Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
KEFSEASat, 03 Oct
Fare checked before payment No hidden charges Transparent cancellation policy 24×7 booking support
Lowest fareUS$646Icelandair
Fastest7h 55mgate to gate
Options found117flights on this route
Find your flightKEF → SEA
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in USD
117 flight options
Fares are checked again before payment.
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Open hotel search to check current stays for this destination.
Icelandair
FI-657
16:45
2026-10-03
Reykjavik (KEF)Keflavik International
31H :00 M
1 Stop
MSP
· 20h 36m Minneapolis (MSP), United States
16:45
2026-10-04
SEATTLE (SEA)Seattle/tacoma International
Non Refundable 9 Seat Left Economy
Check-in: 1 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
1 Pieces 1 Pieces
$1,198
Flight DetailsKEF to SEA - 31H :00 M
Baggage InfoCheck-in 1 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Icelandair
FI-645
16:50
2026-10-03
Reykjavik (KEF)Keflavik International
23H :54 M
1 Stop
IAD
· 11h 42m Washington (IAD), United States
09:44
2026-10-04
SEATTLE (SEA)Seattle/tacoma International
Non Refundable 3 Seat Left Economy
Check-in: 1 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
1 Pieces 1 Pieces
$1,198
Flight DetailsKEF to SEA - 23H :54 M
Baggage InfoCheck-in 1 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Icelandair
FI-645
16:50
2026-10-03
Reykjavik (KEF)Keflavik International
25H :09 M
1 Stop
IAD
· 12h 40m Washington (IAD), United States
10:59
2026-10-04
SEATTLE (SEA)Seattle/tacoma International
Non Refundable 3 Seat Left Economy
Check-in: 1 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
1 Pieces 1 Pieces
$1,198
Flight DetailsKEF to SEA - 25H :09 M
Baggage InfoCheck-in 1 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Icelandair
FI-645
16:50
2026-10-03
Reykjavik (KEF)Keflavik International
26H :30 M
1 Stop
IAD
· 14h 18m Washington (IAD), United States
12:20
2026-10-04
SEATTLE (SEA)Seattle/tacoma International
Non Refundable 3 Seat Left Economy
Check-in: 1 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
1 Pieces 1 Pieces
$1,198
Flight DetailsKEF to SEA - 26H :30 M
Baggage InfoCheck-in 1 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
No flights match the selected filters. Clear filters or open full search.
Today's Airfare Highlights
Selected flight highlights for 03 Oct 2026.
Lowest fare$646Icelandair16:50
Earliest departure$1,625Austrian Airlines00:10
Shortest duration$646Icelandair19:45
Night
00:00-05:59
$1,608Lufthansa at 00:25Morning
06:00-11:59
$1,172Air France at 11:25Afternoon
12:00-17:59
$646Icelandair at 16:50Evening
18:00-23:59
$646Icelandair at 19:45
Departure & Arrival Airport Details
Reykjavik (KEF)
Keflavik International
Iceland
GMT 0
Latitude: 63.985000610352
Longitude: -22.605600357056
Seattle (SEA)
Seattle/tacoma International
United States
GMT -8
Latitude: 47.449001
Longitude: -122.308998
Distance: Reykjavik (KEF), Iceland to Seattle (SEA), United States - 5,811.34 km
Flights shown for 03 Oct 2026. View all flights opens the complete search result.
Fares and hotel rates usually run higher around these dates. Booking earlier — or shifting a day or two — often costs less.
Busiest periods: Summer travel (15 Jun – 31 Aug), Holiday season (18 Dec – 02 Jan).
12OctColumbus DayMonday · in 30 daysPeak
12OctColumbus DayMonday · in 30 daysPeak
12OctIndigenous Peoples' DayMonday · in 30 daysPeak
11NovVeterans DayWednesday · in 60 days
26NovThanksgiving DayThursday · in 75 days
25DecChristmas DayFriday · in 104 days
Fixed-date national holidays. Festivals that follow the lunar calendar shift each year and are not listed here — check the exact date for your travel year.
Compare your journey
How to travel Reykjavik to Seattle
Every option we can actually book for you, compared on price and journey time.
Connecting flight₹71,404Longer — includes a stop115 options
Air distance is about 5,811 km. 15 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from Reykjavik to Seattle
Compare fares, stops, baggage and refundability across the airlines flying this route.
IC
Icelandair Flights
from $64632 flights
Fares from
$646
Non-stop
2 in these results
Departures
32 — compare timings in the list above
UN
United Airlines Flights
from $1,58121 flights
Fares from
$1,581
Non-stop
None in these results
Departures
21 — compare timings in the list above
DE
Delta Air Lines Flights
from $1,51915 flights
Fares from
$1,519
Non-stop
None in these results
Departures
15 — compare timings in the list above
AI
Air France Flights
from $1,17211 flights
Fares from
$1,172
Non-stop
None in these results
Departures
11 — compare timings in the list above
KL
Klm Royal Dutch Flights
from $1,1729 flights
Fares from
$1,172
Non-stop
None in these results
Departures
9 — compare timings in the list above
Route Overview & Flight Facts
Fastest flight duration
7h 55m · Icelandair
First departure of the day
00:10 · Austrian Airlines
Last departure of the day
20:00 · Icelandair
Options in this snapshot
117
Direct / non-stop options
2
Airport codes
Reykjavik–KEF, Seattle–SEA
Fares and timings are indicative — the exact price is confirmed with the airline when you search.
Flight Schedule, Timings & Airfare Insights
Daily Flight Schedule & Travel Duration
Around 117 flights appear in the dated route snapshot, including 2 non-stop options. Departures run through the day — the first flight leaves around 00:10 and the last around 20:00. The fastest flight takes about 7h 55m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Afternoon from $646, Evening from $646, Morning from $1,172, Night from $1,608. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
Search your travel dates to compare current fares — prices update continuously with airline inventory.
One-Way vs Round-Trip Fare Comparison
Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.
Online Web Check-In & Boarding Pass
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How to Book Cheap Flights on FlyX
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2
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Sort or filter the Reykjavik–Seattle results by price, departure time, stops and airline.
3
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4
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5
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Why Book Your Flight with FlyX?
Compare the available Reykjavik to Seattle options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.
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Frequently Asked Questions
Is it worth booking Reykjavik to Seattle flights in advance?
There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. Across the dates currently loaded for Reykjavik to Seattle, Saturday shows the lowest fare at $646. That is an observed snapshot for these dates, not a rule that holds every week.
How far is Reykjavik from Seattle by air?
The direct air distance between Reykjavik (KEF) and Seattle (SEA) is about 5,811 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from KEF to SEA?
Yes. 2 non-stop flights are showing on Reykjavik to Seattle for the dates currently loaded. Use the Stops filter to see only those.
Which airlines fly Reykjavik to Seattle?
Icelandair, United Airlines, Delta Air Lines, Air France and 1 other are showing on this route for the dates currently loaded. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.
How long is the flight from Reykjavik to Seattle?
The quickest non-stop Reykjavik to Seattle flight currently loaded takes about 7h 55m. Across the non-stop options showing, block time ranges from 7h 55m to 8h 5m. Journeys with a stop take longer, since the total includes the layover.
What is the baggage allowance on Reykjavik to Seattle flights?
Allowance is set by the airline and the fare you pick, not by the route. Fares showing right now include 1 Pieces and 23KG (23 KG X 1 pcs). Cabin baggage is counted separately, and the exact allowance for the fare you choose is shown in the fare conditions before payment.
What is the cheapest Reykjavik to Seattle flight fare?
The lowest fare showing on Reykjavik to Seattle for the dates currently loaded is $646. Fares on the same dates run up to $4,311, depending on airline, timing and fare type. Airline pricing moves continuously, so treat this as a dated observation rather than a fixed price.
What time do Reykjavik to Seattle flights depart?
For the dates currently loaded the first departure is around 00:10 and the last is around 20:00, local time at Reykjavik. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.
Why does the price change after clicking Book Now?
Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay - if it has moved, you see the new figure before any payment.
Before you book this route
Check the airport codes KEF–SEA, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.
Where these fares come from
The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price — run a search to see what is available for your own dates.
Last checked .
Check official travel requirements
Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.
Planning more than the flight? Our United States guide covers the visa process for Indian passport holders, best time to go, how long to plan for, and which places are worth the days you have. Long-haul city breaks and national parks.
The KEF to SEA cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 5,811.34 km.
Before you book
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Lowest Reykjavik to Seattle airfare today, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare Today
$646
03/10/2026
Icelandair
16:50
Cheapest Airfare Within 30 Days
$633
12/10/2026
Icelandair
16:50
Cheapest Airfare Within 90 Days
$614
11/12/2026
Icelandair
16:50
Book Reykjavik to Seattle Flight Tickets on FlyX
Planning to fly from Reykjavik to Seattle? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.
Reykjavik to Seattle Flight Distance, Duration and Time
The aerial distance between Reykjavik and Seattle is approximately 5,811 KM. The flight duration ranges from 7H :55 M up to 40H :34 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
Reykjavik to Seattle Flight Schedule and Timing
Around 117 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from Reykjavik at 00:10, while the last night flight leaves at 20:00. Flights depart from Keflavik International and land at Seattle/tacoma International.
Flight Route Details & Analysis
Flight Details
Information
Route
Reykjavik to Seattle
Aerial Distance
5,811 KM
Flight Duration
7H :55 M - 40H :34 M
Airport Codes
Reykjavik - KEF, Seattle - SEA
Total Flights Available
117 flights (2 direct)
First Flight Departure
Departs at 00:10
Last Flight Departure
Departs at 20:00
Early Morning Flights (12 AM - 8 AM)
2 direct/indirect flights
Morning Flights (8 AM - 12 PM)
66 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)
16 direct/indirect flights
Evening Flights (4 PM - 8 PM)
32 direct/indirect flights
Night Flights (8 PM - 12 AM)
1 direct/indirect flights
Airport Information & Terminals
KEF: Reykjavik airport. Airport access in Reykjavik depends on arrival time, terminal, hotel location and local traffic. Confirm the airport name on the ticket, then choose between official taxi, app cab, airport bus, rail or hotel transfer based on luggage and time of day.
SEA: Seattle-Tacoma International Airport. Sea-Tac connects to downtown by light rail, while cabs are useful for Bellevue, Redmond or late-night arrivals. Rain and freeway traffic should be part of the plan.
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Keflavik International
Seattle/tacoma International
