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 January 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.

$508 Cheap Flights from Billund to Washington in 2026

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0 bags

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1:00 pm - 12:24 am

BLL

SEA

20h 24m

2 stops

7:15 am - 12:30 pm

SEA

BLL

20h 15m

2 stops

$508British Airways

Thu, Feb 26 - Tue, Mar 3

1:00 pm - 12:24 am

BLL

SEA

20h 24m

2 stops

1:25 pm - 12:30 pm

SEA

BLL

14h 05m

1 stop

$509British Airways

Thu, Feb 26 - Tue, Mar 3

6:00 am - 11:40 am

BLL

SEA

14h 40m

1 stop

1:40 pm - 11:00 pm

SEA

BLL

24h 20m

1 stop

$525Air France

Thu, Feb 26 - Tue, Mar 3

6:00 am - 11:40 am

BLL

SEA

14h 40m

1 stop

1:40 pm - 2:35 pm

SEA

BLL

15h 55m

1 stop

$614Delta

Thu, Feb 26 - Tue, Mar 3

2:00 pm - 9:15 am

BLL

SEA

28h 15m

3 stops

8:10 am - 1:40 pm

SEA

BLL

20h 30m

2 stops

$635Multiple Airlines

Thu, Feb 26 - Tue, Mar 3

6:00 am - 5:00 pm

BLL

SEA

20h 00m

3 stops

2:35 pm - 10:50 pm

SEA

BLL

23h 15m

3 stops

$739Multiple Airlines

Thu, Feb 26 - Tue, Mar 3

2:45 pm - 4:59 pm

BLL

SEA

35h 14m

2 stops

5:15 pm - 10:10 am

SEA

BLL

31h 55m

2 stops

$899United Airlines

Fri, Jul 10 - Sat, Jul 25

2:15 pm - 12:59 am

BLL

SEA

18h 44m

2 stops

3:00 pm - 1:20 pm

SEA

BLL

14h 20m

1 stop

$907United Airlines

Sat, Mar 14 - Sat, Mar 21

10:00 pm - 11:35 am

BLL

SEA

22h 35m

1 stop

8:20 pm - 1:50 pm

SEA

BLL

32h 30m

2 stops

$927Multiple Airlines

Fri, Jul 10 - Sat, Jul 25

2:45 pm - 4:59 pm

BLL

SEA

35h 14m

2 stops

11:44 am - 10:10 am

SEA

BLL

37h 26m

3 stops

$948United Airlines

Fri, Jul 10 - Sat, Jul 25

British Airways flights from Billund to State of Washington

Our best British Airways deals on Billund to State of Washington flight tickets

British Airways

Feb 26

BLL1:00 pmBillund

20h 24m

2 stops

SEA12:24 amSeattle/Tacoma Intl

Mar 3

SEA7:15 amSeattle/Tacoma Intl

20h 15m

2 stops

BLL12:30 pmBillund

$508

British Airways

Feb 26

BLL1:00 pmBillund

20h 24m

2 stops

SEA12:24 amSeattle/Tacoma Intl

Mar 3

SEA1:25 pmSeattle/Tacoma Intl

14h 05m

1 stop

BLL12:30 pmBillund

$509

British Airways

Jul 10

BLL10:00 pmBillund

22h 35m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Jul 25

SEA8:20 pmSeattle/Tacoma Intl

29h 30m

1 stop

BLL10:50 amBillund

$987

United Airlines flights from Billund to State of Washington

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

United Airlines

Jul 10

BLL2:45 pmBillund

35h 14m

2 stops

SEA4:59 pmSeattle/Tacoma Intl

Jul 25

SEA5:15 pmSeattle/Tacoma Intl

31h 55m

2 stops

BLL10:10 amBillund

$899

United Airlines

Mar 14

BLL2:15 pmBillund

18h 44m

2 stops

SEA12:59 amSeattle/Tacoma Intl

Mar 21

SEA3:00 pmSeattle/Tacoma Intl

14h 20m

1 stop

BLL1:20 pmBillund

$907

United Airlines

Jul 10

BLL2:45 pmBillund

35h 14m

2 stops

SEA4:59 pmSeattle/Tacoma Intl

Jul 25

SEA11:44 amSeattle/Tacoma Intl

37h 26m

3 stops

BLL10:10 amBillund

$948

Fly from

Fly to

Route

Depart

Return

Price

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 2/26

1:00 pm-12:24 am

2 stops20h 24m

Seattle/Tacoma Intl

Tue 3/3

7:15 am-12:30 pm

2 stops20h 15m

$508

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 2/26

1:00 pm-12:24 am

2 stops20h 24m

Seattle/Tacoma Intl

Tue 3/3

1:25 pm-12:30 pm

1 stop14h 05m

$509

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 2/26

6:00 am-11:40 am

1 stop14h 40m

Seattle/Tacoma Intl

Tue 3/3

1:40 pm-11:00 pm

1 stop24h 20m

$525

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 2/26

6:00 am-11:40 am

1 stop14h 40m

Seattle/Tacoma Intl

Tue 3/3

1:40 pm-2:35 pm

1 stop15h 55m

$614

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 2/26

2:00 pm-9:15 am

3 stops28h 15m

Seattle/Tacoma Intl

Tue 3/3

8:10 am-1:40 pm

2 stops20h 30m

$635

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 2/26

6:00 am-5:00 pm

3 stops20h 00m

Seattle/Tacoma Intl

Tue 3/3

2:35 pm-10:50 pm

3 stops23h 15m

$739

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 7/10

2:45 pm-4:59 pm

2 stops35h 14m

Seattle/Tacoma Intl

Sat 7/25

5:15 pm-10:10 am

2 stops31h 55m

$899

BillundSeattle

BLL - SEA

BLLSEA

Billund

Sat 3/14

2:15 pm-12:59 am

2 stops18h 44m

Seattle/Tacoma Intl

Sat 3/21

3:00 pm-1:20 pm

1 stop14h 20m

$907

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 7/10

10:00 pm-11:35 am

1 stop22h 35m

Seattle/Tacoma Intl

Sat 7/25

8:20 pm-1:50 pm

2 stops32h 30m

$927

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 7/10

2:45 pm-4:59 pm

2 stops35h 14m

Seattle/Tacoma Intl

Sat 7/25

11:44 am-10:10 am

3 stops37h 26m

$948

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 November is also cheap. Prices for this month can be found on momondo for an average of $555.

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 $686 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 $618 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	20h 24m
Direct flights	None

The fastest flight from Billund to State of Washington takes 20h 24m

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 January 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 7,754 reviews		Search Lufthansa flights

Why use momondo?

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?

Yes. momondo can track prices for Billund to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.