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Cheap flights from Portland to Reykjavik from $422

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Reykjavik departing on 3/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Portland to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:45 pm - 6:15 am
PDX
-
KEF
7h 30mnonstop
Icelandair Logo
4:50 pm - 6:00 pm
KEF
-
PDX
8h 10mnonstop
$464Icelandair
Tue, Mar 17 - Mon, Apr 20
Icelandair Logo
3:45 pm - 6:15 am
PDX
-
KEF
7h 30mnonstop
Icelandair Logo
4:50 pm - 6:00 pm
KEF
-
PDX
8h 10mnonstop
$465Icelandair
Mon, Mar 16 - Mon, Apr 20
Icelandair Logo
3:30 pm - 6:05 am
PDX
-
KEF
7h 35mnonstop
Icelandair Logo
4:50 pm - 6:00 pm
KEF
-
PDX
8h 10mnonstop
$488Icelandair
Tue, Apr 21 - Sun, Apr 26
Multiple Airlines Logo
7:10 am - 2:20 pm
PDX
-
KEF
23h 10m2 stops
Multiple Airlines Logo
3:10 pm - 6:30 pm
KEF
-
PDX
35h 20m2 stops
$517Multiple Airlines
Sat, Jan 24 - Sat, Jan 31
Icelandair Logo
3:30 pm - 6:05 am
PDX
-
KEF
7h 35mnonstop
Icelandair Logo
4:50 pm - 6:00 pm
KEF
-
PDX
8h 10mnonstop
$568Icelandair
Thu, Apr 9 - Sun, Apr 12
Icelandair Logo
2:45 pm - 6:15 am
PDX
-
KEF
7h 30mnonstop
Icelandair Logo
4:50 pm - 6:00 pm
KEF
-
PDX
8h 10mnonstop
$582Icelandair
Sat, Mar 7 - Sun, Apr 19
Icelandair Logo
3:45 pm - 6:15 am
PDX
-
KEF
7h 30mnonstop
Icelandair Logo
4:50 pm - 6:00 pm
KEF
-
PDX
8h 10mnonstop
$596Icelandair
Mon, Mar 9 - Fri, Mar 13
Icelandair Logo
2:45 pm - 6:15 am
PDX
-
KEF
7h 30mnonstop
Icelandair Logo
4:50 pm - 6:00 pm
KEF
-
PDX
8h 10mnonstop
$602Icelandair
Sat, Mar 7 - Fri, Mar 13
Icelandair Logo
3:30 pm - 6:05 am
PDX
-
KEF
7h 35mnonstop
Icelandair Logo
4:50 pm - 6:00 pm
KEF
-
PDX
8h 10mnonstop
$608Icelandair
Thu, Apr 23 - Mon, Apr 27
Multiple Airlines Logo
9:10 am - 2:15 pm
PDX
-
KEF
21h 05m2 stops
Multiple Airlines Logo
3:20 pm - 9:15 am
KEF
-
PDX
49h 55m2 stops
$613Multiple Airlines
Fri, Jan 23 - Tue, Jan 27

Alaska Airlines flights from Portland to Reykjavik Keflavik Intl Airport

Our best Alaska Airlines deals on Portland to Reykjavik Keflavik Intl Airport flight tickets
Alaska Airlines
May 29
PDX11:58 amPortland
14h 52m
1 stop
KEF9:50 amReykjavik Keflavik Intl
Jun 6
KEF12:45 pmReykjavik Keflavik Intl
18h 19m
1 stop
PDX12:04 amPortland
$730
Find similar
Alaska Airlines
Dec 24
PDX5:10 amPortland
17h 05m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Dec 27
KEF5:00 pmReykjavik Keflavik Intl
11h 45m
1 stop
PDX8:45 pmPortland
$1,096
Find similar
Alaska Airlines
Dec 24
PDX7:13 amPortland
15h 02m
2 stops
KEF6:15 amReykjavik Keflavik Intl
Dec 27
KEF5:00 pmReykjavik Keflavik Intl
13h 59m
1 stop
PDX10:59 pmPortland
$1,394
Find similar

Delta flights from Portland to Reykjavik Keflavik Intl Airport

Our best Delta deals on Portland to Reykjavik Keflavik Intl Airport flight tickets
Delta
Apr 8
PDX7:38 pmPortland
30h 52m
2 stops
KEF9:30 amReykjavik Keflavik Intl
Apr 15
KEF11:25 amReykjavik Keflavik Intl
17h 10m
1 stop
PDX9:35 pmPortland
$697
Find similar
Delta
Apr 22
PDX7:10 amPortland
19h 20m
2 stops
KEF9:30 amReykjavik Keflavik Intl
Apr 28
KEF11:25 amReykjavik Keflavik Intl
30h 11m
2 stops
PDX10:36 amPortland
$750
Find similar
Delta
May 9
PDX11:39 amPortland
12h 21m
1 stop
KEF7:00 amReykjavik Keflavik Intl
May 16
KEF9:30 amReykjavik Keflavik Intl
13h 28m
1 stop
PDX3:58 pmPortland
$775
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Reykjavik Keflavik Intl Airport 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, momondo users made 832,500 searches. Data last updated December 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

Fly to

Route

Depart

Return

Price

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

$464

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 3/16

3:45 pm-6:15 am

Nonstop7h 30m

Reykjavik Keflavik Intl

Mon 4/20

4:50 pm-6:00 pm

Nonstop8h 10m

$465

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Tue 4/21

3:30 pm-6:05 am

Nonstop7h 35m

Reykjavik Keflavik Intl

Sun 4/26

4:50 pm-6:00 pm

Nonstop8h 10m

$488

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 1/24

7:10 am-2:20 pm

2 stops23h 10m

Reykjavik Keflavik Intl

Sat 1/31

3:10 pm-6:30 pm

2 stops35h 20m

$517

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Thu 4/9

3:30 pm-6:05 am

Nonstop7h 35m

Reykjavik Keflavik Intl

Sun 4/12

4:50 pm-6:00 pm

Nonstop8h 10m

$568

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 3/7

2:45 pm-6:15 am

Nonstop7h 30m

Reykjavik Keflavik Intl

Sun 4/19

4:50 pm-6:00 pm

Nonstop8h 10m

$582

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Mon 3/9

3:45 pm-6:15 am

Nonstop7h 30m

Reykjavik Keflavik Intl

Fri 3/13

4:50 pm-6:00 pm

Nonstop8h 10m

$596

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Sat 3/7

2:45 pm-6:15 am

Nonstop7h 30m

Reykjavik Keflavik Intl

Fri 3/13

4:50 pm-6:00 pm

Nonstop8h 10m

$602

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Thu 4/23

3:30 pm-6:05 am

Nonstop7h 35m

Reykjavik Keflavik Intl

Mon 4/27

4:50 pm-6:00 pm

Nonstop8h 10m

$608

PortlandReykjavik

PDX - KEF

PDXKEF

Portland

Fri 1/23

9:10 am-2:15 pm

2 stops21h 05m

Reykjavik Keflavik Intl

Tue 1/27

3:20 pm-9:15 am

2 stops49h 55m

$613

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Reykjavik from

How to get the cheapest flight ticket from Portland to Reykjavik Keflavik Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Reykjavik Keflavik Intl Airport?

The month of November is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from Portland, with most prices found around $386. If you’re not able to fly to Reykjavik Keflavik Intl Airport in November, then October is your next best option. Flight prices from Portland to Reykjavik Keflavik Intl Airport during October average around $416.

What is the cheapest day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest day to depart from Portland to Reykjavik Keflavik Intl Airport is on a Tuesday when prices can be found for as low as $586. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Sunday, with ticket prices averaging around $813.

What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest time of day to fly to Reykjavik Keflavik Intl Airport is at noon when flights can be purchased for as low as $561. Flights in the evening are often more expensive with an average ticket price of $895.

What is the cheapest Portland to Reykjavik Keflavik Intl flight route?

Fly from Portland to Reykjavik Keflavik Intl for the best Portland - Reykjavik Keflavik Intl flight prices

How far in advance should I book a flight to Reykjavik Keflavik Intl Airport?

You are more likely to see cheaper flights to Reykjavik Keflavik Intl Airport from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Reykjavik Keflavik Intl Airport for around $934 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Reykjavik Keflavik Intl Airport from Portland for as low as $431 on momondo.

What cabin class options are available on Portland to Reykjavik Keflavik Intl flights?

There are 3 cabin classes available to choose from on Portland to Reykjavik Keflavik Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland to Reykjavik Keflavik Intl Airport flights?

You could potentially save up to 37% on your flight if you consider stops on a Portland to Reykjavik Keflavik Intl Airport flight.

When to book flights from Portland to Reykjavik Keflavik Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Reykjavik Keflavik Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Reykjavik Keflavik Intl Airport (PDX to KEF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Reykjavik Keflavik Intl Airport

Best Price Found

$396

Fastest flight time

7h 30m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun
The best one-way flight to Reykjavik Keflavik Intl Airport from Portland in the past 72 hours is $396. The best round-trip flight deal from Portland to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $470.
The fastest flight from Portland to Reykjavik Keflavik Intl Airport takes 7h 30m
Direct flights go from Portland to Reykjavik Keflavik Intl Airport on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
Search flight deals

  • How far is Portland to Reykjavik Keflavik Intl by plane?

    Reykjavik Keflavik Intl is 3729.8 mi away from Portland. 7h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Portland Airport to Reykjavik Keflavik Intl Airport?

    Prices for flights from Portland Airport to Reykjavik Keflavik Intl Airport were last updated today.

  • How many operators does momondo search for flights from Portland Airport to Reykjavik Keflavik Intl Airport?

  • How old do you have to be to fly from Portland Airport to Reykjavik Keflavik Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The required travel and health documents for your Reykjavik Keflavik Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Reykjavik Keflavik Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Portland to Reykjavik Keflavik Intl Airport?

  • What is the most popular airline from Portland to Reykjavik Keflavik Intl Airport?

Best airlines flying from Portland to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from Portland to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $363Free CancellationRating
7.0
589 reviews
Search Icelandair flights
DeltaPriceFrom $424Free CancellationRating
7.9
8,007 reviews
Search Delta flights

  • Icelandair Flights From Portland to Reykjavik Keflavik Intl Airport

    Icelandair is one of the most popular airlines flying from Portland to Reykjavik Keflavik Intl Airport, operating 4 flights/week on average for this route. A good Icelandair flight deal for Portland to Reykjavik Keflavik Intl Airport starts from $363 round-trip, up to an average price of $722. Our users have rated Icelandair at 7.0/10.

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Selfoss
Hella
Hveragerdi
Borgarnes
Grindavik
Kopavogur

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Reykjavik?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Reykjavik. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Reykjavik with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Reykjavik flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Reykjavik?

Once you have performed a search for Portland to Reykjavik flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Portland to Reykjavik right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Reykjavik flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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