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

Prices for flights from Billund Airport to Washington were last updated today.

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

As of March 2026, there is 1 operator available to choose from for flights from Billund Airport to Washington.

How old do you have to be to fly from Billund Airport to Washington?

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 Billund Airport to Washington.

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

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$546 Cheap Flights from Billund to Washington in 2026

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0 bags

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Find the cheapest flights from Billund to Washington

Round-trip

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 4:30 pm

BLL

SEA

19h 30m

1 stop

6:40 pm - 10:25 pm

SEA

BLL

18h 45m

1 stop

$546Air France

Thu, Apr 16 - Mon, Apr 20

2:20 pm - 11:45 am

BLL

SEA

30h 25m

1 stop

1:30 pm - 11:20 am

SEA

BLL

12h 50m

1 stop

$557Air France

Thu, Apr 9 - Tue, Apr 14

6:00 am - 11:45 am

BLL

SEA

14h 45m

1 stop

7:19 am - 11:20 am

SEA

BLL

19h 01m

2 stops

$586Delta

Thu, Apr 16 - Mon, Apr 20

11:45 am - 4:30 pm

BLL

SEA

13h 45m

1 stop

7:15 am - 11:20 am

SEA

BLL

19h 05m

2 stops

$591Delta

Thu, Apr 9 - Tue, Apr 14

11:45 am - 9:50 pm

BLL

SEA

19h 05m

2 stops

7:15 am - 11:20 am

SEA

BLL

19h 05m

2 stops

$592Delta

Thu, Apr 16 - Mon, Apr 20

10:35 pm - 11:45 am

BLL

SEA

22h 10m

1 stop

3:40 pm - 9:35 pm

SEA

BLL

20h 55m

1 stop

$594Icelandair

Mon, Aug 24 - Sun, Sep 6

11:45 am - 11:40 pm

BLL

SEA

20h 55m

2 stops

7:15 am - 11:20 am

SEA

BLL

19h 05m

2 stops

$597Delta

Thu, Apr 9 - Tue, Apr 14

12:50 pm - 6:25 pm

BLL

SEA

14h 35m

1 stop

7:00 am - 2:30 pm

SEA

BLL

22h 30m

2 stops

$606British Airways

Thu, Apr 16 - Mon, Apr 20

6:00 am - 12:20 pm

BLL

SEA

15h 20m

1 stop

2:10 pm - 6:30 pm

SEA

BLL

19h 20m

1 stop

$613Lufthansa

Thu, Apr 16 - Mon, Apr 20

10:35 pm - 11:45 am

BLL

SEA

22h 10m

1 stop

7:00 pm - 9:35 pm

SEA

BLL

17h 35m

1 stop

$614Icelandair

Fri, Aug 21 - Sun, Sep 6

Air France flights from Billund to State of Washington

Our best Air France deals on Billund to State of Washington flight tickets

Air France

Apr 16

BLL6:00 amBillund

19h 30m

1 stop

SEA4:30 pmSeattle/Tacoma Intl

Apr 20

SEA6:40 pmSeattle/Tacoma Intl

18h 45m

1 stop

BLL10:25 pmBillund

$546

Air France

Apr 9

BLL2:20 pmBillund

30h 25m

1 stop

SEA11:45 amSeattle/Tacoma Intl

Apr 14

SEA1:30 pmSeattle/Tacoma Intl

12h 50m

1 stop

BLL11:20 amBillund

$557

Air France

Aug 22

BLL6:40 amBillund

13h 35m

1 stop

SEA11:15 amSeattle/Tacoma Intl

Sep 8

SEA1:30 pmSeattle/Tacoma Intl

12h 50m

1 stop

BLL11:20 amBillund

$693

Delta flights from Billund to State of Washington

Our best Delta deals on Billund to State of Washington flight tickets

Delta

Apr 16

BLL6:00 amBillund

14h 45m

1 stop

SEA11:45 amSeattle/Tacoma Intl

Apr 20

SEA7:19 amSeattle/Tacoma Intl

19h 01m

2 stops

BLL11:20 amBillund

$586

Delta

Apr 9

BLL11:45 amBillund

13h 45m

1 stop

SEA4:30 pmSeattle/Tacoma Intl

Apr 14

SEA7:15 amSeattle/Tacoma Intl

19h 05m

2 stops

BLL11:20 amBillund

$591

Delta

Apr 16

BLL11:45 amBillund

19h 05m

2 stops

SEA9:50 pmSeattle/Tacoma Intl

Apr 20

SEA7:15 amSeattle/Tacoma Intl

19h 05m

2 stops

BLL11:20 amBillund

$592

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 4/16

6:00 am-4:30 pm

1 stop19h 30m

Seattle/Tacoma Intl

Mon 4/20

6:40 pm-10:25 pm

1 stop18h 45m

$546

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 4/9

2:20 pm-11:45 am

1 stop30h 25m

Seattle/Tacoma Intl

Tue 4/14

1:30 pm-11:20 am

1 stop12h 50m

$557

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 4/16

6:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

Mon 4/20

7:19 am-11:20 am

2 stops19h 01m

$586

Quickest round-trip

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 4/9

11:45 am-4:30 pm

1 stop13h 45m

Seattle/Tacoma Intl

Tue 4/14

7:15 am-11:20 am

2 stops19h 05m

$591

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 4/16

11:45 am-9:50 pm

2 stops19h 05m

Seattle/Tacoma Intl

Mon 4/20

7:15 am-11:20 am

2 stops19h 05m

$592

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 8/24

10:35 pm-11:45 am

1 stop22h 10m

Seattle/Tacoma Intl

Sun 9/6

3:40 pm-9:35 pm

1 stop20h 55m

$594

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 4/9

11:45 am-11:40 pm

2 stops20h 55m

Seattle/Tacoma Intl

Tue 4/14

7:15 am-11:20 am

2 stops19h 05m

$597

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 4/16

12:50 pm-6:25 pm

1 stop14h 35m

Seattle/Tacoma Intl

Mon 4/20

7:00 am-2:30 pm

2 stops22h 30m

$606

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 4/16

6:00 am-12:20 pm

1 stop15h 20m

Seattle/Tacoma Intl

Mon 4/20

2:10 pm-6:30 pm

1 stop19h 20m

$613

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 8/21

10:35 pm-11:45 am

1 stop22h 10m

Seattle/Tacoma Intl

Sun 9/6

7:00 pm-9:35 pm

1 stop17h 35m

$614

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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 State of Washington?

The month of December is, on average, the cheapest month to fly to State of Washington from Billund, with most prices found around $554. If you aren’t able to travel to State of Washington during the month of December, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $589.

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Billund when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $725 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Billund for as low as $634 on momondo.

Cheap Billund to State of Washington flight deals and tips

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

Fastest flight time	13h 35m
Direct flights	None

The fastest flight from Billund to State of Washington takes 13h 35m

There are no direct flights from Billund to State of Washington. There are no popular flight routes from Billund to State of Washington.

Search flight deals

When did momondo last update prices for flights from Billund Airport to Washington?
Prices for flights from Billund Airport to Washington were last updated today.
How many operators does momondo search for flights from Billund Airport to Washington?
As of March 2026, there is 1 operator available to choose from for flights from Billund Airport to Washington.
How old do you have to be to fly from Billund Airport to Washington?
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 Billund Airport to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Billund to State of Washington

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

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $595	Free Cancellation	Rating 6.8 7,858 reviews		Search Lufthansa flights

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

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 Billund to Washington for you.

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

Yes. momondo enables you to select and highlight flights to Washington from Billund with this policy.

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

momondo provides multiple filters to help you find the best flight to Washington from Billund. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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