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.

$425 Cheap Flights from Billund to Washington in 2026

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Find the cheapest flights from Billund to Washington

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:50 pm - 11:35 am

BLL

SEA

31h 45m

1 stop

2:12 pm - 6:50 pm

SEA

BLL

20h 38m

2 stops

$552British Airways

Thu, Oct 22 - Mon, Oct 26

12:50 pm - 12:14 am

BLL

SEA

20h 24m

2 stops

2:12 pm - 12:30 pm

SEA

BLL

38h 18m

2 stops

$558British Airways

Thu, Oct 22 - Mon, Oct 26

9:50 pm - 11:35 am

BLL

SEA

22h 45m

1 stop

10:27 am - 2:30 pm

SEA

BLL

19h 03m

2 stops

$599British Airways

Wed, Jun 10 - Mon, Jun 15

6:00 am - 11:42 am

BLL

SEA

14h 42m

1 stop

9:22 am - 11:20 am

SEA

BLL

16h 58m

2 stops

$649Delta

Thu, May 21 - Mon, May 25

12:50 pm - 11:35 am

BLL

SEA

31h 45m

1 stop

1:30 pm - 2:30 pm

SEA

BLL

16h 00m

1 stop

$654British Airways

Thu, Oct 8 - Mon, Oct 12

6:00 am - 4:37 pm

BLL

SEA

19h 37m

2 stops

9:22 am - 11:20 am

SEA

BLL

16h 58m

2 stops

$655Delta

Thu, May 21 - Mon, May 25

12:50 pm - 11:35 am

BLL

SEA

31h 45m

1 stop

3:42 pm - 11:05 am

SEA

BLL

34h 23m

2 stops

$659British Airways

Thu, Oct 8 - Mon, Oct 12

12:50 pm - 11:35 am

BLL

SEA

31h 45m

1 stop

3:42 pm - 11:05 am

SEA

BLL

34h 23m

2 stops

$660British Airways

Thu, Oct 8 - Mon, Oct 12

6:00 am - 11:37 am

BLL

SEA

14h 37m

1 stop

1:55 pm - 11:00 am

SEA

BLL

12h 05m

1 stop

$670Air France

Tue, Jun 9 - Wed, Jun 17

6:00 am - 4:30 pm

BLL

SEA

19h 30m

1 stop

1:30 pm - 11:20 am

SEA

BLL

12h 50m

1 stop

$672Delta

Fri, May 22 - Tue, May 26

Delta flights from Billund to State of Washington

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

Delta

May 21

BLL6:00 amBillund

14h 42m

1 stop

SEA11:42 amSeattle/Tacoma Intl

May 25

SEA9:22 amSeattle/Tacoma Intl

16h 58m

2 stops

BLL11:20 amBillund

$649

Delta

May 21

BLL6:00 amBillund

19h 37m

2 stops

SEA4:37 pmSeattle/Tacoma Intl

May 25

SEA9:22 amSeattle/Tacoma Intl

16h 58m

2 stops

BLL11:20 amBillund

$655

Delta

May 22

BLL6:00 amBillund

19h 30m

1 stop

SEA4:30 pmSeattle/Tacoma Intl

May 26

SEA1:30 pmSeattle/Tacoma Intl

12h 50m

1 stop

BLL11:20 amBillund

$672

United Airlines flights from Billund to State of Washington

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

United Airlines

Oct 8

BLL6:00 amBillund

15h 20m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

Oct 12

SEA10:40 pmSeattle/Tacoma Intl

26h 30m

2 stops

BLL10:10 amBillund

$718

United Airlines

Jun 9

BLL6:05 amBillund

15h 15m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

Jun 21

SEA10:45 amSeattle/Tacoma Intl

22h 15m

2 stops

BLL6:00 pmBillund

$721

United Airlines

Jun 6

BLL3:00 pmBillund

30h 20m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

Jun 21

SEA10:45 amSeattle/Tacoma Intl

22h 15m

2 stops

BLL6:00 pmBillund

$742

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 10/22

12:50 pm-11:35 am

1 stop31h 45m

Seattle/Tacoma Intl

Mon 10/26

2:12 pm-6:50 pm

2 stops20h 38m

$552

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 10/22

12:50 pm-12:14 am

2 stops20h 24m

Seattle/Tacoma Intl

Mon 10/26

2:12 pm-12:30 pm

2 stops38h 18m

$558

BillundSeattle

BLL - SEA

BLLSEA

Billund

Wed 6/10

9:50 pm-11:35 am

1 stop22h 45m

Seattle/Tacoma Intl

Mon 6/15

10:27 am-2:30 pm

2 stops19h 03m

$599

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 5/21

6:00 am-11:42 am

1 stop14h 42m

Seattle/Tacoma Intl

Mon 5/25

9:22 am-11:20 am

2 stops16h 58m

$649

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 10/8

12:50 pm-11:35 am

1 stop31h 45m

Seattle/Tacoma Intl

Mon 10/12

1:30 pm-2:30 pm

1 stop16h 00m

$654

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 5/21

6:00 am-4:37 pm

2 stops19h 37m

Seattle/Tacoma Intl

Mon 5/25

9:22 am-11:20 am

2 stops16h 58m

$655

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 10/8

12:50 pm-11:35 am

1 stop31h 45m

Seattle/Tacoma Intl

Mon 10/12

3:42 pm-11:05 am

2 stops34h 23m

$659

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 10/8

12:50 pm-11:35 am

1 stop31h 45m

Seattle/Tacoma Intl

Mon 10/12

3:42 pm-11:05 am

2 stops34h 23m

$660

Quickest round-trip

BillundSeattle

BLL - SEA

BLLSEA

Billund

Tue 6/9

6:00 am-11:37 am

1 stop14h 37m

Seattle/Tacoma Intl

Wed 6/17

1:55 pm-11:00 am

1 stop12h 05m

$670

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 5/22

6:00 am-4:30 pm

1 stop19h 30m

Seattle/Tacoma Intl

Tue 5/26

1:30 pm-11:20 am

1 stop12h 50m

$672

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted 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 $317. If you aren’t able to travel to State of Washington during the month of December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $435.

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 $748 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 $638 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 39m
Direct flights	None

The fastest flight from Billund to State of Washington takes 13h 39m

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.