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Seattle (SEA) to Reykjavik (KEF) Flights from ₹40,557

Fares on this route currently start from ₹40,557. Compare live SEA to KEF prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
SEA → KEF Approx. 5811.34 km 14 Jul 2026 Live inventory
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Showing 25 of 189 live flights
WestJet
WS-1555
19:35
07/14/2026
SEA
Seattle Tacoma International Airport
36h 5m
1 Stop
⏱ YYC · 20h 40mYYC Airport
07:40
07/16/2026
+2
KEF
Keflavik International Airport
₹40,557
per person
✕ Non-refundable🔥 Last 5 seats5 fare options
WestJet
WS-1553
10:30
07/14/2026
SEA
Seattle Tacoma International Airport
21h 10m
1 Stop
⏱ YYC · 5h 45mYYC Airport
07:40
07/15/2026
+1
KEF
Keflavik International Airport
₹40,557
per person
✕ Non-refundable5 fare options
WestJet
WS-3751
07:00
07/14/2026
SEA
Seattle Tacoma International Airport
24h 40m
1 Stop
⏱ YYC · 9h 5mYYC Airport
07:40
07/15/2026
+1
KEF
Keflavik International Airport
₹40,557
per person
✕ Non-refundable5 fare options
Icelandair
FI-684
23:25
07/14/2026
SEA
Seattle Tacoma International Airport
14h 35m
Non-stop
14:00
07/15/2026
+1
KEF
Keflavik International Airport
₹49,032
per person
✕ Non-refundable10 fare options
alaskaairlines
AS-354
18:35
07/14/2026
SEA
Seattle Tacoma International Airport
14h 25m
Non-stop
09:00
07/15/2026
+1
KEF
Keflavik International Airport
₹50,081
per person
✕ Non-refundable🔥 Last 3 seats11 fare options
Icelandair
FI-682
19:00
07/14/2026
SEA
Seattle Tacoma International Airport
14h 25m
Non-stop
09:25
07/15/2026
+1
KEF
Keflavik International Airport
₹52,370
per person
✕ Non-refundable10 fare options
Icelandair
FI-680
15:40
07/14/2026
SEA
Seattle Tacoma International Airport
14h 35m
Non-stop
06:15
07/15/2026
+1
KEF
Keflavik International Airport
₹52,370
per person
✕ Non-refundable10 fare options
United Airlines
UA-2101
13:55
07/14/2026
SEA
Seattle Tacoma International Airport
18h 55m
1 Stop
⏱ ORD · 1h 14mORD Airport
08:50
07/15/2026
+1
KEF
Keflavik International Airport
₹56,767
per person
✕ Non-refundable14 fare options
United Airlines
UA-2835
10:52
07/14/2026
SEA
Seattle Tacoma International Airport
21h 58m
1 Stop
⏱ ORD · 4h 30mORD Airport
08:50
07/15/2026
+1
KEF
Keflavik International Airport
₹56,767
per person
✕ Non-refundable13 fare options
United Airlines
UA-2618
07:00
07/14/2026
SEA
Seattle Tacoma International Airport
25h 50m
1 Stop
⏱ ORD · 8h 20mORD Airport
08:50
07/15/2026
+1
KEF
Keflavik International Airport
₹56,767
per person
✕ Non-refundable13 fare options
United Airlines
UA-2131
13:00
07/14/2026
SEA
Seattle Tacoma International Airport
19h 30m
1 Stop
⏱ IAD · 1h 29mIAD Airport
08:30
07/15/2026
+1
KEF
Keflavik International Airport
₹56,767
per person
✕ Non-refundable🔥 Last 5 seats16 fare options
United Airlines
UA-2463
08:15
07/14/2026
SEA
Seattle Tacoma International Airport
24h 15m
1 Stop
⏱ IAD · 6h 11mIAD Airport
08:30
07/15/2026
+1
KEF
Keflavik International Airport
₹56,767
per person
✕ Non-refundable15 fare options
United Airlines
UA-1505
08:56
07/14/2026
SEA
Seattle Tacoma International Airport
22h 4m
1 Stop
⏱ EWR · 1h 45mEWR Airport
07:00
07/15/2026
+1
KEF
Keflavik International Airport
₹56,767
per person
✕ Non-refundable13 fare options
United Airlines
UA-1900
07:30
07/14/2026
SEA
Seattle Tacoma International Airport
23h 30m
1 Stop
⏱ EWR · 5h 29mEWR Airport
07:00
07/15/2026
+1
KEF
Keflavik International Airport
₹56,767
per person
✕ Non-refundable13 fare options
United Airlines
UA-1505
08:56
07/14/2026
SEA
Seattle Tacoma International Airport
22h 4m
2 Stops
⏱ DEN · 0h 56mDEN Airport⏱ EWR · 1h 45mEWR Airport
07:00
07/15/2026
+1
KEF
Keflavik International Airport
₹56,779
per person
✕ Non-refundable6 fare options
United Airlines
UA-2135
07:00
07/14/2026
SEA
Seattle Tacoma International Airport
25h 50m
2 Stops
⏱ IAH · 3h 43mIAH Airport⏱ ORD · 1h 30mORD Airport
08:50
07/15/2026
+1
KEF
Keflavik International Airport
₹56,779
per person
✕ Non-refundable🔥 Last 5 seats6 fare options
United Airlines
UA-264
23:20
07/14/2026
SEA
Seattle Tacoma International Airport
33h 10m
1 Stop
⏱ IAD · 15h 13mIAD Airport
08:30
07/16/2026
+2
KEF
Keflavik International Airport
₹57,296
per person
✕ Non-refundable13 fare options
United Airlines
UA-1274
23:00
07/14/2026
SEA
Seattle Tacoma International Airport
32h 0m
1 Stop
⏱ EWR · 14h 2mEWR Airport
07:00
07/16/2026
+2
KEF
Keflavik International Airport
₹57,296
per person
✕ Non-refundable15 fare options
United Airlines
UA-2100
15:23
07/14/2026
SEA
Seattle Tacoma International Airport
39h 37m
1 Stop
⏱ EWR · 21h 31mEWR Airport
07:00
07/16/2026
+2
KEF
Keflavik International Airport
₹57,308
per person
✕ Non-refundable11 fare options
United Airlines
UA-1708
13:05
07/14/2026
SEA
Seattle Tacoma International Airport
41h 55m
1 Stop
⏱ EWR · 23h 51mEWR Airport
07:00
07/16/2026
+2
KEF
Keflavik International Airport
₹57,308
per person
✕ Non-refundable11 fare options
United Airlines
UA-747
23:11
07/14/2026
SEA
Seattle Tacoma International Airport
33h 39m
1 Stop
⏱ ORD · 16h 17mORD Airport
08:50
07/16/2026
+2
KEF
Keflavik International Airport
₹57,308
per person
✕ Non-refundable9 fare options
United Airlines
UA-1503
17:15
07/14/2026
SEA
Seattle Tacoma International Airport
39h 35m
1 Stop
⏱ ORD · 22h 13mORD Airport
08:50
07/16/2026
+2
KEF
Keflavik International Airport
₹57,308
per person
✕ Non-refundable9 fare options
United Airlines
UA-1482
10:29
07/14/2026
SEA
Seattle Tacoma International Airport
46h 21m
2 Stops
⏱ SFO · 3h 34mSFO Airport⏱ ORD · 22h 36mORD Airport
08:50
07/16/2026
+2
KEF
Keflavik International Airport
₹57,308
per person
✕ Non-refundable6 fare options
United Airlines
UA-2135
07:00
07/14/2026
SEA
Seattle Tacoma International Airport
25h 50m
1 Stop
⏱ ORD · 1h 30mORD Airport
08:50
07/15/2026
+1
KEF
Keflavik International Airport
₹57,335
per person
✕ Non-refundable🔥 Last 5 seats9 fare options
United Airlines
UA-8031
08:00
07/14/2026
SEA
Seattle Tacoma International Airport
24h 45m
1 Stop
⏱ YYZ · 7h 31mYYZ Airport
08:45
07/15/2026
+1
KEF
Keflavik International Airport
₹57,523
per person
✕ Non-refundable14 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,Iceland5811.34 km

📅 Results on this page are loaded for 14 Jul 2026. Click Load more flights to expand the full list on this page.

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.

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More flights from Reykjavik (KEF)
28 routes
❓ 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.