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$246+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — BOS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$307
(Mytrip)

One-way from

$274
(CheapOair)

Popular in

February

Cheapest in

September

Average price

$457

Good round-trip deal

$652 or less

Good one-way deal

$417 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. 17% potential increase in price ($86 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 June 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 June 12, 2025.

This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/163:45 pmKEF - BOS
Nonstop6h 05mPLAY
Tue 6/247:15 pmBOS - KEF
Nonstop5h 30mPLAY
Deal found 6/12$246
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/123:05 pmKEF - BOS
1 stop12h 24mMultiple Airlines
Mon 9/156:00 amBOS - KEF
1 stop18h 55mMultiple Airlines
Deal found 6/11$360
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/198:10 pmKEF - BOS
Nonstop5h 50mIcelandair
Fri 8/2912:35 pmBOS - KEF
Nonstop5h 10mIcelandair
Deal found 6/12$508
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:10 pmKEF - BOS
1 stop26h 25mScandinavian Airlines
Mon 11/35:35 pmBOS - KEF
1 stop12h 10mScandinavian Airlines
Deal found 6/11$525
This WorldTicket 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 WorldTicket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/103:45 pmKEF - BOS
Nonstop6h 05mWorldTicket
Sun 8/177:15 pmBOS - KEF
Nonstop5h 30mWorldTicket
Deal found 6/11$560
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/259:30 amKEF - BOS
1 stop9h 05mAir Canada
Fri 8/16:40 pmBOS - KEF
1 stop9h 40mAir Canada
Deal found 6/10$590
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/309:30 amKEF - BOS
2 stops32h 13mUnited Airlines
Wed 8/203:20 pmBOS - KEF
1 stop12h 50mUnited Airlines
Deal found 6/11$609
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2311:25 amKEF - BOS
1 stop15h 34mKLM
Tue 9/24:55 pmBOS - KEF
1 stop12h 35mKLM
Deal found 6/11$616
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1211:25 amKEF - BOS
1 stop12h 00mDelta
Sun 8/174:45 pmBOS - KEF
1 stop9h 35mDelta
Deal found 6/11$700

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 June 12, 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 7/14

3:45 pm-5:50 pm

Nonstop6h 05m

Boston Logan Intl

Mon 7/21

7:15 pm-4:45 am

Nonstop5h 30m

$307

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Fri 9/12

3:05 pm-11:29 pm

1 stop12h 24m

Boston Logan Intl

Mon 9/15

6:00 am-4:55 am

1 stop18h 55m

$360

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Tue 8/19

8:10 pm-10:00 pm

Nonstop5h 50m

Boston Logan Intl

Fri 8/29

12:35 pm-9:45 pm

Nonstop5h 10m

$508

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Thu 10/16

5:10 pm-3:35 pm

1 stop26h 25m

Boston Logan Intl

Mon 11/3

5:35 pm-10:45 am

1 stop12h 10m

$525

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Sun 8/10

3:45 pm-5:50 pm

Nonstop6h 05m

Boston Logan Intl

Sun 8/17

7:15 pm-4:45 am

Nonstop5h 30m

$560

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Fri 7/25

9:30 am-2:35 pm

1 stop9h 05m

Boston Logan Intl

Fri 8/1

6:40 pm-8:20 am

1 stop9h 40m

$590

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Wed 7/30

9:30 am-1:43 pm

2 stops32h 13m

Boston Logan Intl

Wed 8/20

3:20 pm-8:10 am

1 stop12h 50m

$609

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Sat 8/23

11:25 am-10:59 pm

1 stop15h 34m

Boston Logan Intl

Tue 9/2

4:55 pm-9:30 am

1 stop12h 35m

$616

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Tue 8/12

11:25 am-7:25 pm

1 stop12h 00m

Boston Logan Intl

Sun 8/17

4:45 pm-6:20 am

1 stop9h 35m

$700

ReykjavikBoston

KEF - BOS

KEFBOS

Reykjavik Keflavik Intl

Mon 8/11

12:25 am-5:40 pm

2 stops21h 15m

Boston Logan Intl

Mon 8/18

5:50 pm-1:05 pm

1 stop15h 15m

$836

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 19 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 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 June is currently the most expensive (average of $306). 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 June 12, 2025.

It’s optimal to fly from Reykjavik Keflavik Intl Airport to Boston at noon. By choosing this option you can save up to 56% on the cost of your flight, compared to a flight in the afternoon.

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 June 12, 2025.

The most flights from KEF to BOS are scheduled on a Tuesday (4 on average). You will have fewer flight options on Friday, 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 June 12, 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines 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
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Turkish Airlines
7.3
Good
3,848 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 3 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 $307. Additional round-trip tickets that might be worth considering are offered by Icelandair and Scandinavian Airlines, with the lowest prices starting at $508 and $525, respectively. PLAY is priced at 27% 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 $276. Users have also found prices from $326 and $423 on WorldTicket and Icelandair, respectively.

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

    On average you can expect to pay $1,438 for a flight from Reykjavik Keflavik Intl Airport to Boston. The cheapest flight overall is $301 while the most popular route, (Reykjavik Keflavik Intl - Boston Logan Intl) is currently priced at $264.

  • 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 June is currently the most expensive (average of $306). 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
Cambridge
Medford
Watertown
Warwick
Waltham
Framingham
Seabrook
Cranston
Randolph
Chestnut Hill
Lowell
Chelsea
Marlborough
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$221Average$309FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$455Average$514FlexibilityNo cancel feeOn-time76%

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