What is the cheapest airline that flies from Washington to Denmark?

TAP AIR PORTUGAL, Icelandair, and British Airways are the most popular carriers operating from Washington to Denmark

How long is the flight from State of Washington to Denmark?

Average flight duration from State of Washington to Denmark depends on which airport you fly into and out of. Flying from Seattle to Copenhagen is 9h 15m on average, while flying from Spokane to Copenhagen is 16h on average. Copenhagen is the most popular airport in Denmark.

What airlines fly to Denmark?

Scandinavian Airlines, Icelandair and Delta are the top three most popular airlines that fly to Denmark from State of Washington according to our data. Scandinavian Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Denmark. Keep in mind that there are 11 different airlines that fly to Denmark on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington to Denmark?

Prices for flights from Washington to Denmark refresh daily.

How many operators does momondo search for flights from Washington to Denmark?

As of December 2025, there are 11 operators available to choose from for flights from Washington to Denmark.

How old do you have to be to fly from Washington to Denmark?

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 Washington 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.

$271 Cheap Flights from Washington to Denmark in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:45 pm - 11:45 am

PDX

CPH

12h 00m1 stop

12:55 pm - 6:00 pm

CPH

PDX

13h 05m1 stop

$447Icelandair

lun., mar. 16 - vie., mar. 20

7:10 am - 10:25 am

SEA

CPH

18h 15m1 stop

12:55 pm - 10:25 pm

CPH

SEA

18h 30m1 stop

$490Scandinavian Airlines

lun., ene. 12 - mar., ene. 27

2:10 pm - 5:35 pm

SEA

CPH

18h 25m2 stops

8:55 am - 7:16 pm

CPH

SEA

19h 21m2 stops

$499Lufthansa

lun., ene. 12 - mar., ene. 27

3:40 pm - 10:50 am

SEA

CPH

34h 10m2 stops

6:40 am - 10:08 pm

CPH

SEA

24h 28m2 stops

$501Multiple Airlines

dom., abr. 12 - lun., abr. 20

8:04 am - 11:30 am

SEA

CPH

18h 26m2 stops

12:30 pm - 4:55 pm

CPH

SEA

13h 25m1 stop

$502British Airways

mar., ene. 20 - mar., ene. 27

1:35 pm - 8:05 pm

SEA

CPH

21h 30m1 stop

6:20 pm - 6:25 pm

CPH

SEA

33h 05m1 stop

$503British Airways

mié., may. 6 - lun., may. 18

7:45 am - 12:25 pm

PDX

CPH

19h 40m2 stops

12:30 pm - 12:34 am

CPH

PDX

21h 04m2 stops

$528Lufthansa

dom., feb. 8 - lun., feb. 16

2:15 pm - 3:30 pm

SEA

BLL

16h 15m1 stop

2:30 pm - 11:35 am

BLL

SEA

30h 05m1 stop

$530Multiple Airlines

vie., feb. 20 - dom., mar. 1

11:20 am - 1:45 pm

SEA

BLL

17h 25m2 stops

2:30 pm - 11:35 am

BLL

SEA

30h 05m1 stop

$536Delta

vie., feb. 20 - dom., mar. 1

7:10 am - 9:40 am

SEA

BLL

17h 30m2 stops

2:30 pm - 11:35 am

BLL

SEA

30h 05m1 stop

$540Delta

vie., feb. 20 - dom., mar. 1

United Airlines flights from State of Washington to Denmark

Our best United Airlines deals on State of Washington to Denmark flight tickets

United Airlines

Apr 19

SEA7:00 amSeattle/Tacoma Intl

24h 25m

2 stops

CPH4:25 pmKastrup Copenhagen

Apr 29

CPH12:25 pmKastrup Copenhagen

44h 04m

3 stops

SEA11:29 pmSeattle/Tacoma Intl

$512

Find similar

United Airlines

Apr 19

SEA6:50 pmSeattle/Tacoma Intl

14h 50m

1 stop

CPH6:40 pmKastrup Copenhagen

Apr 23

CPH6:40 amKastrup Copenhagen

14h 40m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$538

Find similar

United Airlines

Apr 19

SEA11:59 pmSeattle/Tacoma Intl

25h 51m

2 stops

CPH10:50 amKastrup Copenhagen

Apr 23

CPH6:40 amKastrup Copenhagen

14h 40m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$541

Find similar

Scandinavian Airlines flights from State of Washington to Denmark

Our best Scandinavian Airlines deals on State of Washington to Denmark flight tickets

Scandinavian Airlines

Jan 12

SEA7:10 amSeattle/Tacoma Intl

18h 15m

1 stop

CPH10:25 amKastrup Copenhagen

Jan 27

CPH12:55 pmKastrup Copenhagen

18h 30m

1 stop

SEA10:25 pmSeattle/Tacoma Intl

$490

Find similar

Scandinavian Airlines

Jan 14

SEA1:30 pmSeattle/Tacoma Intl

16h 55m

1 stop

CPH3:25 pmKastrup Copenhagen

Jan 24

CPH1:15 pmKastrup Copenhagen

18h 37m

1 stop

SEA10:52 pmSeattle/Tacoma Intl

$497

Find similar

Scandinavian Airlines

Jan 20

SEA2:02 pmSeattle/Tacoma Intl

34h 13m

2 stops

AAR9:15 amAarhus

Jan 27

AAR2:30 pmAarhus

40h 55m

2 stops

SEA10:25 pmSeattle/Tacoma Intl

$518

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

lun. 3/16

3:45 pm-11:45 am

1 stop12h 00m

Kastrup Copenhagen

vie. 3/20

12:55 pm-6:00 pm

1 stop13h 05m

$447

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

lun. 1/12

7:10 am-10:25 am

1 stop18h 15m

Kastrup Copenhagen

mar. 1/27

12:55 pm-10:25 pm

1 stop18h 30m

$490

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

lun. 1/12

2:10 pm-5:35 pm

2 stops18h 25m

Kastrup Copenhagen

mar. 1/27

8:55 am-7:16 pm

2 stops19h 21m

$499

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

dom. 4/12

3:40 pm-10:50 am

2 stops34h 10m

Kastrup Copenhagen

lun. 4/20

6:40 am-10:08 pm

2 stops24h 28m

$501

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mar. 1/20

8:04 am-11:30 am

2 stops18h 26m

Kastrup Copenhagen

mar. 1/27

12:30 pm-4:55 pm

1 stop13h 25m

$502

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mié. 5/6

1:35 pm-8:05 pm

1 stop21h 30m

Kastrup Copenhagen

lun. 5/18

6:20 pm-6:25 pm

1 stop33h 05m

$503

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

dom. 2/8

7:45 am-12:25 pm

2 stops19h 40m

Kastrup Copenhagen

lun. 2/16

12:30 pm-12:34 am

2 stops21h 04m

$528

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

vie. 2/20

2:15 pm-3:30 pm

1 stop16h 15m

Billund

dom. 3/1

2:30 pm-11:35 am

1 stop30h 05m

$530

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

vie. 2/20

11:20 am-1:45 pm

2 stops17h 25m

Billund

dom. 3/1

2:30 pm-11:35 am

1 stop30h 05m

$536

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

vie. 2/20

7:10 am-9:40 am

2 stops17h 30m

Billund

dom. 3/1

2:30 pm-11:35 am

1 stop30h 05m

$540

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How to get the cheapest flight ticket from State of Washington 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

Prices

Airlines

Other information

What is the cheapest month to fly to Denmark?

In general, October is the cheapest month to fly from State of Washington 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 November is also cheap. Prices for this month can be found on momondo for an average of $545.

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

The cheapest day to depart from State of Washington to Denmark is on a Tuesday. Travelers who choose to depart for Denmark on a Tuesday will often find tickets for as low as $659. On the other hand, Saturday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $744.

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

Flying to Denmark from State of Washington 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 Washington to Denmark flight route?

Fly from Seattle/Tacoma Intl to Kastrup Copenhagen for the best Washington - 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 State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Denmark for around $626 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denmark from State of Washington for as low as $598 on momondo.

What cabin class options are available on Washington to Denmark flights?

There are 3 cabin classes available to choose from on Washington 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 State of Washington to Denmark flights?

You could potentially save up to 45% on your flight if you consider stops on a State of Washington to Denmark flight.

Cheap State of Washington to Denmark flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Denmark

Best Price Found	$407
Fastest flight time	9h 15m
Direct flights	Sat and Sun
Airports in Denmark	1 airport

The best one-way flight to Denmark from State of Washington in the past 72 hours is $407. The best round-trip flight deal from State of Washington to Denmark found on momondo in the last 72 hours is $611.

The fastest flight from State of Washington to Denmark takes 9h 15m

Direct flights go from State of Washington to Denmark on 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 Washington to Denmark?
Prices for flights from Washington to Denmark refresh daily.
How many operators does momondo search for flights from Washington to Denmark?
As of December 2025, there are 11 operators available to choose from for flights from Washington to Denmark.
How old do you have to be to fly from Washington to Denmark?
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 Washington 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 State of Washington to Denmark?
Based on momondo bookings for flights between State of Washington and Denmark, the leading plane model is Airbus A350-900, making up 43.13% of the total bookings. Other popular models include Airbus A330-900neo with 12.32%, Airbus A330-300 with 9.95%, and Boeing 787-10 Dreamliner with 8.06%.

Best airlines flying from State of Washington to Denmark

Compare and see reviews for airlines that fly from State of Washington to Denmark with momondo

Airline	Rating	Free Cancellation	Price
Air France	PriceFrom $418	Free Cancellation	Rating 7.4 1,502 reviews	Search Air France flights
Delta	PriceFrom $421	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights
Icelandair	PriceFrom $422	Free Cancellation	Rating 7.0 588 reviews	Search Icelandair flights
American Airlines	PriceFrom $492	Free Cancellation	Rating 7.2 11,045 reviews	Search American Airlines flights
Scandinavian Airlines	PriceFrom $497	Free Cancellation	Rating 7.4 1,602 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $528	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
United Airlines	PriceFrom $535	Free Cancellation	Rating 7.4 9,089 reviews	Search United Airlines flights
Lufthansa	PriceFrom $535	Free Cancellation	Rating 6.8 7,618 reviews	Search Lufthansa flights
Air Canada	PriceFrom $536	Free Cancellation	Rating 7.1 10,514 reviews	Search Air Canada flights
KLM	PriceFrom $540	Free Cancellation	Rating 7.7 1,431 reviews	Search KLM flights

Why use momondo?

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

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 Washington to Denmark for you.

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

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

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

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 Denmark from Washington.

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

If you are not ready to book a flight from Washington to Denmark now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denmark and let you know when they change.

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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Find better results for your trip to Denmark

Popular cities in Denmark

Flights to Copenhagenfrom $330

Flights to Billundfrom $413

Flights to Aalborgfrom $437

Flights to Aarhusfrom $410

Flights to Sønderborgfrom $964

Flights to Karupfrom $760

Flights to Esbjergfrom $1,311

Cheap flights from Washington to Denmark from $271

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Denmark departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

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Find the cheapest flights from Washington to Denmark

Cheap round-trip flights

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Cheap last minute flights

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United Airlines flights from State of Washington to Denmark

Our best United Airlines deals on State of Washington to Denmark flight tickets

Scandinavian Airlines flights from State of Washington to Denmark

Our best Scandinavian Airlines deals on State of Washington to Denmark flight tickets

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How to get the cheapest flight ticket from State of Washington 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?

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

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

What is the cheapest Washington to Denmark flight route?

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

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

What cabin class options are available on Washington to Denmark flights?

There are 3 cabin classes available to choose from on Washington 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 State of Washington to Denmark flights?

You could potentially save up to 45% on your flight if you consider stops on a State of Washington to Denmark flight.

What is the cheapest airline that flies from Washington to Denmark?

TAP AIR PORTUGAL, Icelandair, and British Airways are the most popular carriers operating from Washington to Denmark

What airlines fly to Denmark?

How long is the flight from State of Washington to Denmark?

Average flight duration from State of Washington to Denmark depends on which airport you fly into and out of. Flying from Seattle to Copenhagen is 9h 15m on average, while flying from Spokane to Copenhagen is 16h on average. Copenhagen is the most popular airport in Denmark.

Cheap State of Washington to Denmark flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Denmark

Best Price Found

Fastest flight time

Direct flights

Airports in Denmark

When did momondo last update prices for flights from Washington to Denmark?

How many operators does momondo search for flights from Washington to Denmark?

How old do you have to be to fly from Washington to Denmark?

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

What is the most popular plane model from State of Washington to Denmark?

Best airlines flying from State of Washington to Denmark

Compare and see reviews for airlines that fly from State of Washington to Denmark with momondo

Why use momondo?

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

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

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

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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Denmark

Popular cities in Denmark

Popular flights according to clicks in the last 7 days on momondo