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 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.

$545 Cheap Flights from Billund to Washington in 2026

Find the cheapest flights from Billund to Washington

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 pm - 9:36 pm

BLL

SEA

32h 36m

2 stops

11:34 am - 7:50 pm

SEA

BLL

23h 16m

2 stops

$545British Airways

Fri, Oct 2 - Tue, Oct 6

9:30 pm - 8:52 pm

BLL

SEA

32h 22m

2 stops

5:50 am - 8:35 pm

SEA

BLL

29h 45m

2 stops

$558British Airways

Mon, Aug 17 - Sun, Aug 23

10:35 pm - 11:45 am

BLL

SEA

22h 10m

1 stop

7:00 pm - 9:35 pm

SEA

BLL

17h 35m

1 stop

$582Icelandair

Mon, Aug 17 - Sun, Aug 23

12:00 pm - 5:34 pm

BLL

SEA

14h 34m

1 stop

5:45 pm - 5:55 pm

SEA

BLL

15h 10m

1 stop

$609Air France

Fri, Aug 14 - Tue, Aug 18

9:30 pm - 11:35 am

BLL

SEA

23h 05m

1 stop

5:50 am - 8:35 pm

SEA

BLL

29h 45m

2 stops

$619British Airways

Mon, Aug 17 - Sun, Aug 23

6:00 am - 11:37 am

BLL

SEA

14h 37m

1 stop

9:35 am - 11:00 am

SEA

BLL

16h 25m

2 stops

$634Delta

Fri, Aug 14 - Tue, Aug 18

10:00 pm - 11:35 am

BLL

SEA

22h 35m

1 stop

2:12 pm - 7:50 pm

SEA

BLL

20h 38m

2 stops

$638British Airways

Fri, Oct 2 - Tue, Oct 6

10:00 pm - 11:35 am

BLL

SEA

22h 35m

1 stop

2:12 pm - 7:50 pm

SEA

BLL

20h 38m

2 stops

$641British Airways

Fri, Oct 2 - Tue, Oct 6

10:00 pm - 11:35 am

BLL

SEA

22h 35m

1 stop

2:12 pm - 12:05 pm

SEA

BLL

36h 53m

2 stops

$642British Airways

Fri, Oct 2 - Tue, Oct 6

6:45 pm - 11:37 am

BLL

SEA

25h 52m

1 stop

8:59 pm - 9:35 am

SEA

BLL

27h 36m

2 stops

$660KLM

Thu, Aug 13 - Mon, Aug 17

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British Airways flights from Billund to State of Washington

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

British Airways

Oct 2

BLL10:00 pmBillund

32h 36m

2 stops

SEA9:36 pmSeattle/Tacoma Intl

Oct 6

SEA11:34 amSeattle/Tacoma Intl

23h 16m

2 stops

BLL7:50 pmBillund

$545

British Airways

Aug 17

BLL9:30 pmBillund

32h 22m

2 stops

SEA8:52 pmSeattle/Tacoma Intl

Aug 23

SEA5:50 amSeattle/Tacoma Intl

29h 45m

2 stops

BLL8:35 pmBillund

$558

British Airways

Aug 17

BLL9:30 pmBillund

23h 05m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Aug 23

SEA5:50 amSeattle/Tacoma Intl

29h 45m

2 stops

BLL8:35 pmBillund

$619

United Airlines flights from Billund to State of Washington

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

United Airlines

Aug 14

BLL6:00 amBillund

14h 55m

1 stop

SEA11:55 amSeattle/Tacoma Intl

Aug 18

SEA2:10 pmSeattle/Tacoma Intl

15h 10m

1 stop

BLL2:20 pmBillund

$705

United Airlines

Oct 2

BLL6:00 amBillund

21h 52m

2 stops

SEA6:52 pmSeattle/Tacoma Intl

Oct 6

SEA11:13 pmSeattle/Tacoma Intl

33h 37m

2 stops

BLL5:50 pmBillund

$707

United Airlines

Oct 2

BLL2:45 pmBillund

38h 52m

3 stops

SEA8:37 pmSeattle/Tacoma Intl

Oct 6

SEA7:00 amSeattle/Tacoma Intl

18h 10m

2 stops

BLL10:10 amBillund

$710

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 10/2

10:00 pm-9:36 pm

2 stops32h 36m

Seattle/Tacoma Intl

Tue 10/6

11:34 am-7:50 pm

2 stops23h 16m

$545

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 8/17

9:30 pm-8:52 pm

2 stops32h 22m

Seattle/Tacoma Intl

Sun 8/23

5:50 am-8:35 pm

2 stops29h 45m

$558

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 8/17

10:35 pm-11:45 am

1 stop22h 10m

Seattle/Tacoma Intl

Sun 8/23

7:00 pm-9:35 pm

1 stop17h 35m

$582

Quickest round-trip

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 8/14

12:00 pm-5:34 pm

1 stop14h 34m

Seattle/Tacoma Intl

Tue 8/18

5:45 pm-5:55 pm

1 stop15h 10m

$609

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 8/17

9:30 pm-11:35 am

1 stop23h 05m

Seattle/Tacoma Intl

Sun 8/23

5:50 am-8:35 pm

2 stops29h 45m

$619

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 8/14

6:00 am-11:37 am

1 stop14h 37m

Seattle/Tacoma Intl

Tue 8/18

9:35 am-11:00 am

2 stops16h 25m

$634

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 10/2

10:00 pm-11:35 am

1 stop22h 35m

Seattle/Tacoma Intl

Tue 10/6

2:12 pm-7:50 pm

2 stops20h 38m

$638

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 10/2

10:00 pm-11:35 am

1 stop22h 35m

Seattle/Tacoma Intl

Tue 10/6

2:12 pm-7:50 pm

2 stops20h 38m

$641

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 10/2

10:00 pm-11:35 am

1 stop22h 35m

Seattle/Tacoma Intl

Tue 10/6

2:12 pm-12:05 pm

2 stops36h 53m

$642

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 8/13

6:45 pm-11:37 am

1 stop25h 52m

Seattle/Tacoma Intl

Mon 8/17

8:59 pm-9:35 am

2 stops27h 36m

$660

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 July is, on average, the cheapest month to fly to State of Washington from Billund, with most prices found around $368. If you aren’t able to travel to State of Washington during the month of July, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $394.

How far in advance should I book a flight from Billund to 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 $756 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 $635 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	29h 50m
Direct flights	None

The fastest flight from Billund to State of Washington takes 29h 50m

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

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Frequently asked questions about flying from Billund to Washington

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 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.

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.