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Delta flights from Seattle to Iceland
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Use the filters below to find and compare flights from Seattle to Iceland that are best for you.
Fly from
Fly to
Route
Depart
Return
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Wed 10/28
2:30 pm-10:00 am
1 stop12h 30m
Reykjavik Keflavik Intl
Thu 11/5
12:00 pm-7:03 pm
1 stop15h 03m
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Sun 10/25
8:30 am-10:00 am
2 stops18h 30m
Reykjavik Keflavik Intl
Mon 11/2
12:00 pm-7:03 pm
1 stop15h 03m
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Sun 10/25
7:00 am-10:00 am
1 stop20h 00m
Reykjavik Keflavik Intl
Mon 11/2
12:00 pm-7:03 pm
1 stop15h 03m
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Fri 11/27
7:00 am-10:00 am
1 stop19h 00m
Reykjavik Keflavik Intl
Sat 12/5
12:00 pm-9:58 pm
2 stops17h 58m
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Tue 10/20
7:00 pm-9:25 am
Nonstop7h 25m
Reykjavik Keflavik Intl
Sat 10/24
7:40 pm-8:35 pm
Nonstop7h 55m
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Tue 12/1
2:35 pm-6:15 am
Nonstop7h 40m
Reykjavik Keflavik Intl
Mon 12/7
5:00 pm-5:00 pm
Nonstop8h 00m
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Wed 1/13
2:35 pm-6:15 am
Nonstop7h 40m
Reykjavik Keflavik Intl
Tue 1/19
5:00 pm-5:00 pm
Nonstop8h 00m
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Wed 10/21
3:40 pm-6:15 am
Nonstop7h 35m
Reykjavik Keflavik Intl
Sun 10/25
7:45 pm-8:40 pm
Nonstop7h 55m
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Thu 10/22
7:00 pm-9:25 am
Nonstop7h 25m
Reykjavik Keflavik Intl
Sun 10/25
7:45 pm-8:40 pm
Nonstop7h 55m
SeattleReykjavik
SEA Seattle/Tacoma Intl - KEF Reykjavik Keflavik Intl
SEAKEF
Seattle/Tacoma Intl
Thu 2/11
11:10 pm-6:15 am
1 stop23h 05m
Reykjavik Keflavik Intl
Tue 2/16
4:50 pm-11:00 pm
1 stop14h 10m
See travel insights to Iceland from
How to get the cheapest flight ticket from Seattle to Iceland
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Iceland?
The cheapest month to fly to Iceland from Seattle is in January. Flight prices, which tend to average around $542, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Iceland from Seattle during May instead. Flights to Iceland in May, while not as cheap as those in January, still average around $561.
What is the cheapest day to depart on your flight to Iceland?
The cheapest day to depart from Seattle to Iceland is on a Wednesday when prices can be found for as low as $637. Flights from Seattle to Iceland on a Thursday will generally be more expensive and average around $697. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Iceland?
According to our data, the cheapest time of day to fly to Iceland is at noon. momondo users have found flights departing from Seattle to Iceland at noon for as low as $596. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $697. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Seattle/Tacoma Intl to Iceland flight route?
Fly from Seattle/Tacoma Intl to Reykjavik Keflavik Intl for the best Seattle/Tacoma Intl - Iceland flight prices
How far in advance should I book a flight from Seattle to Iceland?
You are more likely to see cheaper flights to Iceland from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Iceland for around $695 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Iceland from Seattle for as low as $522 on momondo.
What cabin class options are available on Seattle to Iceland flights?
There are 4 cabin classes available to choose from on Seattle to Iceland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Seattle to Iceland on average per day?
3 flights are operational daily from Seattle to Iceland as of October 2026. The most popular departure time for this route is 7:00PM, with 59% of flights per day taking off in the evening.
How many flights depart from Seattle to Iceland on average per week?
22 flights are operational weekly from Seattle to Iceland as of October 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.
Cheap Seattle to Iceland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Iceland
Frequently asked questions about flying from Seattle to Iceland
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Iceland?
Prices for flights from Seattle/Tacoma Intl Airport to Iceland were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Iceland?
As of October 2026, there are 2 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Iceland.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Iceland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Iceland.
What documentation or ID do you need to fly to Iceland?
The travel and health documents you'll need for your trip to Iceland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iceland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Iceland?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Iceland is Airbus A330-900neo, representing 19.03% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 15.21%, Boeing 737 MAX 8 at 9.95%, and Airbus A330-200 at 9.95%.
Best airlines flying from Seattle to Iceland
Compare and see reviews for airlines that fly from Seattle to Iceland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $424 | Free Cancellation | Rating 6.9 758 reviews | |||
| PriceFrom $496 | Free Cancellation | Rating 7.9 13,039 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Iceland?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Iceland for you.
Can I find flights from Seattle to Iceland with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Seattle to Iceland flights to just show those with flexible booking policies.
How can momondo help me find flights from Seattle to Iceland?
Once all potential Seattle to Iceland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seattle to Iceland right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Seattle to Iceland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Iceland and let you know when they change.