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Keflavik Intl

$279+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KEF
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 76 days in advance, depart on a Tuesday or Saturday and return on a Monday

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 June 30, 2025.

Round-trip from

$379
(Mytrip)

One-way from

$279
(Mytrip)

Popular in

February

Cheapest in

November

Average price

$848

Good round-trip deal

$502 or less

Good one-way deal

$292 or less
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. 31% potential increase in price ($420 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 30, 2025.

This Mytrip deal was found by Cheapflights users on 6/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/93:20 pmPDX - KEF
Nonstop7h 35mIcelandair
Fri 10/174:50 pmKEF - PDX
Nonstop8h 05mIcelandair
Deal found 6/29$379
This Mytrip deal was found by Cheapflights users on 6/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1710:05 amPDX - KEF
2 stops39h 10mAir Canada
Tue 8/269:50 amKEF - PDX
2 stops20h 11mAir Canada
Deal found 6/29$408
This United Airlines deal was found by Cheapflights users on 6/30. 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 8/2110:50 pmPDX - KEF
2 stops26h 30mUnited Airlines
Fri 8/299:30 amKEF - PDX
2 stops36h 55mUnited Airlines
Deal found 6/30$413
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/271:25 pmPDX - KEF
1 stop13h 05mDelta
Sun 10/128:45 amKEF - PDX
1 stop20h 09mDelta
Deal found 6/29$424
This KLM deal was found by Cheapflights users on 6/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:45 amPDX - KEF
1 stop12h 15mKLM
Tue 8/2611:25 amKEF - PDX
1 stop17h 06mKLM
Deal found 6/29$436
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:00 amPDX - KEF
2 stops39h 10mMultiple Airlines
Tue 9/304:10 pmKEF - PDX
2 stops33h 36mMultiple Airlines
Deal found 6/28$505

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 30, 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 10/9

3:20 pm-5:55 am

Nonstop7h 35m

Reykjavik Keflavik Intl

Fri 10/17

4:50 pm-5:55 pm

Nonstop8h 05m

$379

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sun 8/17

10:05 am-8:15 am

2 stops39h 10m

Reykjavik Keflavik Intl

Tue 8/26

9:50 am-11:01 pm

2 stops20h 11m

$408

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Thu 8/21

10:50 pm-8:20 am

2 stops26h 30m

Reykjavik Keflavik Intl

Fri 8/29

9:30 am-3:25 pm

2 stops36h 55m

$413

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 9/27

7:15 am-9:30 am

1 stop19h 15m

Reykjavik Keflavik Intl

Mon 10/6

11:25 am-9:24 pm

1 stop16h 59m

$424

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Wed 9/24

10:00 am-8:10 am

2 stops39h 10m

Reykjavik Keflavik Intl

Tue 9/30

4:10 pm-6:46 pm

2 stops33h 36m

$505

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sun 9/14

7:59 pm-4:55 am

2 stops25h 56m

$279

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sun 9/14

1:45 pm-8:15 am

1 stop11h 30m

$371

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 9/13

6:15 am-8:10 am

2 stops18h 55m

$396

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sun 8/31

11:59 pm-8:15 am

2 stops25h 16m

$407

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 10/6

3:20 pm-5:55 am

Nonstop7h 35m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 13 results
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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 June 27, 2025.

The best time to book flights from Portland to Reykjavik Keflavik Intl Airport is 74 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 June is currently the most expensive (average of $653). 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 June 30, 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.

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 30, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Air France 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
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,365 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,471 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,908 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 1 outbound flight to Reykjavik Keflavik Intl per day from 2 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 $379, 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 Air Canada and United Airlines - these airlines can fly you to your destination from $408 and $413, respectively. Icelandair is currently priced 58% 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 $371. Users have also found prices from $396 and $407 on Air Canada and United Airlines, 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 $203. On average you can expect to pay $1,377. The most popular route, (Portland - Reykjavik Keflavik Intl), can usually be booked for $379.

  • 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 June is currently the most expensive (average of $653). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Keflavik
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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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$522Average$686FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$561Average$794FlexibilityNo cancel feeOn-time76%

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