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$257+ Cheap flights from Keflavik Intl (KEF) to Washington

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — SEA
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Washington

Keep the following information in mind while searching for Keflavik Intl to Washington flight deals. Data was last updated March 31, 2025.

Round-trip from

$488
(Scandinavian Airlines)

One-way from

$257
(Kiwi.com)

Good round-trip deal

$815 or less

Good one-way deal

$483 or less
From Reykjavik Keflavik Intl to Washington
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One-way flight from Reykjavik Keflavik Intl to Washington
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Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Washington.
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Price to beat on a one-way flight from Reykjavik Keflavik Intl to Washington.
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Find flight deals from Keflavik Intl to Washington

Cheapest flights from Keflavik Intl to Washington
Explore the most affordable flight options available from Keflavik Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 3/31. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:10 pmKEF - SEA
1 stop27h 50mScandinavian Airlines
Mon 9/2912:00 pmSEA - KEF
2 stops28h 50mScandinavian Airlines
Deal found 3/31$488
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/99:35 amKEF - SEA
1 stop10h 23mWestJet
Mon 6/307:35 pmSEA - KEF
1 stop29h 40mWestJet
Deal found 3/30$509
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/99:35 amKEF - SEA
1 stop17h 53mMultiple Airlines
Mon 6/307:15 pmSEA - KEF
2 stops30h 00mMultiple Airlines
Deal found 3/30$548
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/143:45 pmKEF - PDX
1 stop24h 27mMultiple Airlines
Wed 5/219:42 pmPDX - KEF
1 stop24h 03mMultiple Airlines
Deal found 3/30$550
This oojo deal was found by Cheapflights users on 3/29. 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 10/154:50 pmKEF - PDX
Nonstop8h 05mIcelandair
Wed 10/223:20 pmPDX - KEF
Nonstop7h 35mIcelandair
Deal found 3/29$608
This Gotogate deal was found by Cheapflights users on 3/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/94:50 pmKEF - SEA
Nonstop8h 00mIcelandair
Mon 6/307:00 pmSEA - KEF
Nonstop7h 25mIcelandair
Deal found 3/30$620
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Fri 5/2312:00 pmKEF - SEA
1 stop17h 42mUnited Airlines
Thu 5/295:15 amSEA - KEF
2 stops20h 15mUnited Airlines
Deal found 3/30$814
This Delta deal was found by Cheapflights users on 3/31. 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.
Wed 4/1611:25 amKEF - PDX
2 stops40h 14mDelta
Sun 4/207:00 amPDX - KEF
1 stop19h 30mDelta
Deal found 3/31$834
This Lufthansa deal was found by Cheapflights users on 3/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1812:25 amKEF - SEA
1 stop19h 00mLufthansa
Tue 5/272:15 pmSEA - KEF
2 stops35h 05mLufthansa
Deal found 3/30$846
This Delta deal was found by Cheapflights users on 3/31. 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.
Fri 5/238:50 amKEF - SEA
1 stop18h 05mDelta
Thu 5/2911:40 amSEA - KEF
1 stop11h 40mDelta
Deal found 3/31$850
This Air France deal was found by Cheapflights users on 3/31. 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.
Wed 4/1611:25 amKEF - PDX
1 stop18h 13mAir France
Sun 4/207:00 amPDX - KEF
1 stop19h 30mAir France
Deal found 3/31$855
This Scandinavian Airlines deal was found by Cheapflights users on 3/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/307:40 amKEF - PDX
2 stops21h 42mScandinavian Airlines
Tue 5/67:00 amPDX - KEF
2 stops20h 15mScandinavian Airlines
Deal found 3/30$864

Cheapflights Fare Finder

Customize your flight search to find flights from Keflavik Intl to Washington 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 March 31, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Washington that are best for you.

Fly from

Keflavik Intl

Fly to

Washington

Route

Depart

Return

Price

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Thu 9/18

5:10 pm-2:00 pm

1 stop27h 50m

Seattle/Tacoma Intl

Mon 9/29

12:00 pm-11:50 pm

2 stops28h 50m

$488

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 6/9

9:35 am-12:58 pm

1 stop10h 23m

Seattle/Tacoma Intl

Mon 6/30

7:35 pm-8:15 am

1 stop29h 40m

$509

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 6/9

9:35 am-8:28 pm

1 stop17h 53m

Seattle/Tacoma Intl

Mon 6/30

7:15 pm-8:15 am

2 stops30h 00m

$548

ReykjavikPortland

KEF - PDX

KEFPDX

Reykjavik Keflavik Intl

Wed 5/14

3:45 pm-9:12 am

1 stop24h 27m

Portland

Wed 5/21

9:42 pm-4:45 am

1 stop24h 03m

$550

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 6/9

4:50 pm-5:50 pm

Nonstop8h 00m

Seattle/Tacoma Intl

Mon 6/30

7:00 pm-9:25 am

Nonstop7h 25m

$620

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 5/23

12:00 pm-10:42 pm

1 stop17h 42m

Seattle/Tacoma Intl

Thu 5/29

5:15 am-8:30 am

2 stops20h 15m

$814

ReykjavikPortland

KEF - PDX

KEFPDX

Reykjavik Keflavik Intl

Wed 4/16

11:25 am-8:39 pm

2 stops40h 14m

Portland

Sun 4/20

7:00 am-9:30 am

1 stop19h 30m

$834

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sun 5/18

12:25 am-12:25 pm

1 stop19h 00m

Seattle/Tacoma Intl

Tue 5/27

2:15 pm-8:20 am

2 stops35h 05m

$846

ReykjavikSeattle

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Fri 5/23

8:50 am-7:55 pm

1 stop18h 05m

Seattle/Tacoma Intl

Thu 5/29

11:40 am-6:20 am

1 stop11h 40m

$850

ReykjavikPortland

KEF - PDX

KEFPDX

Reykjavik Keflavik Intl

Wed 4/16

11:25 am-10:38 pm

1 stop18h 13m

Portland

Sun 4/20

7:00 am-9:30 am

1 stop19h 30m

$855

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 34 results
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Best time to book a flight from Keflavik Intl to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Keflavik Intl 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 Reykjavik Keflavik Intl Airport to Washington

What is the cheapest time of day to fly from KEF to WA?

Find hourly flight availability from Keflavik Intl to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Reykjavik Keflavik Intl Airport to State of Washington as you normally would.

Weekly flight availability from Reykjavik Keflavik Intl Airport to State of Washington

Explore weekly flight availability from Keflavik Intl to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 31, 2025.

The most flights from KEF to USWA are scheduled on a Sunday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated March 31, 2025.
Read reviews from past customers who have flown Emirates, Delta and KLM from Reykjavik to Washington. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.0
Very good
3,192 reviews

Boarding

8.1

Overall

8.0

Crew

8.3

Entertainment

8.2

Comfort

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,192 reviews
Emirates
8.0
Very good
3,192 reviews

Boarding

8.1

Overall

8.0

Crew

8.3

Entertainment

8.2

Comfort

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,899 reviews
Emirates
8.0
Very good
3,192 reviews

Boarding

8.1

Overall

8.0

Crew

8.3

Entertainment

8.2

Comfort

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,321 reviews
Emirates
8.0
Very good
3,192 reviews

Boarding

8.1

Overall

8.0

Crew

8.3

Entertainment

8.2

Comfort

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Finnair
7.6
Good
1,267 reviews
Emirates
8.0
Very good
3,192 reviews

Boarding

8.1

Overall

8.0

Crew

8.3

Entertainment

8.2

Comfort

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Austrian Airlines
7.6
Good
770 reviews
Emirates
8.0
Very good
3,192 reviews

Boarding

8.1

Overall

8.0

Crew

8.3

Entertainment

8.2

Comfort

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

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

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

    The cheapest airlines for a one-way flight from Reykjavik Keflavik Intl Airport to State of Washington are WestJet ($257), Icelandair ($432), and Finnair ($695).

  • What are the most reliable airlines from Reykjavik Keflavik Intl Airport to State of Washington?

    Consider airBaltic (89%), Alaska Airlines (78%) or Icelandair (78%) when booking your flight. These represent the most reliable airlines when flying from Reykjavik Keflavik Intl Airport to State of Washington.

  • What are the cheapest flights from Reykjavik Keflavik Intl Airport to State of Washington?

    Looking for the cheapest flight from Reykjavik Keflavik Intl Airport to State of Washington? While on average our users pay $1,074, our data indicates the cheapest price to be $427. The most popular route (Reykjavik Keflavik Intl - Seattle/Tacoma Intl), is priced around $488.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Keflavik Intl to Washington 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 Reykjavik Keflavik Intl Airport to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to State of Washington (average of $238). Flying from Reykjavik Keflavik Intl Airport to State of Washington in July is currently the most expensive (average of $411). 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 Keflavik Intl to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Keflavik Intl to Washington

Discover the top airline that operate flights from Keflavik Intl to Washington. 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$575Average$759FlexibilityNo cancel feeOn-time76%
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