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Cheap flights from Seattle to Denmark from $286

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 Denmark departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Denmark

Cheap round-trip flights

Icelandair Logo
2:35 pm - 11:45 amSEA-CPH
12h 10m1 stop
Icelandair Logo
5:15 pm - 9:10 pmCPH-SEA
12h 55m1 stop
$440Icelandair
Find Deal
seg, nov 24 - ter, abr 14
Icelandair Logo
2:35 pm - 11:45 amSEA-CPH
12h 10m1 stop
Icelandair Logo
5:15 pm - 9:10 pmCPH-SEA
12h 55m1 stop
$442Icelandair
Find Deal
seg, nov 24 - sex, abr 17
Icelandair Logo
2:35 pm - 11:45 amSEA-CPH
12h 10m1 stop
Icelandair Logo
12:55 pm - 5:00 pmCPH-SEA
13h 05m1 stop
$445Icelandair
Find Deal
ter, nov 4 - ter, nov 18
Icelandair Logo
2:35 pm - 11:45 amSEA-CPH
12h 10m1 stop
Icelandair Logo
5:15 pm - 9:10 pmCPH-SEA
12h 55m1 stop
$447Icelandair
Find Deal
dom, nov 23 - sex, abr 17
Scandinavian Airlines Logo
11:15 am - 10:45 amSEA-CPH
14h 30m1 stop
Scandinavian Airlines Logo
1:10 pm - 2:00 pmCPH-SEA
9h 50mnonstop
$462Scandinavian Airlines
Find Deal
ter, out 21 - sex, out 24
Scandinavian Airlines Logo
10:25 am - 3:20 pmSEA-CPH
19h 55m1 stop
Scandinavian Airlines Logo
1:25 pm - 11:54 pmCPH-SEA
19h 29m1 stop
$464Scandinavian Airlines
Find Deal
qua, out 15 - qua, out 22
Delta Logo
7:19 am - 6:30 amSEA-CPH
14h 11m1 stop
Delta Logo
9:00 am - 8:16 pmCPH-SEA
20h 16m1 stop
$516Delta
Find Deal
dom, out 12 - sex, out 24
British Airways Logo
2:19 pm - 5:20 pmSEA-CPH
18h 01m2 stops
British Airways Logo
12:15 pm - 11:01 pmCPH-SEA
19h 46m2 stops
$519British Airways
Find Deal
qua, dez 3 - qui, dez 11
Delta Logo
9:58 pm - 6:30 amSEA-CPH
23h 32m1 stop
Delta Logo
9:20 am - 11:50 amCPH-SEA
35h 30m1 stop
$521Delta
Find Deal
dom, out 5 - dom, out 19
Lufthansa Logo
2:10 pm - 5:35 pmSEA-CPH
18h 25m2 stops
Lufthansa Logo
8:55 am - 1:20 pmCPH-SEA
13h 25m1 stop
$527Lufthansa
Find Deal
ter, jan 20 - qua, jan 28

Scandinavian Airlines flights from Seattle to Denmark

Our best Scandinavian Airlines deals on Seattle to Denmark flight tickets
Scandinavian Airlines
Oct 21
SEA11:15 amSeattle/Tacoma Intl
14h 30m
1 stop
CPH10:45 amKastrup Copenhagen
Oct 24
CPH1:10 pmKastrup Copenhagen
9h 50m
SEA2:00 pmSeattle/Tacoma Intl
$462
Find similar
Scandinavian Airlines
Oct 15
SEA10:25 amSeattle/Tacoma Intl
19h 55m
1 stop
CPH3:20 pmKastrup Copenhagen
Oct 22
CPH1:25 pmKastrup Copenhagen
19h 29m
1 stop
SEA11:54 pmSeattle/Tacoma Intl
$464
Find similar
Scandinavian Airlines
Nov 6
SEA2:10 pmSeattle/Tacoma Intl
16h 15m
1 stop
CPH3:25 pmKastrup Copenhagen
Nov 15
CPH12:45 pmKastrup Copenhagen
15h 15m
1 stop
SEA7:00 pmSeattle/Tacoma Intl
$477
Find similar

Delta flights from Seattle to Denmark

Our best Delta deals on Seattle to Denmark flight tickets
Delta
Oct 12
SEA7:19 amSeattle/Tacoma Intl
14h 11m
1 stop
CPH6:30 amKastrup Copenhagen
Oct 24
CPH9:00 amKastrup Copenhagen
20h 16m
1 stop
SEA8:16 pmSeattle/Tacoma Intl
$516
Find similar
Delta
Oct 5
SEA9:58 pmSeattle/Tacoma Intl
23h 32m
1 stop
CPH6:30 amKastrup Copenhagen
Oct 19
CPH9:20 amKastrup Copenhagen
35h 30m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$521
Find similar
Delta
Sep 30
SEA6:00 amSeattle/Tacoma Intl
18h 55m
1 stop
CPH9:55 amKastrup Copenhagen
Oct 7
CPH9:25 amKastrup Copenhagen
20h 20m
2 stops
SEA8:45 pmSeattle/Tacoma Intl
$534
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Denmark that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated setembro 17, 2025.
Use the filters below to find and compare flights from Seattle to Denmark that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

seg 11/24

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

ter 4/14

5:15 pm-9:10 pm

1 stop12h 55m

$440

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

seg 11/24

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

sex 4/17

5:15 pm-9:10 pm

1 stop12h 55m

$442

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

ter 11/4

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

ter 11/18

12:55 pm-5:00 pm

1 stop13h 05m

$445

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

dom 11/23

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

sex 4/17

5:15 pm-9:10 pm

1 stop12h 55m

$447

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

ter 10/21

11:15 am-10:45 am

1 stop14h 30m

Kastrup Copenhagen

sex 10/24

1:10 pm-2:00 pm

Nonstop9h 50m

$462

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

qua 10/15

10:25 am-3:20 pm

1 stop19h 55m

Kastrup Copenhagen

qua 10/22

1:25 pm-11:54 pm

1 stop19h 29m

$464

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

dom 10/12

7:19 am-6:30 am

1 stop14h 11m

Kastrup Copenhagen

sex 10/24

9:00 am-8:16 pm

1 stop20h 16m

$516

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

qua 12/3

2:19 pm-5:20 pm

2 stops18h 01m

Kastrup Copenhagen

qui 12/11

12:15 pm-11:01 pm

2 stops19h 46m

$519

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

dom 10/5

9:58 pm-6:30 am

1 stop23h 32m

Kastrup Copenhagen

dom 10/19

9:20 am-11:50 am

1 stop35h 30m

$521

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

ter 1/20

2:10 pm-5:35 pm

2 stops18h 25m

Kastrup Copenhagen

qua 1/28

8:55 am-1:20 pm

1 stop13h 25m

$527

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denmark from

How to get the cheapest flight ticket from Seattle to Denmark

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 Denmark?

In general, February is the cheapest month to fly from Seattle to Denmark. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $575. If you aren’t able to travel to Denmark 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 $586.

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

The cheapest day to depart from Seattle to Denmark is on a Tuesday. Travelers who choose to depart for Denmark on a Tuesday will often find tickets for as low as $665. On the other hand, Saturday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $748.

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

Flying to Denmark 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. In the morning is when there is more demand to fly to Denmark, so prices are often more expensive at around $782 per ticket.

What is the cheapest Seattle/Tacoma Intl to Denmark flight route?

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

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

You are more likely to see cheaper flights to Denmark from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Denmark for around $630 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denmark from Seattle for as low as $567 on momondo.

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

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

Can stopping save me money on Seattle to Denmark flights?

You could potentially save up to 52% on your flight if you consider stops on a Seattle to Denmark flight.

Cheap Seattle to Denmark flight deals and tips

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

Best Price Found

$397

Fastest flight time

9h 30m

Direct flights

Mon, Thu and Sat

Airports in Denmark

1 airport
The best one-way flight to Denmark from Seattle in the past 72 hours is $397. The best round-trip flight deal from Seattle to Denmark found on momondo in the last 72 hours is $524.
The fastest flight from Seattle to Denmark takes 9h 30m
Direct flights go from Seattle to Denmark on Monday, Thursday and Saturday. There are no airlines offering direct flights.
There is 1 airport near Denmark: Kastrup Copenhagen (CPH)
Search flight deals

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

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

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

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

    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 Denmark.

  • What documentation or ID do you need to fly to Denmark?

    The necessary travel and health documents for your Denmark 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 Denmark?

Best airlines flying from Seattle to Denmark

Compare and see reviews for airlines that fly from Seattle to Denmark with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom $418Free CancellationRating
7.4
1,468 reviews
Search Air France flights
DeltaPriceFrom $421Free CancellationRating
7.9
7,961 reviews
Search Delta flights
IcelandairPriceFrom $422Free CancellationRating
7.0
545 reviews
Search Icelandair flights
FinnairPriceFrom $476Free CancellationRating
7.6
1,324 reviews
Search Finnair flights
American AirlinesPriceFrom $486Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $493Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $497Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
Air CanadaPriceFrom $536Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $553Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
LufthansaPriceFrom $553Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Denmark. momondo saves you time and could save you money on your trip.

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

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

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

Once all potential Seattle to Denmark 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 Denmark right now. Can momondo alert me if prices change?

Price alerts on flights to Denmark from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Denmark trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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