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Keflavik Intl

$505+ Cheap flights from Portland, ME (PWM) to Keflavik Intl (KEF)

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — KEF
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheap flight deals from Portland to Keflavik Intl

Cheapest flights from Portland to Keflavik Intl
Explore the most affordable flight options available from Portland to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 29, 2026.

This KLM deal was found by Cheapflights users on 1/27. 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.
mié. 5/62:51 pm
PWM
-
KEF
1 stop14h 39m
KLM
mié. 5/138:50 am
KEF
-
PWM
1 stop11h 25m
KLM
Deal found 1/27$505
This KLM deal was found by Cheapflights users on 1/27. 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.
mié. 5/62:51 pm
PWM
-
KEF
1 stop14h 39m
Multiple Airlines
mié. 5/139:30 am
KEF
-
PWM
2 stops32h 24m
Multiple Airlines
Deal found 1/27$510
This Delta deal was found by Cheapflights users on 1/28. 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.
dom. 5/106:30 am
PWM
-
KEF
1 stop23h 00m
Delta
lun. 5/1811:25 am
KEF
-
PWM
1 stop16h 34m
Delta
Deal found 1/28$660
This Delta deal was found by Cheapflights users on 1/28. 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.
sáb. 5/93:00 pm
PWM
-
KEF
2 stops35h 20m
Delta
dom. 5/1711:25 am
KEF
-
PWM
1 stop16h 34m
Delta
Deal found 1/28$665
This Air France deal was found by Cheapflights users on 1/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/812:50 pm
PWM
-
KEF
2 stops14h 50m
Multiple Airlines
vie. 5/158:50 am
KEF
-
PWM
1 stop11h 25m
Multiple Airlines
Deal found 1/28$670
This Air France deal was found by Cheapflights users on 1/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/812:50 pm
PWM
-
KEF
2 stops14h 50m
Air France
vie. 5/159:30 am
KEF
-
PWM
2 stops32h 24m
Air France
Deal found 1/28$676
This Delta deal was found by Cheapflights users on 1/28. 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.
vie. 5/82:35 pm
PWM
-
KEF
1 stop14h 55m
Delta
jue. 5/1411:25 am
KEF
-
PWM
1 stop16h 34m
Delta
Deal found 1/28$700
This Trip.com deal was found by Cheapflights users on 1/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/92:18 pm
PWM
-
KEF
1 stop14h 37m
Multiple Airlines
sáb. 5/167:50 pm
KEF
-
PWM
1 stop21h 33m
Multiple Airlines
Deal found 1/28$705
This Delta deal was found by Cheapflights users on 1/28. 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.
jue. 5/72:35 pm
PWM
-
KEF
1 stop14h 55m
Delta
lun. 5/1811:25 am
KEF
-
PWM
1 stop16h 34m
Delta
Deal found 1/28$710
This Air France deal was found by Cheapflights users on 1/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/812:50 pm
PWM
-
KEF
2 stops14h 50m
Multiple Airlines
dom. 5/1711:25 am
KEF
-
PWM
1 stop16h 34m
Multiple Airlines
Deal found 1/28$715
This Air France deal was found by Cheapflights users on 1/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/812:50 pm
PWM
-
KEF
2 stops14h 50m
Air France
sáb. 5/169:30 am
KEF
-
PWM
2 stops32h 24m
Air France
Deal found 1/28$721
This KLM deal was found by Cheapflights users on 1/28. 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.
mié. 5/204:50 pm
PWM
-
KEF
1 stop9h 30m
KLM
mié. 5/2711:25 am
KEF
-
PWM
1 stop16h 34m
KLM
Deal found 1/28$724

Find flight deals from Portland to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$505
(KLM)
Provider with most accurate pricing for Portland-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Reykjavik Keflavik Intl flights.
Search Deals
From Portland to Reykjavik Keflavik Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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 enero 29, 2026.
Use the filters below to find and compare flights from Portland to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Portland

Fly to

Keflavik Intl

Route

Depart

Return

Price

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

mié. 5/6

2:51 pm-9:30 am

1 stop14h 39m

Reykjavik Keflavik Intl

mié. 5/13

8:50 am-4:15 pm

1 stop11h 25m

$505

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

mié. 5/6

2:51 pm-9:30 am

1 stop14h 39m

Reykjavik Keflavik Intl

mié. 5/13

9:30 am-1:54 pm

2 stops32h 24m

$510

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

dom. 5/10

6:30 am-9:30 am

1 stop23h 00m

Reykjavik Keflavik Intl

lun. 5/18

11:25 am-11:59 pm

1 stop16h 34m

$660

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

jue. 5/7

12:50 pm-6:20 am

1 stop13h 30m

Reykjavik Keflavik Intl

jue. 5/14

11:25 am-11:59 pm

1 stop16h 34m

$665

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

vie. 5/8

2:35 pm-9:30 am

1 stop14h 55m

Reykjavik Keflavik Intl

vie. 5/15

11:25 am-11:59 pm

1 stop16h 34m

$665

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

lun. 5/11

6:30 am-6:20 am

2 stops19h 50m

Reykjavik Keflavik Intl

lun. 5/18

8:50 am-11:01 am

2 stops30h 11m

$665

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

sáb. 5/9

2:35 pm-6:20 am

2 stops35h 45m

Reykjavik Keflavik Intl

lun. 5/18

8:50 am-4:15 pm

1 stop11h 25m

$665

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

dom. 5/10

12:50 pm-6:20 am

1 stop13h 30m

Reykjavik Keflavik Intl

dom. 5/17

9:30 am-11:11 pm

2 stops17h 41m

$665

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

vie. 5/8

12:50 pm-7:40 am

2 stops14h 50m

Reykjavik Keflavik Intl

vie. 5/15

8:50 am-4:15 pm

1 stop11h 25m

$670

PortlandReykjavik

PWM - KEF

PWMKEF

Portland

vie. 5/8

2:35 pm-9:30 am

1 stop14h 55m

Reykjavik Keflavik Intl

dom. 5/17

8:50 am-4:15 pm

1 stop11h 25m

$710

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 13 results
1
2
  • Most accurate provider: When it comes to deals on Portland, Maine-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Portland, Maine-Reykjavik Keflavik Intl Airport 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 Portland to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Portland 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 Portland to Reykjavik Keflavik Intl Airport

What is the cheapest month to book a flight from Portland, Maine to Reykjavik Keflavik Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Portland, Maine to Reykjavik Keflavik Intl Airport (average of $234). Flying from Portland, Maine to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $360). 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.

Related info for your journey

Find useful and relevant information for your journey from Portland 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 Portland to Reykjavik Keflavik Intl?

    Located just 2.9 mi from the city center, Portland is the airport most travelers will use when flying to Reykjavik Keflavik Intl from Portland. Booking flights from Portland (PWM) to Reykjavik Keflavik Intl should be relatively easy as there are 0 daily outbound flights to Reykjavik Keflavik Intl from 0 different airlines.

  • How long is the flight from Portland, Maine to Reykjavik Keflavik Intl Airport?

    For as low as $505, KLM can have you in Reykjavik Keflavik Intl Airport from Portland, Maine in 14h 39m. Airlines will cover a distance of 2313 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Portland to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Portland to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Keflavik Intl.

  • Can I find deals for business class flights from Portland to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Portland 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 Portland, Maine to Reykjavik Keflavik Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Portland, Maine to Reykjavik Keflavik Intl Airport (average of $234). Flying from Portland, Maine to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $360). 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
Keflavik
Hveragerdi

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