Cheap flights from Seattle to Reykjavik Keflavik Intl Airport from C$ 830

This is the cheapest one-way flight price, found on 28/3. Prices may vary by date and flight preferences.
SEA — KEF
4 Apr — 11 Apr1
Return
1 adult
Economy
From?
To?
Tue 4/4
Tue 11/4

How to find the cheapest flight from Seattle (SEA) to Keflavik Intl (KEF)

All the information you need to plan the best SEA to KEF flight in 2023: compare Seattle to Keflavik Intl flight prices with the expected peak season, weather and rainfall in Keflavik Intl.

SEA - KEF

Price

C$ 688 - C$ 845

KEF

Temperature

0 - 11 °C

KEF

Rainfall

40 - 80 mm

Popular inDecemberHigh demand for flights, 11% potential price rise
Cheapest inOctoberBest time to find cheap flights, 8% potential price drop
Average priceC$ 1,012Average for round-trip flights in March 2023
Round-trip fromC$ 935From Seattle/Tacoma Intl to Reykjavik Keflavik Intl

Cheap flights from Seattle to Keflavik Intl in March, April 2023

The best prices found for SEA to KEF flights for March, April

Seattle to Keflavik Intl 2023 flight deals

Cheap flights to Keflavik Intl from Seattle found for this year

Cheap United Airlines flights from Seattle to Keflavik Intl

Cheap Lufthansa flights from Seattle to Keflavik Intl

Direct flights to Keflavik Intl from Seattle

Save time with Seattle to Keflavik Intl direct flight deals

Last minute flights from Seattle to Keflavik Intl

Late deals on round-trip flights to Keflavik Intl from Seattle, departing today and this week

One-way flights to Keflavik Intl from Seattle

The cheapest one-way flights from Seattle to Keflavik Intl

Find flights from Seattle to Keflavik Intl within your budget

Use the slider to find flights from Seattle to Keflavik Intl that fit your budget.

Fly from

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Fly to

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Budget

C$ 1,004 - C$ 1,189

Route

Depart

Return

Price

Seattle/Tacoma IntlReykjavik Keflavik Intl

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

2023-05-01

1 stop18h 55m

Reykjavik Keflavik Intl

2023-05-15

1 stop17h 40m

C$ 1,004

Seattle/Tacoma IntlReykjavik Keflavik Intl

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

2023-05-07

1 stop18h 55m

Reykjavik Keflavik Intl

2023-05-16

2 stops32h 33m

C$ 1,011

Seattle/Tacoma IntlReykjavik Keflavik Intl

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

2023-05-06

1 stop26h 52m

Reykjavik Keflavik Intl

2023-05-17

2 stops19h 43m

C$ 1,020

Seattle/Tacoma IntlReykjavik Keflavik Intl

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

2023-09-16

Nonstop7h 25m

Reykjavik Keflavik Intl

2023-09-29

Nonstop7h 50m

C$ 1,036

Seattle/Tacoma IntlReykjavik Keflavik Intl

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

2023-05-29

Nonstop7h 25m

Reykjavik Keflavik Intl

2023-06-05

Nonstop7h 50m

C$ 1,053

Seattle/Tacoma IntlReykjavik Keflavik Intl

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

2023-09-15

1 stop30h 45m

Reykjavik Keflavik Intl

2023-09-28

1 stop30h 20m

C$ 1,057

Seattle/Tacoma IntlReykjavik Keflavik Intl

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

2023-05-30

1 stop18h 20m

Reykjavik Keflavik Intl

2023-06-06

1 stop18h 32m

C$ 1,133

Seattle/Tacoma IntlReykjavik Keflavik Intl

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

2023-05-30

2 stops19h 00m

Reykjavik Keflavik Intl

2023-06-06

2 stops18h 24m

C$ 1,147

Seattle/Tacoma IntlReykjavik Keflavik Intl

SEA - KEF

SEAKEF

Seattle/Tacoma Intl

2023-05-05

2 stops30h 40m

Reykjavik Keflavik Intl

2023-05-09

1 stop29h 25m

C$ 1,189

Flights are sorted by cheapest first

Deals found on 29/3

Related info for your journey

Useful info, stats and facts about Seattle to Keflavik Intl flights.

Top airline flying from Seattle to Keflavik Intl

The chart below displays the airlines Cheapflights users travelling from Seattle to Keflavik Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
IcelandairCheapestC$ 884AverageC$ 1,086FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Icelandair flights

Hourly flight availability from Seattle to Keflavik Intl

See what time of day planes typically take off from Seattle to Keflavik Intl
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Seattle to Keflavik Intl

See how many times per day planes take to the skies headed from Seattle to Keflavik Intl
Sunday1daily flight
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday1daily flight
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