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Keflavik Intl

$240+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KEF
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Reykjavik Keflavik Intl are usually found in November or April, booked 85 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$499
(Kiwi.com)

One-way from

$240
(Netflights)

Popular in

February

Cheapest in

November

Average price

$687

Good round-trip deal

$646 or less

Good one-way deal

$323 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. 28% potential increase in price ($340 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in April 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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Find 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 April 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/10. 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 5/169:42 pmPDX - KEF
1 stop24h 03mMultiple Airlines
Sat 5/243:45 pmKEF - PDX
1 stop24h 27mMultiple Airlines
Deal found 4/10$499
This oojo deal was found by Cheapflights users on 4/9. 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 9/173:20 pmPDX - KEF
Nonstop7h 35mIcelandair
Thu 9/254:50 pmKEF - PDX
Nonstop8h 05mIcelandair
Deal found 4/9$584
This Delta deal was found by Cheapflights users on 4/9. 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 10/137:00 amPDX - KEF
1 stop19h 30mDelta
Sat 10/2511:25 amKEF - PDX
1 stop19h 04mDelta
Deal found 4/9$645
This KLM deal was found by Cheapflights users on 4/10. 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 9/311:39 amPDX - KEF
1 stop12h 21mKLM
Wed 9/178:50 amKEF - PDX
2 stops21h 58mKLM
Deal found 4/10$661
This Air France deal was found by Cheapflights users on 4/10. 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 9/287:00 amPDX - KEF
1 stop19h 30mAir France
Sun 10/1211:25 amKEF - PDX
1 stop19h 04mAir France
Deal found 4/10$664
This Netflights deal was found by Cheapflights users on 4/9. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/712:20 pmPDX - KEF
1 stop14h 10mVirgin Atlantic
Wed 5/1411:25 amKEF - PDX
1 stop18h 50mVirgin Atlantic
Deal found 4/9$707
This United deal was found by Cheapflights users on 4/10. 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 8/511:59 pmPDX - KEF
2 stops25h 11mUnited Airlines
Mon 8/1811:00 amKEF - PDX
3 stops35h 25mUnited Airlines
Deal found 4/10$710
This CheapOair deal was found by Cheapflights users on 4/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/37:40 pmPDX - KEF
2 stops53h 55mAir Canada
Sat 9/2010:00 amKEF - PDX
2 stops39h 31mAir Canada
Deal found 4/10$723
This Lufthansa deal was found by Cheapflights users on 4/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/82:14 pmPDX - KEF
2 stops26h 21mLufthansa
Wed 5/1412:25 amKEF - PDX
2 stops31h 06mLufthansa
Deal found 4/10$785
This StudentUniverse deal was found by Cheapflights users on 4/9. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/163:40 pmPDX - KEF
2 stops17h 50mFinnair
Fri 8/225:15 pmKEF - PDX
2 stops36h 49mFinnair
Deal found 4/9$852

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 April 11, 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

Fri 5/16

9:42 pm-4:45 am

1 stop24h 03m

Reykjavik Keflavik Intl

Sat 5/24

3:45 pm-9:12 am

1 stop24h 27m

$499

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 9/17

3:20 pm-5:55 am

Nonstop7h 35m

Reykjavik Keflavik Intl

Thu 9/25

4:50 pm-5:55 pm

Nonstop8h 05m

$584

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 9/3

11:39 am-7:00 am

1 stop12h 21m

Reykjavik Keflavik Intl

Fri 9/19

11:25 am-11:29 pm

1 stop19h 04m

$657

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 9/3

11:39 am-7:00 am

1 stop12h 21m

Reykjavik Keflavik Intl

Wed 9/17

8:50 am-11:48 pm

2 stops21h 58m

$661

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sun 9/28

7:00 am-9:30 am

1 stop19h 30m

Reykjavik Keflavik Intl

Sun 10/12

11:25 am-11:29 pm

1 stop19h 04m

$664

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 5/7

12:20 pm-9:30 am

1 stop14h 10m

Reykjavik Keflavik Intl

Wed 5/14

11:25 am-11:15 pm

1 stop18h 50m

$707

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 8/5

11:59 pm-8:10 am

2 stops25h 11m

Reykjavik Keflavik Intl

Mon 8/18

11:00 am-3:25 pm

3 stops35h 25m

$710

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 9/3

7:40 pm-8:35 am

2 stops53h 55m

Reykjavik Keflavik Intl

Sat 9/20

10:00 am-6:31 pm

2 stops39h 31m

$723

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Thu 5/8

2:14 pm-11:35 pm

2 stops26h 21m

Reykjavik Keflavik Intl

Wed 5/14

12:25 am-12:31 am

2 stops31h 06m

$785

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 8/16

3:40 pm-4:30 pm

2 stops17h 50m

Reykjavik Keflavik Intl

Fri 8/22

5:15 pm-11:04 pm

2 stops36h 49m

$852

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 22 results
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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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust 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 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.
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 April 4, 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 $328). Flying from Portland to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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 April 11, 2025.

When flying from Portland to Reykjavik Keflavik Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 40% versus a flight in the evening.

What is the cheapest day to fly from Portland to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Portland to Keflavik Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Reykjavik Keflavik Intl Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 April 11, 2025.
Read reviews from past customers who have flown Delta, Alaska Airlines and KLM from Portland to Reykjavik. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,910 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,910 reviews
Delta
8.0
Very good
7,910 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Alaska Airlines
8.0
Very good
9,851 reviews
Delta
8.0
Very good
7,910 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,910 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,910 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,428 reviews
Delta
8.0
Very good
7,910 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 5 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

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

    Currently priced at $584, 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. Search Cheapflights for deals from Delta and KLM - these airlines can fly you to your destination from $657 and $661, respectively. Icelandair is currently priced 32% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Portland to Reykjavik Keflavik Intl Airport one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $240. Users have also found prices from $420 and $524 on Icelandair and Air Canada, respectively.

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

    The cheapest flight price from Portland to Reykjavik Keflavik Intl Airport is $221. On average you can expect to pay $1,632. The most popular route, (Portland - Reykjavik Keflavik Intl), can usually be booked for $499.

  • 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 $328). Flying from Portland to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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.

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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
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Top 5 airlines flying from Portland to Keflavik Intl

Discover the top 5 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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$448Average$540FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$533Average$651FlexibilityNo cancel feeOn-time69%
DeltaCheapest$550Average$622FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$573Average$664FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$629Average$815FlexibilityNo cancel feeOn-time76%

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