expedia deal was found by Cheapflights users on 9/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/153:45 pmKEF - BOS
Nonstop6h 05mMultiple Airlines
Sat 9/2012:35 pmBOS - KEF
Nonstop5h 10mMultiple Airlines
Deal found 9/15$610

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 September 17, 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

Mon 10/20

11:05 am-3:35 pm

2 stops32h 30m

Boston Logan Intl

Tue 10/28

6:35 pm-10:45 am

1 stop12h 10m

$561

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Thu 10/30

5:00 pm-6:50 pm

Nonstop5h 50m

Boston Logan Intl

Thu 11/6

11:35 am-9:45 pm

Nonstop5h 10m

$570

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Wed 12/3

5:00 pm-5:50 pm

Nonstop5h 50m

Boston Logan Intl

Sun 12/7

7:50 pm-6:05 am

Nonstop5h 15m

$583

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Thu 10/30

11:30 am-4:50 pm

1 stop33h 20m

Boston Logan Intl

Thu 11/6

5:35 pm-10:45 am

1 stop12h 10m

$599

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Wed 12/3

11:30 am-3:50 pm

1 stop33h 20m

Boston Logan Intl

Sun 12/7

5:35 pm-10:45 am

1 stop12h 10m

$625

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Thu 10/2

11:25 am-5:55 pm

1 stop10h 30m

Boston Logan Intl

Mon 10/6

8:59 pm-9:30 am

1 stop8h 31m

$668

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Sat 10/11

3:05 pm-11:26 am

3 stops24h 21m

$356

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Tue 9/23

3:05 pm-10:47 pm

2 stops35h 42m

$372

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Mon 10/6

3:05 pm-10:52 pm

3 stops35h 47m

$381

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Thu 10/9

3:05 pm-11:26 am

2 stops24h 21m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
1
2

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 September 17, 2025.

It’s optimal to fly from Reykjavik Keflavik Intl Airport to Boston at noon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the morning.

How much does it cost to fly round-trip from Reykjavik Keflavik Intl Airport to Boston?

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 September 17, 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
7.0
Good
545 reviews

Crew

8.0

Food

6.2

Boarding

7.2

Comfort

6.9

Entertainment

7.0

Overall

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
7.0
Good
545 reviews
Icelandair
7.0
Good
545 reviews

Crew

8.0

Food

6.2

Boarding

7.2

Comfort

6.9

Entertainment

7.0

Overall

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
103 reviews
Icelandair
7.0
Good
545 reviews

Crew

8.0

Food

6.2

Boarding

7.2

Comfort

6.9

Entertainment

7.0

Overall

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 2 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 50m. Fly via Scandinavian Airlines or Icelandair to get the fastest option. There are 2406 mi between Reykjavik Keflavik Intl Airport and Boston. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 47% 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 $1,408 for a flight from Reykjavik Keflavik Intl Airport to Boston. The cheapest flight overall is $284 while the most popular route, (Reykjavik Keflavik Intl - Boston Logan Intl) is currently priced at $518.

  • 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.

  • What is the cheapest month to book a flight from Reykjavik Keflavik Intl Airport to Boston?

    Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Boston (average of $218). Flying from Reykjavik Keflavik Intl Airport to Boston in July is currently the most expensive (average of $311). 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.

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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$236Average$353FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$434Average$514FlexibilityNo cancel feeOn-time76%

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