Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Denmark from $326

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 1/26. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Denmark

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
5:45 pm - 10:45 amSEA-CPH
32h 00m1 stop
Scandinavian Airlines Logo
1:05 pm - 1:45 pmCPH-SEA
9h 40mnonstop
$467Scandinavian Airlines
Find Deal
sáb, mai 23 - sáb, mai 30
British Airways Logo
7:50 pm - 7:00 pmSEA-CPH
15h 10m1 stop
British Airways Logo
6:55 am - 12:30 pmCPH-SEA
13h 35m1 stop
$470British Airways
Find Deal
qua, mar 11 - sex, mar 20
Scandinavian Airlines Logo
7:20 am - 9:05 amSEA-AAR
16h 45m2 stops
Scandinavian Airlines Logo
5:50 pm - 10:16 pmAAR-SEA
37h 26m2 stops
$472Scandinavian Airlines
Find Deal
qua, abr 15 - seg, mai 4
Icelandair Logo
7:00 pm - 4:15 pmSEA-CPH
12h 15m1 stop
Icelandair Logo
2:00 pm - 5:50 pmCPH-SEA
12h 50m1 stop
$483Icelandair
Find Deal
dom, abr 5 - seg, abr 13
Icelandair Logo
2:35 pm - 12:00 pmSEA-CPH
12h 25m1 stop
Icelandair Logo
12:55 pm - 5:00 pmCPH-SEA
13h 05m1 stop
$486Icelandair
Find Deal
sex, jan 9 - sex, jan 16
Lufthansa Logo
2:00 pm - 1:20 pmSEA-BLL
14h 20m1 stop
Lufthansa Logo
7:00 pm - 12:10 pmBLL-SEA
26h 10m1 stop
$554Lufthansa
Find Deal
seg, fev 23 - sex, fev 27
Lufthansa Logo
2:00 pm - 1:20 pmSEA-BLL
14h 20m1 stop
Lufthansa Logo
6:30 am - 1:20 pmBLL-SEA
15h 50m2 stops
$568Lufthansa
Find Deal
seg, fev 23 - sex, fev 27
Delta Logo
2:05 pm - 5:55 pmSEA-BLL
18h 50m1 stop
Delta Logo
6:00 am - 4:13 pmBLL-SEA
19h 13m2 stops
$596Delta
Find Deal
qua, mai 20 - dom, mai 24
Multiple Airlines Logo
6:50 pm - 11:50 pmSEA-AAR
20h 00m2 stops
Multiple Airlines Logo
5:50 pm - 2:16 pmAAR-SEA
29h 26m3 stops
$938Multiple Airlines
Find Deal
qua, abr 15 - seg, mai 4
Multiple Airlines Logo
2:10 pm - 5:15 pmSEA-AAR
18h 05m3 stops
Multiple Airlines Logo
5:50 pm - 12:20 pmAAR-SEA
27h 30m3 stops
$1,183Multiple Airlines
Find Deal
qua, abr 15 - seg, mai 4

Lufthansa flights from Seattle to Denmark

Our best Lufthansa deals on Seattle to Denmark flight tickets
Lufthansa
Jan 11
SEA7:00 amSeattle/Tacoma Intl
17h 20m
2 stops
CPH9:20 amKastrup Copenhagen
Jan 24
CPH6:50 amKastrup Copenhagen
14h 20m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$489
Find similar
Lufthansa
Jan 11
SEA7:00 amSeattle/Tacoma Intl
17h 20m
2 stops
CPH9:20 amKastrup Copenhagen
Jan 24
CPH6:50 amKastrup Copenhagen
14h 20m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$492
Find similar
Lufthansa
Dec 2
SEA2:00 pmSeattle/Tacoma Intl
14h 35m
1 stop
CPH1:35 pmKastrup Copenhagen
Dec 10
CPH8:55 amKastrup Copenhagen
13h 25m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$494
Find similar

British Airways flights from Seattle to Denmark

Our best British Airways deals on Seattle to Denmark flight tickets
British Airways
Mar 11
SEA7:50 pmSeattle/Tacoma Intl
15h 10m
1 stop
CPH7:00 pmKastrup Copenhagen
Mar 20
CPH6:55 amKastrup Copenhagen
13h 35m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
$470
Find similar
British Airways
Mar 11
SEA1:37 pmSeattle/Tacoma Intl
19h 43m
2 stops
CPH5:20 pmKastrup Copenhagen
Mar 20
CPH6:55 amKastrup Copenhagen
19h 00m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$491
Find similar
British Airways
Mar 30
SEA1:35 pmSeattle/Tacoma Intl
15h 00m
1 stop
CPH1:35 pmKastrup Copenhagen
Apr 28
CPH5:40 pmKastrup Copenhagen
26h 55m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$504
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 novembro 26, 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

sáb 5/23

5:45 pm-10:45 am

1 stop32h 00m

Kastrup Copenhagen

sáb 5/30

1:05 pm-1:45 pm

Nonstop9h 40m

$467

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

qua 3/11

7:50 pm-7:00 pm

1 stop15h 10m

Kastrup Copenhagen

sex 3/20

6:55 am-12:30 pm

1 stop13h 35m

$470

SeattleAarhus

SEA - AAR

SEAAAR

Seattle/Tacoma Intl

qua 4/15

7:20 am-9:05 am

2 stops16h 45m

Aarhus

seg 5/4

5:50 pm-10:16 pm

2 stops37h 26m

$472

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

dom 4/5

7:00 pm-4:15 pm

1 stop12h 15m

Kastrup Copenhagen

seg 4/13

2:00 pm-5:50 pm

1 stop12h 50m

$483

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

sex 1/9

2:35 pm-12:00 pm

1 stop12h 25m

Kastrup Copenhagen

sex 1/16

12:55 pm-5:00 pm

1 stop13h 05m

$486

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

seg 2/23

2:00 pm-1:20 pm

1 stop14h 20m

Billund

sex 2/27

7:00 pm-12:10 pm

1 stop26h 10m

$554

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

seg 2/23

2:00 pm-1:20 pm

1 stop14h 20m

Billund

sex 2/27

6:30 am-1:20 pm

2 stops15h 50m

$568

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

qua 5/20

2:05 pm-5:55 pm

1 stop18h 50m

Billund

dom 5/24

6:00 am-4:13 pm

2 stops19h 13m

$596

SeattleAarhus

SEA - AAR

SEAAAR

Seattle/Tacoma Intl

qua 4/15

6:50 pm-11:50 pm

2 stops20h 00m

Aarhus

seg 5/4

5:50 pm-2:16 pm

3 stops29h 26m

$938

SeattleAarhus

SEA - AAR

SEAAAR

Seattle/Tacoma Intl

qua 4/15

2:10 pm-5:15 pm

3 stops18h 05m

Aarhus

seg 5/4

5:50 pm-12:20 pm

3 stops27h 30m

$1,183

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, October 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 $523. If you aren’t able to travel to Denmark during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $569.

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 $646. 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 $746.

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 $625 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 $588 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 50% 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

$407

Fastest flight time

9h 15m

Direct flights

Mon, Sat and Sun

Airports in Denmark

1 airport
The best one-way flight to Denmark from Seattle in the past 72 hours is $407. The best round-trip flight deal from Seattle to Denmark found on momondo in the last 72 hours is $583.
The fastest flight from Seattle to Denmark takes 9h 15m
Direct flights go from Seattle to Denmark on Monday, Saturday and Sunday. The only airline offering direct flights is Scandinavian Airlines.
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
1,497 reviews
Search Air France flights
DeltaPriceFrom $421Free CancellationRating
7.9
7,998 reviews
Search Delta flights
IcelandairPriceFrom $424Free CancellationRating
7.0
581 reviews
Search Icelandair flights
American AirlinesPriceFrom $492Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
British AirwaysPriceFrom $493Free CancellationRating
6.7
7,539 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $497Free CancellationRating
7.4
1,589 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom $504Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
Air CanadaPriceFrom $536Free CancellationRating
7.1
10,478 reviews
Search Air Canada flights
KLMPriceFrom $540Free CancellationRating
7.7
1,423 reviews
Search KLM flights
United AirlinesPriceFrom $546Free CancellationRating
7.4
9,046 reviews
Search United Airlines 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sex 12/26
sex 1/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Denmark

Popular cities in Denmark

Popular flights according to clicks in the last 7 days on momondo
Flights to Copenhagenfrom $361
Flights to Billundfrom $418
Flights to Aalborgfrom $385
Flights to Aarhusfrom $421
Flights to Sønderborgfrom $625
Flights to Karupfrom $760
Flights to Esbjergfrom $1,311