$476+ Cheap flights from Portland, ME (PWM) 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — KEF
Jun 23 — Jun 301
Round-trip
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Keflavik Intl
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Cheapest flights from Portland to Keflavik IntlExplore 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 May 24, 2026.
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 May 24, 2026.
This oojo deal was found by Cheapflights users on 5/23. 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 7/236:00 am
PWM
- KEF
1 stop20h 20m
Icelandair
Sun 7/265:00 pm
KEF
- PWM
1 stop24h 45m
Icelandair
Deal found 5/23![Icelandair logo]()
$699
This oojo deal was found by Cheapflights users on 5/19. 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 7/276:00 am
PWM
- KEF
1 stop22h 55m
Icelandair
Wed 8/57:50 pm
KEF
- PWM
1 stop21h 55m
Icelandair
Deal found 5/19![Icelandair logo]()
$845
This KLM deal was found by Cheapflights users on 5/19. 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.
Mon 7/2712:40 pm
PWM
- KEF
2 stops14h 20m
Multiple Airlines
Wed 8/58:45 am
KEF
- PWM
1 stop11h 12m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$890
This Air France deal was found by Cheapflights users on 5/19. 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.
Mon 7/2712:40 pm
PWM
- KEF
2 stops14h 20m
Air France
Wed 8/58:45 am
KEF
- PWM
2 stops33h 28m
Air France
Deal found 5/19![Air France logo]()
$895
This KLM deal was found by Cheapflights users on 5/19. 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.
Tue 8/1111:50 am
PWM
- KEF
1 stop15h 10m
Multiple Airlines
Fri 8/218:45 am
KEF
- PWM
2 stops33h 28m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$910
This Air France deal was found by Cheapflights users on 5/19. 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.
Tue 8/1112:45 pm
PWM
- KEF
2 stops14h 15m
Air France
Fri 8/218:45 am
KEF
- PWM
2 stops33h 28m
Air France
Deal found 5/19![Air France logo]()
$970
This KLM deal was found by Cheapflights users on 5/19. 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.
Tue 8/1111:50 am
PWM
- KEF
1 stop15h 10m
KLM
Fri 8/218:45 am
KEF
- PWM
1 stop11h 12m
KLM
Deal found 5/19![KLM logo]()
$984
This oojo deal was found by Cheapflights users on 5/22. 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 7/136:00 am
PWM
- KEF
1 stop20h 20m
Multiple Airlines
Sat 7/184:45 pm
KEF
- PWM
1 stop22h 59m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$985
This KLM deal was found by Cheapflights users on 5/20. 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.
Fri 8/146:00 am
PWM
- KEF
1 stop23h 30m
KLM
Mon 8/248:45 am
KEF
- PWM
1 stop11h 12m
KLM
Deal found 5/20![KLM logo]()
$1,008
This Expedia deal was found by Cheapflights users on 5/23. 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.
Thu 7/232:40 pm
PWM
- KEF
2 stops13h 30m
Multiple Airlines
Sun 7/265:00 pm
KEF
- PWM
1 stop11h 16m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$1,012
This KLM deal was found by Cheapflights users on 5/20. 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.
Fri 8/146:00 am
PWM
- KEF
1 stop23h 30m
Multiple Airlines
Mon 8/248:45 am
KEF
- PWM
2 stops33h 28m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$1,019
This oojo deal was found by Cheapflights users on 5/19. 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 6/12:37 pm
PWM
- KEF
1 stop14h 18m
Icelandair
Wed 6/105:00 pm
KEF
- PWM
1 stop10h 58m
Icelandair
Deal found 5/19![Icelandair logo]()
$1,033
Best flights from Portland to Keflavik IntlDiscover carefully curated flight deals from Portland to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 24, 2026.
Discover carefully curated flight deals from Portland to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 24, 2026.
This KLM deal was found by Cheapflights users on 5/19. 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.
Mon 7/2712:40 pm
PWM
- KEF
2 stops14h 20m
Multiple Airlines
Wed 8/58:45 am
KEF
- PWM
1 stop11h 12m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$890
This Air France deal was found by Cheapflights users on 5/19. 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.
Mon 7/2712:40 pm
PWM
- KEF
2 stops14h 20m
Air France
Wed 8/58:45 am
KEF
- PWM
2 stops33h 28m
Air France
Deal found 5/19![Air France logo]()
$895
This KLM deal was found by Cheapflights users on 5/19. 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.
Tue 8/1111:50 am
PWM
- KEF
1 stop15h 10m
KLM
Fri 8/218:45 am
KEF
- PWM
1 stop11h 12m
KLM
Deal found 5/19![KLM logo]()
$984
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Fri 8/287:40 am
PWM
- KEF
1 stop21h 10m
United Airlines
Tue 9/19:15 am
KEF
- PWM
2 stops32h 40m
United Airlines
Deal found 5/22![United Airlines logo]()
$1,034
This Air Canada deal was found by Cheapflights users on 5/23. 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.
Fri 9/257:51 am
PWM
- KEF
2 stops20h 54m
Air Canada
Tue 9/2910:00 am
KEF
- PWM
2 stops31h 54m
Air Canada
Deal found 5/23![Air Canada logo]()
$1,047
This KLM deal was found by Cheapflights users on 5/19. 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.
Tue 8/1111:50 am
PWM
- KEF
1 stop15h 10m
Multiple Airlines
Fri 8/218:45 am
KEF
- PWM
2 stops33h 28m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$910
This KLM deal was found by Cheapflights users on 5/20. 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.
Fri 8/146:00 am
PWM
- KEF
1 stop23h 30m
KLM
Mon 8/248:45 am
KEF
- PWM
1 stop11h 12m
KLM
Deal found 5/20![KLM logo]()
$1,008
This United Airlines deal was found by Cheapflights users on 5/23. 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.
Fri 9/257:58 am
PWM
- KEF
1 stop20h 52m
United Airlines
Tue 9/2910:00 am
KEF
- PWM
2 stops32h 37m
United Airlines
Deal found 5/23![United Airlines logo]()
$1,039
This KLM deal was found by Cheapflights users on 5/20. 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.
Fri 8/146:00 am
PWM
- KEF
1 stop23h 30m
Multiple Airlines
Mon 8/248:45 am
KEF
- PWM
2 stops33h 28m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$1,019
This KLM deal was found by Cheapflights users on 5/19. 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.
Mon 8/104:47 pm
PWM
- KEF
2 stops34h 13m
Multiple Airlines
Thu 8/208:45 am
KEF
- PWM
1 stop11h 12m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$1,041
Last-minute flights from Portland to Keflavik IntlDiscover last-minute flight deals from Portland to Keflavik Intl. Data last updated May 24, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Keflavik Intl. Data last updated May 24, 2026 and is based on user searches.
This Icelandair deal was found by Cheapflights users on 5/21. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/222:50 pm
PWM
- KEF
1 stop11h 35m
Multiple Airlines
Fri 5/295:00 pm
KEF
- PWM
1 stop10h 58m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$1,423
This United Airlines deal was found by Cheapflights users on 5/21. 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.
Fri 5/292:20 pm
PWM
- KEF
2 stops14h 30m
United Airlines
Sun 5/3112:00 pm
KEF
- PWM
1 stop13h 51m
United Airlines
Deal found 5/21![United Airlines logo]()
$1,437
This oojo deal was found by Cheapflights users on 5/19. 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 6/12:37 pm
PWM
- KEF
1 stop14h 18m
Icelandair
Wed 6/105:00 pm
KEF
- PWM
1 stop10h 58m
Icelandair
Deal found 5/19![Icelandair logo]()
$1,033
This Expedia deal was found by Cheapflights users on 5/19. 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 6/16:00 am
PWM
- KEF
2 stops45h 55m
Air Canada
Wed 6/109:15 am
KEF
- PWM
2 stops18h 15m
Air Canada
Deal found 5/19![Air Canada logo]()
$1,171
This Expedia deal was found by Cheapflights users on 5/19. 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 6/12:37 pm
PWM
- KEF
2 stops13h 33m
Multiple Airlines
Wed 6/105:00 pm
KEF
- PWM
1 stop10h 58m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$1,280
This KAYAK deal was found by Cheapflights users on 5/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:37 pm
PWM
- KEF
1 stop11h 43m
Multiple Airlines
Thu 6/45:00 pm
KEF
- PWM
1 stop10h 58m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,254
This Travelocity deal was found by Cheapflights users on 5/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:00 am
PWM
- KEF
1 stop22h 55m
Multiple Airlines
Sat 6/207:55 pm
KEF
- PWM
2 stops32h 30m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$1,051
This Travelocity deal was found by Cheapflights users on 5/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/145:50 am
PWM
- KEF
2 stops22h 55m
Air Canada
Sat 6/2010:00 am
KEF
- PWM
2 stops41h 30m
Air Canada
Deal found 5/20![Air Canada logo]()
$1,356
One-way flights from Portland to Keflavik IntlSearch for one-way flight options from Portland to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated May 24, 2026.
Search for one-way flight options from Portland to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated May 24, 2026.
This United Airlines deal was found by Cheapflights users on 5/23. 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.
Sat 8/18:16 pm
PWM
- KEF
1 stop30h 44m
United Airlines
Deal found 5/23![United Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:00 am
PWM
- KEF
3 stops19h 55m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$834
This Mytrip deal was found by Cheapflights users on 5/23. 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.
Sat 8/16:00 am
PWM
- KEF
3 stops22h 45m
Air Canada
Deal found 5/23![Air Canada logo]()
$1,100
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 May 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $699 (oojo) |
One-way from | $476 (United Airlines) |
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 May 24, 2026.
Use the filters below to find and compare flights from Portland to Reykjavik Keflavik Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PortlandReykjavik
PWM - KEF
PWMKEF
Portland
Mon 7/27
12:40 pm-7:00 am
2 stops14h 20m
Reykjavik Keflavik Intl
Wed 8/5
8:45 am-3:57 pm
1 stop11h 12m
$890
PortlandReykjavik
PWM - KEF
PWMKEF
Portland
Mon 7/27
12:40 pm-7:00 am
2 stops14h 20m
Reykjavik Keflavik Intl
Wed 8/5
8:45 am-2:13 pm
2 stops33h 28m
$895
PortlandReykjavik
PWM - KEF
PWMKEF
Portland
Tue 8/11
11:50 am-7:00 am
1 stop15h 10m
Reykjavik Keflavik Intl
Fri 8/21
8:45 am-2:13 pm
2 stops33h 28m
$910
PortlandReykjavik
PWM - KEF
PWMKEF
Portland
Tue 8/11
11:50 am-7:00 am
1 stop15h 10m
Reykjavik Keflavik Intl
Fri 8/21
8:45 am-3:57 pm
1 stop11h 12m
$984
PortlandReykjavik
PWM - KEF
PWMKEF
Portland
Fri 8/14
6:00 am-9:30 am
1 stop23h 30m
Reykjavik Keflavik Intl
Mon 8/24
8:45 am-3:57 pm
1 stop11h 12m
$1,008
PortlandReykjavik
PWM - KEF
PWMKEF
Portland
Fri 8/14
6:00 am-9:30 am
1 stop23h 30m
Reykjavik Keflavik Intl
Mon 8/24
8:45 am-2:13 pm
2 stops33h 28m
$1,019
PortlandReykjavik
PWM - KEF
PWMKEF
Portland
Fri 8/28
7:40 am-8:50 am
1 stop21h 10m
Reykjavik Keflavik Intl
Tue 9/1
9:15 am-1:55 pm
2 stops32h 40m
$1,034
PortlandReykjavik
PWM - KEF
PWMKEF
Portland
Fri 9/25
7:58 am-8:50 am
1 stop20h 52m
Reykjavik Keflavik Intl
Tue 9/29
10:00 am-2:37 pm
2 stops32h 37m
$1,039
PortlandReykjavik
PWM - KEF
PWMKEF
Portland
Mon 8/10
4:47 pm-7:00 am
2 stops34h 13m
Reykjavik Keflavik Intl
Thu 8/20
8:45 am-3:57 pm
1 stop11h 12m
$1,041
PortlandReykjavik
PWM - KEF
PWMKEF
Portland
Fri 9/25
7:51 am-8:45 am
2 stops20h 54m
Reykjavik Keflavik Intl
Tue 9/29
10:00 am-1:54 pm
2 stops31h 54m
$1,047
Showing 1-10 of 11 resultsSorted by cheapest first
- 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.
PWM-KEF
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.
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.
Traveling to a place near Reykjavik Keflavik Intl Airport?
Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locationsKeflavik
Hveragerdi
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