$773+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — KEF
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Keflavik Intl with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 August 22, 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 August 22, 2026.
This Icelandair deal was found by Cheapflights users on 8/19. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:25 pm -
1 stop10h 05m
Wed 11/184:50 pm -
1 stop11h 53m
Deal found 8/19![Multiple Airlines logo]()
$773
This oojo deal was found by Cheapflights users on 8/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
1 stop20h 20m
Tue 9/295:00 pm -
1 stop10h 54m
Deal found 8/20![Icelandair logo]()
$783
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
2 stops21h 00m
Tue 9/2911:25 am -
1 stop16h 31m
Deal found 8/20![Delta logo]()
$790
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
1 stop20h 20m
Tue 9/295:00 pm -
1 stop10h 54m
Deal found 8/21![Multiple Airlines logo]()
$829
This KLM deal was found by Cheapflights users on 8/18. 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 10/24:20 pm -
1 stop13h 10m
Fri 10/911:25 am -
1 stop16h 45m
Deal found 8/18![KLM logo]()
$832
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:50 am -
2 stops18h 05m
Thu 10/812:00 pm -
1 stop13h 46m
Deal found 8/17![United Airlines logo]()
$835
This Delta deal was found by Cheapflights users on 8/18. 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.
Fri 10/26:00 am -
2 stops21h 00m
Fri 10/911:25 am -
1 stop16h 45m
Deal found 8/18![Delta logo]()
$836
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:41 pm -
2 stops37h 19m
Mon 11/1612:00 pm -
2 stops16h 21m
Deal found 8/17![United Airlines logo]()
$858
This oojo deal was found by Cheapflights users on 8/19. 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.
Tue 10/136:04 am -
2 stops24h 21m
Fri 10/165:35 pm -
2 stops34h 35m
Deal found 8/19![Scandinavian Airlines logo]()
$864
This oojo deal was found by Cheapflights users on 8/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am -
1 stop22h 55m
Mon 9/145:00 pm -
1 stop10h 54m
Deal found 8/17![Icelandair logo]()
$876
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 August 22, 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 August 22, 2026.
This Icelandair deal was found by Cheapflights users on 8/19. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:25 pm -
1 stop10h 05m
Wed 11/184:50 pm -
1 stop11h 53m
Deal found 8/19![Multiple Airlines logo]()
$773
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
2 stops21h 00m
Tue 9/299:30 am -
2 stops17h 58m
Deal found 8/20![Delta logo]()
$790
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:50 am -
2 stops18h 05m
Thu 10/812:00 pm -
1 stop13h 46m
Deal found 8/17![United Airlines logo]()
$835
This oojo deal was found by Cheapflights users on 8/19. 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.
Tue 10/136:04 am -
2 stops24h 21m
Fri 10/165:35 pm -
2 stops34h 35m
Deal found 8/19![Scandinavian Airlines logo]()
$864
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 11/128:45 am -
2 stops44h 15m
Mon 11/1612:00 pm -
1 stop14h 51m
Deal found 8/18![United Airlines logo]()
$858
This oojo deal was found by Cheapflights users on 8/19. 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.
Wed 11/44:15 pm -
2 stops37h 35m
Wed 11/186:05 pm -
2 stops34h 50m
Deal found 8/19![Scandinavian Airlines logo]()
$885
Last-minute flights from Portland to Keflavik IntlDiscover last-minute flight deals from Portland to Keflavik Intl. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Keflavik Intl. Data last updated August 22, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 8/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am -
1 stop22h 55m
Mon 9/145:00 pm -
1 stop10h 54m
Deal found 8/17![Icelandair logo]()
$876
This KAYAK deal was found by Cheapflights users on 8/18. 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 9/156:00 am -
1 stop22h 55m
Thu 9/245:00 pm -
1 stop10h 54m
Deal found 8/18![Multiple Airlines logo]()
$926
This Scandinavian Airlines deal was found by Cheapflights users on 8/18. 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 9/166:02 am -
2 stops45h 03m
Wed 9/235:35 pm -
2 stops34h 21m
Deal found 8/18![Scandinavian Airlines logo]()
$893
This Scandinavian Airlines deal was found by Cheapflights users on 8/18. 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 9/166:02 am -
2 stops45h 03m
Tue 9/225:05 pm -
2 stops34h 51m
Deal found 8/18![Scandinavian Airlines logo]()
$923
This oojo deal was found by Cheapflights users on 8/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am -
1 stop20h 20m
Wed 9/235:00 pm -
1 stop10h 54m
Deal found 8/17![Icelandair logo]()
$955
This oojo deal was found by Cheapflights users on 8/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am -
1 stop22h 55m
Sat 9/265:00 pm -
1 stop10h 54m
Deal found 8/21![Icelandair logo]()
$878
This oojo deal was found by Cheapflights users on 8/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
1 stop20h 20m
Tue 9/295:00 pm -
1 stop10h 54m
Deal found 8/20![Icelandair logo]()
$783
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
2 stops21h 00m
Tue 9/2911:25 am -
1 stop16h 31m
Deal found 8/20![Delta logo]()
$790
This FlightHub deal was found by Cheapflights users on 8/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
1 stop20h 20m
Tue 9/295:00 pm -
1 stop10h 54m
Deal found 8/21![Multiple Airlines logo]()
$829
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 August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $773 (Icelandair) |
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 7,457,451 searches. Data last updated August 22, 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 Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Wed 11/4
3:25 pm-6:30 am
1 stop10h 05m
Reykjavik Keflavik Intl
Wed 11/18
4:50 pm-11:43 pm
1 stop11h 53m
$773
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Tue 9/22
6:00 am-7:00 am
2 stops21h 00m
Reykjavik Keflavik Intl
Tue 9/29
9:30 am-11:28 pm
2 stops17h 58m
$790
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Thu 10/1
9:50 am-7:55 am
2 stops18h 05m
Reykjavik Keflavik Intl
Thu 10/8
12:00 pm-9:46 pm
1 stop13h 46m
$835
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Thu 11/12
8:45 am-10:00 am
2 stops44h 15m
Reykjavik Keflavik Intl
Mon 11/16
12:00 pm-9:51 pm
1 stop14h 51m
$858
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Tue 10/13
6:04 am-10:25 am
2 stops24h 21m
Reykjavik Keflavik Intl
Fri 10/16
5:35 pm-12:10 am
2 stops34h 35m
$864
PortlandReykjavik
PWM Portland - KEF Reykjavik Keflavik Intl
PWMKEF
Portland
Wed 11/4
4:15 pm-10:50 am
2 stops37h 35m
Reykjavik Keflavik Intl
Wed 11/18
6:05 pm-11:55 pm
2 stops34h 50m
$885
Sorted 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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