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$177+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BOS
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$268
(Mytrip)

One-way from

$177
(PLAY)

Popular in

May

Cheapest in

September

Average price

$379

Good round-trip deal

$379 or less

Good one-way deal

$360 or less
Provider with most accurate pricing for Reykjavik Keflavik Intl-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Boston Logan Intl flights.
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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. 7% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Gotogate deal was found by Cheapflights users on 4/29. 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 5/83:45 pmKEF - BOS
Nonstop6h 05mPLAY
Wed 5/147:15 pmBOS - KEF
Nonstop5h 30mPLAY
Deal found 4/29$252
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Tue 6/173:05 pmKEF - BOS
1 stop28h 40mMultiple Airlines
Tue 6/247:15 pmBOS - KEF
Nonstop5h 30mMultiple Airlines
Deal found 4/29$464
This Gotogate deal was found by Cheapflights users on 4/29. 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.
Tue 7/298:10 pmKEF - BOS
Nonstop5h 50mIcelandair
Mon 8/1111:35 pmBOS - KEF
Nonstop5h 10mIcelandair
Deal found 4/29$525
This WorldTicket deal was found by Cheapflights users on 4/28. 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 WorldTicket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/83:45 pmKEF - BOS
Nonstop6h 05mWorldTicket
Sat 11/17:20 pmBOS - KEF
Nonstop5h 25mWorldTicket
Deal found 4/28$533
This Delta deal was found by Cheapflights users on 4/28. 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.
Sun 5/2511:25 amKEF - BOS
1 stop15h 08mDelta
Sun 6/16:05 amBOS - KEF
1 stop23h 25mDelta
Deal found 4/28$603
This Priceline deal was found by Cheapflights users on 4/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/179:50 amKEF - BOS
2 stops16h 07mAir Canada
Tue 6/246:50 pmBOS - KEF
1 stop9h 20mAir Canada
Deal found 4/29$623
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 5/2512:00 pmKEF - BOS
2 stops15h 59mUnited Airlines
Sun 6/18:00 amBOS - KEF
2 stops20h 30mUnited Airlines
Deal found 4/28$624
This Mytrip deal was found by Cheapflights users on 4/29. 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 5/712:25 amKEF - BOS
1 stop23h 45mLufthansa
Wed 5/145:50 pmBOS - KEF
1 stop15h 15mLufthansa
Deal found 4/29$685
This SmartFares deal was found by Cheapflights users on 4/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/811:25 amKEF - BOS
1 stop11h 41mVirgin Atlantic
Wed 5/1410:00 amBOS - KEF
1 stop19h 30mVirgin Atlantic
Deal found 4/28$710
This KLM deal was found by Cheapflights users on 4/28. 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.
Thu 6/511:25 amKEF - BOS
1 stop11h 40mKLM
Thu 6/195:05 pmBOS - KEF
1 stop12h 25mKLM
Deal found 4/28$721
This Scandinavian Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 10/811:05 amKEF - BOS
2 stops32h 30mScandinavian Airlines
Sat 11/13:50 pmBOS - KEF
2 stops28h 05mScandinavian Airlines
Deal found 4/28$743
This WestJet deal was found by Cheapflights users on 4/29. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/299:35 amKEF - BOS
2 stops36h 35mWestJet
Mon 8/116:55 pmBOS - KEF
2 stops33h 20mWestJet
Deal found 4/29$747

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 April 29, 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

Tue 6/17

3:45 pm-5:50 pm

Nonstop6h 05m

Boston Logan Intl

Tue 6/24

7:15 pm-4:45 am

Nonstop5h 30m

$268

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Tue 6/17

3:05 pm-3:45 pm

1 stop28h 40m

Boston Logan Intl

Tue 6/24

7:15 pm-4:45 am

Nonstop5h 30m

$464

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Tue 7/29

8:10 pm-10:00 pm

Nonstop5h 50m

Boston Logan Intl

Mon 8/11

11:35 pm-8:45 am

Nonstop5h 10m

$525

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Wed 10/8

3:45 pm-5:50 pm

Nonstop6h 05m

Boston Logan Intl

Sat 11/1

7:20 pm-4:45 am

Nonstop5h 25m

$533

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Sun 5/25

11:25 am-7:26 am

1 stop24h 01m

Boston Logan Intl

Sun 6/1

6:05 am-9:30 am

1 stop23h 25m

$603

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Thu 6/19

9:30 am-9:56 pm

1 stop16h 26m

Boston Logan Intl

Wed 6/25

6:05 am-8:10 am

2 stops22h 05m

$618

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Tue 6/17

9:50 am-9:57 pm

2 stops16h 07m

Boston Logan Intl

Tue 6/24

6:50 pm-8:10 am

1 stop9h 20m

$623

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Wed 10/8

11:05 am-3:35 pm

2 stops32h 30m

Boston Logan Intl

Sat 11/1

6:35 pm-10:45 am

1 stop12h 10m

$697

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Sat 5/24

1:15 am-3:40 pm

2 stops18h 25m

Boston Logan Intl

Sun 6/1

8:05 pm-11:35 pm

2 stops23h 30m

$720

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Thu 6/5

11:25 am-7:05 pm

1 stop11h 40m

Boston Logan Intl

Thu 6/19

5:05 pm-9:30 am

1 stop12h 25m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 26 results
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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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
GotogatePrice Accuracy3 starsTrust Score*2 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 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 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 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.

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 April 29, 2025.

It’s optimal to fly from Reykjavik Keflavik Intl Airport to Boston at noon. By choosing this option you can save up to 55% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Reykjavik Keflavik Intl Airport to Boston

Explore weekly flight availability from Keflavik Intl to Boston. 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 April 29, 2025.

The most flights from KEF to BOS are scheduled on a Monday (3 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 29, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Reykjavik to Boston by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 $268. Additional round-trip tickets that might be worth considering are offered by Icelandair and WorldTicket, with the lowest prices starting at $525 and $533, respectively. PLAY is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Reykjavik Keflavik Intl Airport to Boston one-way?

    For one-way options, check prices for PLAY. According to our data, you can fly for as low as $177. Users have also found prices from $386 and $438 on WestJet and Icelandair, respectively.

  • What are the most reliable airlines from Reykjavik Keflavik Intl Airport to Boston?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Reykjavik Keflavik Intl Airport to Boston on time: PLAY (74%), Icelandair (70%), airBaltic (67%).

  • What are the cheapest flights from Reykjavik Keflavik Intl Airport to Boston?

    On average you can expect to pay $886 for a flight from Reykjavik Keflavik Intl Airport to Boston. The cheapest flight overall is $192 while the most popular route, (Reykjavik Keflavik Intl - Boston Logan Intl) is currently priced at $258.

  • 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

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Marlborough
Warwick
Cambridge
Waltham
Framingham
Chestnut Hill
Randolph
Brockton
Lowell
Woburn
Somerville
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Lincoln
Salem
Chelsea
Seabrook

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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

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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$221Average$313FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$455Average$544FlexibilityNo cancel feeOn-time76%

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