Compare live prices for SEA to KEF. Use the search panel
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SEA → KEFApprox. 5811.34 km07 May 2026Live inventory
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Showing 25
of 104
live flights
Icelandair
FI-682
19:00
05/07/2026
SEA
Seattle Tacoma International Airport
14h 25m
Non-stop
09:25
05/08/2026
+1
KEF
Keflavik International Airport
₹48,050
per person
✕ Non-refundable6 fare options
Icelandair
FI-680
15:40
05/07/2026
SEA
Seattle Tacoma International Airport
14h 35m
Non-stop
06:15
05/08/2026
+1
KEF
Keflavik International Airport
₹48,050
per person
✕ Non-refundable6 fare options
Delta Air Lines
DL-1706
12:30
05/07/2026
SEA
Seattle Tacoma International Airport
18h 30m
1 Stop
⏱ DTW · 1h 10mDTW Airport
07:00
05/08/2026
+1
KEF
Keflavik International Airport
₹48,414
per person
✕ Non-refundable
Delta Air Lines
DL-2324
09:39
05/07/2026
SEA
Seattle Tacoma International Airport
21h 21m
1 Stop
⏱ DTW · 3h 56mDTW Airport
07:00
05/08/2026
+1
KEF
Keflavik International Airport
₹48,414
per person
✕ Non-refundable
Delta Air Lines
DL-812
05:30
05/07/2026
SEA
Seattle Tacoma International Airport
25h 30m
1 Stop
⏱ DTW · 8h 18mDTW Airport
07:00
05/08/2026
+1
KEF
Keflavik International Airport
₹48,414
per person
✕ Non-refundable
Delta Air Lines
DL-941
12:00
05/07/2026
SEA
Seattle Tacoma International Airport
19h 40m
1 Stop
⏱ MSP · 2h 56mMSP Airport
07:40
05/08/2026
+1
KEF
Keflavik International Airport
₹48,414
per person
✕ Non-refundable
Delta Air Lines
DL-536
09:10
05/07/2026
SEA
Seattle Tacoma International Airport
22h 30m
1 Stop
⏱ MSP · 5h 56mMSP Airport
07:40
05/08/2026
+1
KEF
Keflavik International Airport
₹48,414
per person
✕ Non-refundable
Delta Air Lines
DL-415
11:20
05/07/2026
SEA
Seattle Tacoma International Airport
22h 10m
1 Stop
⏱ JFK · 4h 0mJFK Airport
09:30
05/08/2026
+1
KEF
Keflavik International Airport
₹48,414
per person
✕ Non-refundable
Delta Air Lines
DL-429
07:15
05/07/2026
SEA
Seattle Tacoma International Airport
26h 15m
1 Stop
⏱ JFK · 8h 10mJFK Airport
09:30
05/08/2026
+1
KEF
Keflavik International Airport
₹48,414
per person
✕ Non-refundable
Virgin Atlantic
VS-1584
12:00
05/07/2026
SEA
Seattle Tacoma International Airport
19h 40m
1 Stop
⏱ MSP · 2h 56mMSP Airport
07:40
05/08/2026
+1
KEF
Keflavik International Airport
₹48,414
per person
✕ Non-refundable
airfrance
AF-5623
12:30
05/07/2026
SEA
Seattle Tacoma International Airport
18h 30m
1 Stop
⏱ DTW · 1h 10mDTW Airport
07:00
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable4 fare options
airfrance
AF-2252
12:00
05/07/2026
SEA
Seattle Tacoma International Airport
19h 40m
1 Stop
⏱ MSP · 2h 56mMSP Airport
07:40
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable4 fare options
klm
KL-5487
09:10
05/07/2026
SEA
Seattle Tacoma International Airport
22h 30m
1 Stop
⏱ MSP · 5h 56mMSP Airport
07:40
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable7 fare options
Delta Air Lines
DL-1706
12:30
05/07/2026
SEA
Seattle Tacoma International Airport
18h 30m
1 Stop
⏱ DTW · 1h 10mDTW Airport
07:00
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-2324
09:39
05/07/2026
SEA
Seattle Tacoma International Airport
21h 21m
1 Stop
⏱ DTW · 3h 56mDTW Airport
07:00
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-812
05:30
05/07/2026
SEA
Seattle Tacoma International Airport
25h 30m
1 Stop
⏱ DTW · 8h 18mDTW Airport
07:00
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-943
06:00
05/07/2026
SEA
Seattle Tacoma International Airport
25h 40m
1 Stop
⏱ MSP · 9h 10mMSP Airport
07:40
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable2 fare options
KLM Royal Dutch Airlines
KL-7397
09:39
05/07/2026
SEA
Seattle Tacoma International Airport
21h 21m
1 Stop
⏱ DTW · 3h 56mDTW Airport
07:00
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable6 fare options
KLM Royal Dutch Airlines
KL-7645
11:20
05/07/2026
SEA
Seattle Tacoma International Airport
22h 10m
1 Stop
⏱ JFK · 4h 0mJFK Airport
09:30
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable6 fare options
Delta Air Lines
DL-943
06:00
05/07/2026
SEA
Seattle Tacoma International Airport
25h 40m
1 Stop
⏱ MSP · 9h 10mMSP Airport
07:40
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable11 fare options
KLM Royal Dutch Airlines
KL-6765
07:15
05/07/2026
SEA
Seattle Tacoma International Airport
26h 15m
1 Stop
⏱ JFK · 8h 10mJFK Airport
09:30
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable6 fare options
Air France
AF-2476
11:20
05/07/2026
SEA
Seattle Tacoma International Airport
22h 10m
1 Stop
⏱ JFK · 4h 0mJFK Airport
09:30
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable3 fare options
Air France
AF-2400
09:10
05/07/2026
SEA
Seattle Tacoma International Airport
22h 30m
1 Stop
⏱ MSP · 5h 56mMSP Airport
07:40
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable3 fare options
Air France
AF-2916
05:30
05/07/2026
SEA
Seattle Tacoma International Airport
25h 30m
1 Stop
⏱ DTW · 8h 18mDTW Airport
07:00
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable3 fare options
Delta Air Lines
DL-943
06:00
05/07/2026
SEA
Seattle Tacoma International Airport
25h 40m
1 Stop
⏱ MSP · 9h 10mMSP Airport
07:40
05/08/2026
+1
KEF
Keflavik International Airport
₹48,426
per person
✕ Non-refundable7 fare options
😕 No flights match your filters.
Seattle (SEA)
📍 Seattle Tacoma International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 47.449001
📐 Longitude: -122.308998
Reykjavik (KEF)
📍 Keflavik International Airport
🌍 Iceland
📐 Latitude: 63.985000610352
📐 Longitude: -22.605600357056
✈ Distance: Seattle,USA to Reykjavik,Iceland — 5811.34 km
📅 Results on this page are loaded for 07 May 2026. Click View all flights for the complete live search.
Seattle to Reykjavik — what to expect when booking
The SEA–KEF route is served by multiple carriers throughout the year.
Fares on this route can move quickly — a price available now may not be there 30 minutes later.
If your dates are flexible, try shifting your departure by a day or two using the date strip above.
Mid-week departures often show lower base fares compared to weekend starts on many routes.
The distance between Seattle,USA and Reykjavik,Iceland is approximately
5811.34 km.
Before you book
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❓ Frequently asked questions — Seattle to Reykjavik flights
Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.
The straight-line distance between Seattle,USA (SEA) and Reykjavik,Iceland (KEF) is approximately 5811.34 km. Actual flying distance may vary slightly depending on routing.
Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.
Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.