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Cheap flights from Seattle to Copenhagen from $280

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Copenhagen departing on 5/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Copenhagen

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Copenhagen.
4:00 pm - 10:30 amSEA-CPH
9h 30mnonstop
1:05 pm - 1:50 pmCPH-SEA
9h 45mnonstop
$488Scandinavian Airlines
Find Deal
Mon, May 26 - Wed, Jun 4
4:00 pm - 10:30 amSEA-CPH
9h 30mnonstop
1:05 pm - 1:50 pmCPH-SEA
9h 45mnonstop
$489Scandinavian Airlines
Find Deal
Mon, Jun 9 - Mon, Jun 30
7:00 pm - 3:45 pmSEA-CPH
11h 45m1 stop
10:35 pm - 8:40 pmCPH-SEA
31h 05m1 stop
$526Icelandair
Find Deal
Sun, Apr 13 - Sat, Apr 26
7:00 pm - 12:55 pmSEA-CPH
32h 55m1 stop
2:00 pm - 11:25 amCPH-SEA
30h 25m1 stop
$530Icelandair
Find Deal
Sun, May 11 - Mon, May 26
1:30 pm - 4:15 pmSEA-CPH
17h 45m2 stops
1:15 pm - 4:00 pmCPH-SEA
11h 45m1 stop
$594American Airlines
Find Deal
Mon, May 5 - Mon, Jun 2
1:30 pm - 4:15 pmSEA-CPH
17h 45m2 stops
12:25 pm - 11:01 pmCPH-SEA
19h 36m2 stops
$604American Airlines
Find Deal
Mon, May 5 - Mon, Jun 2
8:20 pm - 10:50 pmSEA-CPH
17h 30m1 stop
7:45 pm - 11:30 amCPH-SEA
24h 45m1 stop
$606British Airways
Find Deal
Sun, Sep 7 - Sat, Sep 20
3:10 pm - 8:35 pmSEA-CPH
20h 25m2 stops
9:45 pm - 11:10 amCPH-SEA
22h 25m1 stop
$610British Airways
Find Deal
Sat, Aug 16 - Mon, Sep 1
6:40 pm - 6:45 pmSEA-CPH
15h 05m1 stop
6:15 am - 11:15 amCPH-SEA
14h 00m1 stop
$611Delta
Find Deal
Mon, Apr 7 - Wed, Apr 16
6:40 pm - 5:05 pmSEA-CPH
13h 25m1 stop
6:15 am - 4:45 pmCPH-SEA
19h 30m2 stops
$621Delta
Find Deal
Mon, Apr 7 - Wed, Apr 16

Scandinavian Airlines flights from Seattle to Copenhagen

Our best Scandinavian Airlines deals on Seattle to Copenhagen flight tickets
Scandinavian Airlines
May 26
SEA4:00 pmSeattle/Tacoma Intl
9h 30m
CPH10:30 amKastrup Copenhagen
Jun 4
CPH1:05 pmKastrup Copenhagen
9h 45m
SEA1:50 pmSeattle/Tacoma Intl
Scandinavian Airlines
Jun 9
SEA4:00 pmSeattle/Tacoma Intl
9h 30m
CPH10:30 amKastrup Copenhagen
Jun 30
CPH1:05 pmKastrup Copenhagen
9h 45m
SEA1:50 pmSeattle/Tacoma Intl
Scandinavian Airlines
Jun 13
SEA4:00 pmSeattle/Tacoma Intl
9h 30m
CPH10:30 amKastrup Copenhagen
Jun 20
CPH1:05 pmKastrup Copenhagen
9h 45m
SEA1:50 pmSeattle/Tacoma Intl

Icelandair flights from Seattle to Copenhagen

Our best Icelandair deals on Seattle to Copenhagen flight tickets
Icelandair
Apr 13
SEA7:00 pmSeattle/Tacoma Intl
11h 45m
1 stop
CPH3:45 pmKastrup Copenhagen
Apr 26
CPH10:35 pmKastrup Copenhagen
31h 05m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
Icelandair
May 11
SEA7:00 pmSeattle/Tacoma Intl
32h 55m
1 stop
CPH12:55 pmKastrup Copenhagen
May 26
CPH2:00 pmKastrup Copenhagen
30h 25m
1 stop
SEA11:25 amSeattle/Tacoma Intl
Icelandair
May 9
SEA7:00 pmSeattle/Tacoma Intl
32h 55m
1 stop
CPH12:55 pmKastrup Copenhagen
May 16
CPH10:35 pmKastrup Copenhagen
31h 05m
1 stop
SEA8:40 pmSeattle/Tacoma Intl

See travel insights to Copenhagen from

How to get the cheapest flight ticket from Seattle to Copenhagen

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 Copenhagen?

The cheapest month to fly to Copenhagen from Seattle is in February. Flight prices, which tend to average around $570, are often lower during this time because this is during the off-season. If you aren’t able to travel to Copenhagen during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $573.

What is the cheapest day to depart on your flight to Copenhagen?

The cheapest day to depart from Seattle to Copenhagen is on a Tuesday when prices can be found for as low as $764. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Copenhagen for around $1,002.

What is the cheapest time of day to depart on your flight to Copenhagen?

Flying to Copenhagen from Seattle in the evening is the least expensive time of day to depart. momondo users have found prices as low as $632 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $874. 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 Kastrup Copenhagen flight route?

Fly from Seattle/Tacoma Intl to Kastrup Copenhagen for the best Seattle/Tacoma Intl - Kastrup Copenhagen flight prices

How far in advance should I book a flight to Copenhagen?

You are more likely to see cheaper flights to Copenhagen from Seattle when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to Copenhagen for around $659 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Copenhagen from Seattle for as low as $622 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Kastrup Copenhagen flights?

There are 3 cabin classes available to choose from on Seattle/Tacoma Intl to Kastrup Copenhagen flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Copenhagen flight prices changed over time?

As of March 2025, prices for Seattle to Copenhagen flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Copenhagen

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Copenhagen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Copenhagen (SEA to CPH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Copenhagen

Best Price Found

$280

Fastest flight time

9h 30m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Copenhagen

1 airport
The best one-way flight to Copenhagen from Seattle in the past 72 hours is $280. The best round-trip flight deal from Seattle to Copenhagen found on momondo in the last 72 hours is $488.
The fastest flight from Seattle to Copenhagen takes 9h 30m
Direct flights go from Seattle to Copenhagen on Monday, Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Scandinavian Airlines.
There is 1 airport near Copenhagen: Kastrup Copenhagen (CPH)

  • How far is Seattle/Tacoma Intl to Kastrup Copenhagen by plane?

    Kastrup Copenhagen is 4835.0 mi away from Seattle/Tacoma Intl. A reasonable flight in good conditions will take 9h 30m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Kastrup Copenhagen Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Kastrup Copenhagen Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Kastrup Copenhagen Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Kastrup Copenhagen Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Kastrup Copenhagen Airport.

  • What documentation or ID do you need to fly to Kastrup Copenhagen Airport?

    The necessary travel and health documents for your Kastrup Copenhagen Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Copenhagen?

  • What is the most popular airline from Seattle to Copenhagen?


Best airlines flying from Seattle to Copenhagen

Compare and see reviews for airlines that fly from Seattle to Copenhagen with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $417Free CancellationRating
7.0
474 reviews
Search Icelandair flights
American AirlinesPriceFrom $492Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $494Free CancellationRating
6.6
6,712 reviews
Search British Airways flights
FinnairPriceFrom $504Free CancellationRating
7.6
1,267 reviews
Search Finnair flights
United AirlinesPriceFrom $520Free CancellationRating
7.4
8,608 reviews
Search United Airlines flights
Air FrancePriceFrom $521Free CancellationRating
7.4
1,423 reviews
Search Air France flights
Air CanadaPriceFrom $532Free CancellationRating
7.0
8,972 reviews
Search Air Canada flights
DeltaPriceFrom $560Free CancellationRating
8.0
7,891 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $570Free CancellationRating
7.3
1,325 reviews
Search Scandinavian Airlines flights
KLMPriceFrom $572Free CancellationRating
7.8
1,319 reviews
Search KLM flights

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup
Roskilde

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Copenhagen?

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 Copenhagen for you.

Can I find flights from Seattle to Copenhagen with flexible booking policies on momondo?

All flight searches from Seattle to Copenhagen on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Copenhagen?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Copenhagen from Seattle.

I’m not ready to book a flight from Seattle to Copenhagen right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Copenhagen from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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