$426+ Cheap flights from Portland (PDX) 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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KEF
Nov 19 — Nov 261
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 January or October, booked 39 days in advance, depart on a Monday or Tuesday and return on a Tuesday
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 October 20, 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 October 20, 2026.
This AirNGo deal was found by Cheapflights users on 10/15. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:30 pm -
Nonstop7h 45m
Wed 10/284:50 pm -
Nonstop8h 10m
Deal found 10/15![Icelandair logo]()
$470
This deal was found by Cheapflights users on 10/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:45 pm -
Nonstop7h 30m
Wed 11/114:50 pm -
Nonstop8h 10m
Deal found 10/17![Icelandair logo]()
$471
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:45 pm -
Nonstop7h 30m
Sun 11/224:50 pm -
Nonstop8h 10m
Deal found 10/16![Icelandair logo]()
$472
This FlightHub deal was found by Cheapflights users on 10/15. 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.
Mon 11/92:45 pm -
Nonstop7h 30m
Fri 11/204:50 pm -
Nonstop8h 10m
Deal found 10/15![Icelandair logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:45 pm -
Nonstop7h 30m
Mon 11/234:50 pm -
Nonstop8h 10m
Deal found 10/15![Icelandair logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:45 pm -
Nonstop7h 30m
Fri 11/64:50 pm -
Nonstop8h 10m
Deal found 10/16![Icelandair logo]()
$489
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 11/132:34 pm -
1 stop11h 26m
Sat 11/2112:00 pm -
1 stop15h 12m
Deal found 10/15![United Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 11/74:25 pm -
2 stops33h 35m
Thu 11/1912:00 pm -
2 stops20h 54m
Deal found 10/15![United Airlines logo]()
$497
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Tue 10/2011:30 pm -
1 stop26h 20m
Sat 10/3112:00 pm -
1 stop14h 12m
Deal found 10/17![United Airlines logo]()
$498
This deal was found by Cheapflights users on 10/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:45 pm -
Nonstop7h 30m
Mon 11/94:50 pm -
Nonstop8h 10m
Deal found 10/17![Icelandair logo]()
$502
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:45 pm -
Nonstop7h 30m
Mon 11/164:50 pm -
Nonstop8h 10m
Deal found 10/16![Icelandair logo]()
$503
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Wed 10/212:27 pm -
1 stop11h 23m
Sat 10/3112:00 pm -
2 stops41h 02m
Deal found 10/17![United Airlines logo]()
$504
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 October 20, 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 October 20, 2026.
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 11/711:30 pm -
1 stop26h 30m
Thu 11/1912:00 pm -
1 stop15h 12m
Deal found 10/15![United Airlines logo]()
$498
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 11/277:00 am -
1 stop19h 00m
Thu 12/1012:00 pm -
2 stops18h 45m
Deal found 10/15![United Airlines logo]()
$627
This United Airlines deal was found by Cheapflights users on 10/18. 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 10/294:25 pm -
2 stops34h 35m
Thu 11/512:00 pm -
2 stops20h 54m
Deal found 10/18![United Airlines logo]()
$627
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:26 pm -
2 stops30h 34m
Mon 11/1612:00 pm -
2 stops29h 36m
Deal found 10/19![United Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Wed 11/45:00 am -
2 stops21h 00m
Sat 11/1412:00 pm -
1 stop15h 12m
Deal found 10/17![United Airlines logo]()
$708
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/45:00 am -
2 stops21h 00m
Mon 11/912:00 pm -
2 stops18h 46m
Deal found 10/15![United Airlines logo]()
$708
Last-minute flights from Portland to Keflavik IntlDiscover last-minute flight deals from Portland to Keflavik Intl. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Keflavik Intl. Data last updated October 20, 2026 and is based on user searches.
This AirNGo deal was found by Cheapflights users on 10/15. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:30 pm -
Nonstop7h 45m
Wed 10/284:50 pm -
Nonstop8h 10m
Deal found 10/15![Icelandair logo]()
$470
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Tue 10/2011:30 pm -
1 stop26h 20m
Thu 10/2912:00 pm -
1 stop14h 12m
Deal found 10/17![United Airlines logo]()
$498
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Wed 10/212:27 pm -
1 stop11h 23m
Sat 10/3112:00 pm -
2 stops41h 02m
Deal found 10/17![United Airlines logo]()
$504
This deal was found by Cheapflights users on 10/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:45 pm -
Nonstop7h 30m
Wed 11/114:50 pm -
Nonstop8h 10m
Deal found 10/17![Icelandair logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:45 pm -
Nonstop7h 30m
Fri 11/64:50 pm -
Nonstop8h 10m
Deal found 10/16![Icelandair logo]()
$489
This deal was found by Cheapflights users on 10/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:45 pm -
Nonstop7h 30m
Mon 11/94:50 pm -
Nonstop8h 10m
Deal found 10/17![Icelandair logo]()
$502
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Sat 11/74:25 pm -
2 stops33h 35m
Thu 11/1912:00 pm -
2 stops20h 54m
Deal found 10/15![United Airlines logo]()
$497
This FlightHub deal was found by Cheapflights users on 10/15. 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.
Mon 11/92:45 pm -
Nonstop7h 30m
Fri 11/204:50 pm -
Nonstop8h 10m
Deal found 10/15![Icelandair logo]()
$485
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:45 pm -
Nonstop7h 30m
Mon 11/164:50 pm -
Nonstop8h 10m
Deal found 10/16![Icelandair logo]()
$503
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Fri 11/132:34 pm -
1 stop11h 26m
Sat 11/2112:00 pm -
1 stop15h 12m
Deal found 10/15![United Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:45 pm -
Nonstop7h 30m
Mon 11/234:50 pm -
Nonstop8h 10m
Deal found 10/15![Icelandair logo]()
$487
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:45 pm -
Nonstop7h 30m
Sun 11/224:50 pm -
Nonstop8h 10m
Deal found 10/16![Icelandair logo]()
$472
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 October 20, 2026.
Search for one-way flight options from Portland to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This Delta deal was found by Cheapflights users on 10/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/297:00 am -
1 stop19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Delta logo]()
$426
This Delta deal was found by Cheapflights users on 10/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/285:10 pm -
2 stops33h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Delta logo]()
$432
This oojo deal was found by Cheapflights users on 10/17. 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 3/267:05 pm -
Nonstop7h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Icelandair logo]()
$436
This oojo deal was found by Cheapflights users on 10/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/42:45 pm -
Nonstop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Icelandair logo]()
$446
This Cheapflightsfares deal was found by Cheapflights users on 10/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/22:45 pm -
Nonstop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Icelandair logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 10/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/247:05 pm -
Nonstop7h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Icelandair logo]()
$474
This FlightHub deal was found by Cheapflights users on 10/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/112:45 pm -
Nonstop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Icelandair logo]()
$479
This Air France deal was found by Cheapflights users on 10/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/287:00 am -
1 stop19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Air France logo]()
$481
This oojo deal was found by Cheapflights users on 10/20. 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.
Sun 10/258:09 am -
1 stop16h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Icelandair logo]()
$541
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 am -
2 stops20h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$550
This Delta deal was found by Cheapflights users on 10/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/275:45 pm -
2 stops32h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Delta logo]()
$578
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 October 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $471 |
One-way from | $426 (Delta) |
Popular in | February |
Cheapest in | January |
Average price | $446 |
Good round-trip deal | $503 or less |
Good one-way deal | $309 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 7,457,451 searches. Data last updated October 20, 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 Portland - KEF Reykjavik Keflavik Intl
PDXKEF
Portland
Fri 10/23
7:00 am-9:30 am
1 stop19h 30m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$431
Quickest round-trip
PortlandReykjavik
PDX Portland - KEF Reykjavik Keflavik Intl
PDXKEF
Portland
Sat 1/2
2:45 pm-6:15 am
Nonstop7h 30m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$460
PortlandReykjavik
PDX Portland - KEF Reykjavik Keflavik Intl
PDXKEF
Portland
Sat 11/7
11:30 pm-10:00 am
1 stop26h 30m
Reykjavik Keflavik Intl
Thu 11/19
12:00 pm-7:12 pm
1 stop15h 12m
$498
PortlandReykjavik
PDX Portland - KEF Reykjavik Keflavik Intl
PDXKEF
Portland
Sun 10/25
7:00 am-10:00 am
2 stops20h 00m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$550
PortlandReykjavik
PDX Portland - KEF Reykjavik Keflavik Intl
PDXKEF
Portland
Mon 1/4
6:05 am-6:15 am
1 stop16h 10m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$573
PortlandReykjavik
PDX Portland - KEF Reykjavik Keflavik Intl
PDXKEF
Portland
Sat 1/2
11:59 pm-10:00 am
2 stops26h 01m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$591
PortlandReykjavik
PDX Portland - KEF Reykjavik Keflavik Intl
PDXKEF
Portland
Mon 1/11
10:00 am-2:25 pm
2 stops20h 25m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$604
PortlandReykjavik
PDX Portland - KEF Reykjavik Keflavik Intl
PDXKEF
Portland
Fri 11/27
7:00 am-10:00 am
1 stop19h 00m
Reykjavik Keflavik Intl
Thu 12/10
12:00 pm-10:45 pm
2 stops18h 45m
$627
PortlandReykjavik
PDX Portland - KEF Reykjavik Keflavik Intl
PDXKEF
Portland
Thu 10/29
4:25 pm-10:00 am
2 stops34h 35m
Reykjavik Keflavik Intl
Thu 11/5
12:00 pm-12:54 am
2 stops20h 54m
$627
PortlandReykjavik
PDX Portland - KEF Reykjavik Keflavik Intl
PDXKEF
Portland
Mon 1/4
5:45 pm-9:15 am
2 stops31h 30m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$632
Showing 1-10 of 17 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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 38 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 month to book a flight from Portland to Reykjavik Keflavik Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Portland to Reykjavik Keflavik Intl Airport (average of $429). Flying from Portland to Reykjavik Keflavik Intl Airport in February is currently the most expensive (average of $1,209). 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 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 October 20, 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.
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 October 20, 2026.
Get a feel of what it's like to fly with Alaska Airlines,United Airlines, 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.
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.0
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.0
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.0
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.0
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
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 locationsHveragerdi
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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 7,457,451 searches. Data last updated October 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$429 | Average$725 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$454 | Average$606 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$601 | Average$994 | FlexibilityNo cancel fee | On-time75% |