$374+ Cheap flights from Portland (PDX) 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KEF
Jul 16 — Jul 231
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.Cheapflights Tip: The best prices from Portland to Reykjavik Keflavik Intl are usually found in November or October, booked 82 days in advance, depart on a Monday or Tuesday and return on a Monday
Cheap flight deals from Portland to Keflavik Intl
Cheapest
Best
Last-minute
One-way
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 June 16, 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 June 16, 2026.
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:40 pm
PDX
- KEF
1 stop27h 10m
Multiple Airlines
Tue 7/79:15 am
KEF
- PDX
2 stops31h 16m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$490
This United deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:30 pm
PDX
- KEF
1 stop26h 00m
Multiple Airlines
Mon 6/2210:00 am
KEF
- PDX
2 stops30h 31m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$495
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:30 pm
PDX
- KEF
2 stops33h 25m
Air Canada
Tue 7/79:15 am
KEF
- PDX
2 stops31h 16m
Air Canada
Deal found 6/12![Air Canada logo]()
$501
This FlightHub deal was found by Cheapflights users on 6/16. 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 7/77:45 pm
PDX
- KEF
2 stops29h 10m
Air Canada
Tue 7/1410:00 am
KEF
- PDX
2 stops30h 31m
Air Canada
Deal found 6/16![Air Canada logo]()
$505
This FlightHub deal was found by Cheapflights users on 6/15. 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.
Thu 7/910:10 am
PDX
- KEF
2 stops14h 45m
Air Canada
Wed 7/229:50 am
KEF
- PDX
2 stops30h 41m
Air Canada
Deal found 6/15![Air Canada logo]()
$506
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:51 am
PDX
- KEF
1 stop14h 59m
Multiple Airlines
Wed 6/249:50 am
KEF
- PDX
2 stops30h 41m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$507
This KLM deal was found by Cheapflights users on 6/15. 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.
Wed 7/811:46 am
PDX
- KEF
1 stop12h 14m
Multiple Airlines
Thu 7/238:45 am
KEF
- PDX
1 stop20h 03m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$509
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:10 am
PDX
- KEF
2 stops15h 35m
Air Canada
Thu 7/910:00 am
KEF
- PDX
2 stops16h 11m
Air Canada
Deal found 6/12![Air Canada logo]()
$510
This United deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:00 am
PDX
- KEF
2 stops18h 30m
Multiple Airlines
Wed 6/249:50 am
KEF
- PDX
2 stops16h 21m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/85:00 am
PDX
- KEF
2 stops19h 55m
United Airlines
Wed 7/2212:00 pm
KEF
- PDX
1 stop13h 47m
United Airlines
Deal found 6/15![United Airlines logo]()
$512
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 June 16, 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 June 16, 2026.
This United deal was found by Cheapflights users on 6/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:30 pm
PDX
- KEF
1 stop26h 00m
Multiple Airlines
Tue 7/79:15 am
KEF
- PDX
2 stops31h 16m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$491
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/410:46 am
PDX
- KEF
1 stop15h 04m
United Airlines
Fri 7/1011:00 am
KEF
- PDX
1 stop17h 46m
United Airlines
Deal found 6/14![United Airlines logo]()
$509
This KLM deal was found by Cheapflights users on 6/14. 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 7/287:05 am
PDX
- KEF
1 stop19h 25m
KLM
Sat 8/19:30 am
KEF
- PDX
1 stop15h 05m
KLM
Deal found 6/14![KLM logo]()
$561
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.
Wed 9/236:00 am
PDX
- KEF
1 stop18h 00m
Delta
Sat 10/311:25 am
KEF
- PDX
1 stop16h 37m
Delta
Deal found 6/11![Delta logo]()
$599
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/110:46 am
PDX
- KEF
1 stop15h 04m
United Airlines
Sat 7/1112:00 pm
KEF
- PDX
1 stop13h 47m
United Airlines
Deal found 6/15![United Airlines logo]()
$509
This KLM deal was found by Cheapflights users on 6/15. 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.
Wed 7/2911:46 am
PDX
- KEF
1 stop12h 14m
Multiple Airlines
Mon 8/39:30 am
KEF
- PDX
1 stop20h 50m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/1211:40 pm
PDX
- KEF
1 stop26h 10m
United Airlines
Thu 7/239:15 am
KEF
- PDX
2 stops31h 19m
United Airlines
Deal found 6/15![United Airlines logo]()
$518
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/102:25 pm
PDX
- KEF
1 stop11h 25m
United Airlines
Sat 7/189:15 am
KEF
- PDX
2 stops31h 19m
United Airlines
Deal found 6/12![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/1211:40 pm
PDX
- KEF
1 stop26h 10m
United Airlines
Sun 7/1911:30 am
KEF
- PDX
2 stops29h 04m
United Airlines
Deal found 6/14![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/910:40 pm
PDX
- KEF
1 stop27h 10m
United Airlines
Mon 7/1312:00 pm
KEF
- PDX
2 stops31h 07m
United Airlines
Deal found 6/15![United Airlines logo]()
$519
Last-minute flights from Portland to Keflavik IntlDiscover last-minute flight deals from Portland to Keflavik Intl. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Keflavik Intl. Data last updated June 16, 2026 and is based on user searches.
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:51 am
PDX
- KEF
1 stop14h 59m
Multiple Airlines
Wed 6/249:50 am
KEF
- PDX
2 stops30h 41m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$507
This United deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:00 am
PDX
- KEF
2 stops18h 30m
Multiple Airlines
Wed 6/249:50 am
KEF
- PDX
2 stops16h 21m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$511
This United deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:30 pm
PDX
- KEF
1 stop26h 00m
Multiple Airlines
Mon 6/2210:00 am
KEF
- PDX
2 stops30h 31m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$495
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:10 am
PDX
- KEF
2 stops15h 35m
Air Canada
Thu 7/910:00 am
KEF
- PDX
2 stops16h 11m
Air Canada
Deal found 6/12![Air Canada logo]()
$510
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:30 pm
PDX
- KEF
2 stops33h 25m
Air Canada
Fri 7/109:15 am
KEF
- PDX
2 stops31h 16m
Air Canada
Deal found 6/12![Air Canada logo]()
$501
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:40 pm
PDX
- KEF
1 stop27h 10m
Multiple Airlines
Tue 7/79:15 am
KEF
- PDX
2 stops31h 16m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$490
This FlightHub deal was found by Cheapflights users on 6/16. 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 7/77:45 pm
PDX
- KEF
2 stops29h 10m
Air Canada
Tue 7/1410:00 am
KEF
- PDX
2 stops30h 31m
Air Canada
Deal found 6/16![Air Canada logo]()
$505
This KLM deal was found by Cheapflights users on 6/15. 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.
Wed 7/811:46 am
PDX
- KEF
1 stop12h 14m
Multiple Airlines
Thu 7/238:45 am
KEF
- PDX
1 stop20h 03m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/85:00 am
PDX
- KEF
2 stops19h 55m
United Airlines
Wed 7/2212:00 pm
KEF
- PDX
1 stop13h 47m
United Airlines
Deal found 6/15![United Airlines logo]()
$512
This FlightHub deal was found by Cheapflights users on 6/15. 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.
Thu 7/910:10 am
PDX
- KEF
2 stops14h 45m
Air Canada
Wed 7/229:50 am
KEF
- PDX
2 stops30h 41m
Air Canada
Deal found 6/15![Air Canada logo]()
$506
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 June 16, 2026.
Search for one-way flight options from Portland to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Mytrip deal was found by Cheapflights users on 6/14. 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.
Mon 8/247:45 pm
PDX
- KEF
2 stops28h 55m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 9/195:30 pm
PDX
- KEF
2 stops31h 10m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$407
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:19 am
PDX
- KEF
2 stops18h 26m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$409
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/42:30 pm
PDX
- KEF
1 stop10h 10m
WestJet
Deal found 6/12![WestJet logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Wed 8/129:48 pm
PDX
- KEF
2 stops26h 52m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$426
This Air Canada deal was found by Cheapflights users on 6/13. 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.
Tue 6/237:45 pm
PDX
- KEF
2 stops29h 10m
Air Canada
Deal found 6/13![Air Canada logo]()
$433
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/57:45 pm
PDX
- KEF
2 stops29h 10m
Air Canada
Deal found 6/12![Air Canada logo]()
$434
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/32:25 pm
PDX
- KEF
1 stop11h 25m
United Airlines
Deal found 6/12![United Airlines logo]()
$435
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:45 pm
PDX
- KEF
3 stops29h 00m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$438
This Justfly.com deal was found by Cheapflights users on 6/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:45 pm
PDX
- KEF
2 stops30h 00m
Air Canada
Deal found 6/16![Air Canada logo]()
$439
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:50 pm
PDX
- KEF
2 stops30h 40m
United Airlines
Deal found 6/12![United Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/1811:40 pm
PDX
- KEF
1 stop26h 10m
United Airlines
Deal found 6/16![United Airlines logo]()
$453
Find flight deals from Portland to Keflavik Intl
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $490 (United) |
One-way from | $374 (Mytrip) |
Popular in | February |
Cheapest in | November |
Average price | $751 |
Good round-trip deal | $580 or less |
Good one-way deal | $369 or less |
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 June 16, 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
PortlandReykjavik
PDX - KEF
PDXKEF
Portland
Thu 7/2
11:30 pm-8:30 am
1 stop26h 00m
Reykjavik Keflavik Intl
Tue 7/7
9:15 am-9:31 am
2 stops31h 16m
$491
PortlandReykjavik
PDX - KEF
PDXKEF
Portland
Sat 7/4
10:46 am-8:50 am
1 stop15h 04m
Reykjavik Keflavik Intl
Fri 7/10
11:00 am-9:46 pm
1 stop17h 46m
$509
Quickest round-trip
PortlandReykjavik
PDX - KEF
PDXKEF
Portland
Wed 7/1
10:46 am-8:50 am
1 stop15h 04m
Reykjavik Keflavik Intl
Sat 7/11
12:00 pm-6:47 pm
1 stop13h 47m
$509
PortlandReykjavik
PDX - KEF
PDXKEF
Portland
Sun 7/12
11:40 pm-8:50 am
1 stop26h 10m
Reykjavik Keflavik Intl
Thu 7/23
9:15 am-9:34 am
2 stops31h 19m
$518
PortlandReykjavik
PDX - KEF
PDXKEF
Portland
Fri 7/10
2:25 pm-8:50 am
1 stop11h 25m
Reykjavik Keflavik Intl
Sat 7/18
9:15 am-9:34 am
2 stops31h 19m
$518
PortlandReykjavik
PDX - KEF
PDXKEF
Portland
Sun 7/12
11:40 pm-8:50 am
1 stop26h 10m
Reykjavik Keflavik Intl
Sun 7/19
11:30 am-9:34 am
2 stops29h 04m
$519
PortlandReykjavik
PDX - KEF
PDXKEF
Portland
Thu 7/9
10:40 pm-8:50 am
1 stop27h 10m
Reykjavik Keflavik Intl
Mon 7/13
12:00 pm-12:07 pm
2 stops31h 07m
$519
PortlandReykjavik
PDX - KEF
PDXKEF
Portland
Tue 7/28
7:05 am-9:30 am
1 stop19h 25m
Reykjavik Keflavik Intl
Sat 8/1
9:30 am-5:35 pm
1 stop15h 05m
$561
PortlandReykjavik
PDX - KEF
PDXKEF
Portland
Wed 7/29
11:46 am-7:00 am
1 stop12h 14m
Reykjavik Keflavik Intl
Mon 8/3
9:30 am-11:20 pm
1 stop20h 50m
$561
PortlandReykjavik
PDX - KEF
PDXKEF
Portland
Wed 9/23
6:00 am-7:00 am
1 stop18h 00m
Reykjavik Keflavik Intl
Sat 10/3
11:25 am-9:02 pm
1 stop16h 37m
$599
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Portland to Keflavik Intl
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 Portland to Keflavik Intl in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-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-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-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-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.
PDX-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.
Cheapflights Insights
Everything you need to know about your flight from Portland to Reykjavik Keflavik Intl Airport
How far ahead should I book a flight from Portland to Reykjavik Keflavik Intl Airport?
The best time to book flights from Portland to Reykjavik Keflavik Intl Airport is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest time of day to fly from PDX to KEF?
Find hourly flight availability from Portland to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Reykjavik Keflavik Intl Airport as you normally would.
How much does it cost to fly round-trip from Portland to Reykjavik Keflavik Intl Airport?
Reviews of airlines servicing Keflavik Intl
Get insights into the airlines that provide service to Keflavik Intl. 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 Keflavik Intl. Reviews last updated June 16, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andIcelandair from Portland to Reykjavik Keflavik Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Entertainment
7.0
Overall
7.9
Comfort
7.8
Food
7.1
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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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Other flights to Keflavik Intl
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Portland and Keflavik Intl flights
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Top 3 airlines flying from Portland to Keflavik Intl
Discover the top 3 airlines that operate flights from Portland to Keflavik Intl. 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 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$363 | Average$618 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$470 | Average$664 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$601 | Average$994 | FlexibilityNo cancel fee | On-time75% |