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Keflavik Intl

$422+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KEF
Jan 28 — Feb 41
Wed 1/28
Wed 2/4
1 adult, Economy
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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 Tuesday or Saturday and return on a Monday

Cheap flight deals from Portland to Keflavik Intl

Cheapest flights from Portland to Keflavik Intl
Explore the most affordable flight options available from Portland to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 29, 2025.

This oojo deal was found by Cheapflights users on 12/29. 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 12/319:26 amPDX - KEF
1 stop12h 49mIcelandair
Mon 1/55:00 pmKEF - PDX
1 stop13h 59mIcelandair
Deal found 12/29$2,025
This Icelandair deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:26 amPDX - KEF
1 stop12h 49mMultiple Airlines
Sun 1/44:55 pmKEF - PDX
1 stop15h 30mMultiple Airlines
Deal found 12/28$2,070
This Icelandair deal was found by Cheapflights users on 12/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:14 amPDX - KEF
1 stop16h 01mMultiple Airlines
Mon 1/55:00 pmKEF - PDX
1 stop24h 28mMultiple Airlines
Deal found 12/27$2,888
This Finnair deal was found by Cheapflights users on 12/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:45 pmPDX - KEF
2 stops31h 30mFinnair
Mon 1/510:00 amKEF - PDX
2 stops61h 55mFinnair
Deal found 12/28$3,668
This oojo deal was found by Cheapflights users on 12/29. 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 12/315:45 pmPDX - KEF
1 stop33h 10mBritish Airways
Mon 1/511:50 amKEF - PDX
2 stops36h 37mBritish Airways
Deal found 12/29$6,135

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 December 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$466
(Mytrip)

One-way from

$422
(oojo)

Popular in

February

Cheapest in

November

Average price

$910

Good round-trip deal

$520 or less

Good one-way deal

$409 or less
Provider with most accurate pricing for Portland-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Reykjavik Keflavik Intl flights.
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From Portland to Reykjavik Keflavik Intl
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One-way flight from Portland to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 43% potential increase in price ($730 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($111 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Portland to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from Portland to Reykjavik Keflavik Intl.
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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 December 29, 2025.
Use the filters below to find and compare flights from Portland to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Portland

Fly to

Keflavik Intl

Route

Depart

Return

Price

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Thu 3/26

3:45 pm-6:15 am

Nonstop7h 30m

Reykjavik Keflavik Intl

Wed 4/1

4:50 pm-6:00 pm

Nonstop8h 10m

$474

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 3/17

3:45 pm-6:15 am

Nonstop7h 30m

Reykjavik Keflavik Intl

Mon 4/20

4:50 pm-6:00 pm

Nonstop8h 10m

$474

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 3/3

6:00 am-6:15 am

1 stop16h 15m

Reykjavik Keflavik Intl

Mon 3/9

5:00 pm-10:41 pm

1 stop12h 41m

$646

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 1/27

9:10 am-6:15 am

1 stop13h 05m

Reykjavik Keflavik Intl

Tue 2/3

5:00 pm-8:47 pm

1 stop11h 47m

$656

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 1/26

10:30 am-6:15 am

1 stop11h 45m

Reykjavik Keflavik Intl

Mon 2/2

5:00 pm-8:47 pm

1 stop11h 47m

$679

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 1/24

7:45 am-2:20 pm

2 stops22h 35m

Reykjavik Keflavik Intl

Sat 1/31

2:20 pm-10:32 pm

2 stops40h 12m

$728

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 3/25

9:30 pm-9:45 pm

1 stop17h 15m

Reykjavik Keflavik Intl

Sun 3/29

8:20 pm-9:23 am

1 stop20h 03m

$763

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 3/24

3:45 pm-6:15 am

Nonstop7h 30m

Reykjavik Keflavik Intl

Sun 3/29

4:50 pm-6:00 pm

Nonstop8h 10m

$773

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 3/25

9:00 am-6:15 am

1 stop14h 15m

Reykjavik Keflavik Intl

Wed 4/1

4:50 pm-6:00 pm

Nonstop8h 10m

$822

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 3/16

3:45 pm-6:15 am

Nonstop7h 30m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 17 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Keflavik Intl. Price data was last updated on December 26, 2025.

The best time to book flights from Portland to Reykjavik Keflavik Intl Airport is 82 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, November is the cheapest month in which you can book a flight from Portland to Reykjavik Keflavik Intl Airport (average of $362). Flying from Portland to Reykjavik Keflavik Intl Airport in January is currently the most expensive (average of $1,822). 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.

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 December 29, 2025.
Get a feel of what it's like to fly with Delta and Icelandair 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.
Delta
7.9
Good
8,015 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,015 reviews
Delta
7.9
Good
8,015 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Icelandair
7.0
Good
592 reviews
Delta
7.9
Good
8,015 reviews

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Portland to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Reykjavik Keflavik Intl?

    Most people fly from Portland (PDX) if they book a flight from Portland to Reykjavik Keflavik Intl. On average, Portland has 0 outbound flights to Reykjavik Keflavik Intl per day from 2 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

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

    Icelandair can get you from Portland to Reykjavik Keflavik Intl Airport in just under 7h 30m. Your travel time will be generally consistent. Airlines will cover a distance of 3724 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Portland to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at $363, Icelandair will fly you from Portland to Reykjavik Keflavik Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $424. Icelandair is currently priced 61% below the average price you’ll pay for this route.

  • What are the cheapest flights from Portland to Reykjavik Keflavik Intl Airport?

    The cheapest flight price from Portland to Reykjavik Keflavik Intl Airport is $297. On average you can expect to pay $1,350. The most popular route, (Portland - Reykjavik Keflavik Intl), can usually be booked for $466.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, November is the cheapest month in which you can book a flight from Portland to Reykjavik Keflavik Intl Airport (average of $362). Flying from Portland to Reykjavik Keflavik Intl Airport in January is currently the most expensive (average of $1,822). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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Alternative routes for Portland to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Keflavik Intl flights
Medford to Keflavik Intl flights
Redmond to Keflavik Intl flights

Top 2 airlines flying from Portland to Keflavik Intl

Discover the top 2 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 December 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$363Average$724FlexibilityNo cancel feeOn-time76%
DeltaCheapest$424Average$690FlexibilityNo cancel feeOn-timeN/A

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