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Cheap flights from Washington to Billund from $490

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Billund departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington to Billund

Cheap round-trip flights

Air France Logo
1:30 pm - 10:25 pmSEA-BLL
23h 55m1 stop
Air France Logo
6:15 am - 11:15 amBLL-SEA
14h 00m1 stop
$490Air France
Find Deal
Wed, Aug 20 - Sun, Aug 24
Delta Logo
7:45 am - 11:05 amSEA-BLL
18h 20m2 stops
Delta Logo
6:15 am - 11:15 amBLL-SEA
14h 00m1 stop
$492Delta
Find Deal
Wed, Aug 20 - Sun, Aug 24
Logo
1:30 pm - 10:25 pmSEA-BLL
23h 55m1 stop
Logo
6:15 am - 11:15 amBLL-SEA
14h 00m1 stop
$516
Find Deal
Wed, Aug 20 - Sun, Aug 24
Logo
1:30 pm - 1:25 pmSEA-BLL
38h 55m2 stops
Logo
2:10 pm - 11:35 amBLL-SEA
30h 25m2 stops
$589
Find Deal
Tue, Aug 19 - Wed, Sep 17
Lufthansa Logo
6:50 pm - 11:15 pmSEA-BLL
19h 25m1 stop
Lufthansa Logo
6:00 am - 11:55 amBLL-SEA
14h 55m1 stop
$602Lufthansa
Find Deal
Wed, Sep 24 - Thu, Oct 2
KLM Logo
11:23 am - 5:40 pmSEA-BLL
21h 17m2 stops
KLM Logo
2:35 pm - 10:20 pmBLL-SEA
16h 45m2 stops
$604KLM
Find Deal
Wed, Aug 20 - Sun, Aug 24
Lufthansa Logo
2:20 pm - 2:00 pmSEA-BLL
14h 40m1 stop
Lufthansa Logo
6:00 am - 11:55 amBLL-SEA
14h 55m1 stop
$606Lufthansa
Find Deal
Tue, Sep 23 - Thu, Oct 2
KLM Logo
11:23 am - 5:40 pmSEA-BLL
21h 17m2 stops
KLM Logo
6:00 am - 11:35 amBLL-SEA
14h 35m1 stop
$651KLM
Find Deal
Wed, Aug 20 - Sun, Aug 24
British Airways Logo
5:45 pm - 7:50 pmPDX-BLL
17h 05m1 stop
British Airways Logo
8:50 pm - 3:55 pmBLL-PDX
28h 05m1 stop
$687British Airways
Find Deal
Wed, Nov 12 - Sun, Nov 16
British Airways Logo
5:45 pm - 12:05 pmPDX-BLL
33h 20m1 stop
British Airways Logo
1:15 pm - 3:55 pmBLL-PDX
35h 40m1 stop
$688British Airways
Find Deal
Wed, Nov 12 - Sun, Nov 16

Air Canada flights from State of Washington to Billund

Our best Air Canada deals on State of Washington to Billund flight tickets
Air Canada
Nov 12
PDX9:50 amPortland
18h 40m
2 stops
BLL1:30 pmBillund
Nov 16
BLL6:35 amBillund
35h 40m
2 stops
PDX9:15 amPortland
$695
Find similar
Air Canada
Aug 20
PDX6:15 amPortland
22h 50m
2 stops
BLL2:05 pmBillund
Sep 4
BLL6:00 amBillund
25h 25m
3 stops
PDX10:25 pmPortland
$967
Find similar
Air Canada
Aug 19
PDX6:15 amPortland
22h 45m
2 stops
BLL2:00 pmBillund
Sep 17
BLL6:00 amBillund
21h 46m
3 stops
PDX6:46 pmPortland
$1,043
Find similar

British Airways flights from State of Washington to Billund

Our best British Airways deals on State of Washington to Billund flight tickets
British Airways
Nov 12
PDX5:45 pmPortland
17h 05m
1 stop
BLL7:50 pmBillund
Nov 16
BLL8:50 pmBillund
28h 05m
1 stop
PDX3:55 pmPortland
$687
Find similar
British Airways
Nov 12
PDX5:45 pmPortland
33h 20m
1 stop
BLL12:05 pmBillund
Nov 16
BLL1:15 pmBillund
35h 40m
1 stop
PDX3:55 pmPortland
$688
Find similar
British Airways
Sep 20
SEA8:20 pmSeattle/Tacoma Intl
35h 00m
1 stop
BLL4:20 pmBillund
Sep 27
BLL4:25 pmBillund
28h 05m
1 stop
SEA11:30 amSeattle/Tacoma Intl
$889
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Billund that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 7, 2025.
Use the filters below to find and compare flights from Washington to Billund that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 8/20

1:30 pm-10:25 pm

1 stop23h 55m

Billund

Sun 8/24

6:15 am-11:15 am

1 stop14h 00m

$490

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 8/20

7:45 am-11:05 am

2 stops18h 20m

Billund

Sun 8/24

6:15 am-11:15 am

1 stop14h 00m

$492

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 8/20

1:30 pm-10:25 pm

1 stop23h 55m

Billund

Sun 8/24

6:15 am-11:15 am

1 stop14h 00m

$516

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 8/19

1:30 pm-1:25 pm

2 stops38h 55m

Billund

Wed 9/17

2:10 pm-11:35 am

2 stops30h 25m

$589

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 9/24

6:50 pm-11:15 pm

1 stop19h 25m

Billund

Thu 10/2

6:00 am-11:55 am

1 stop14h 55m

$602

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 8/20

11:23 am-5:40 pm

2 stops21h 17m

Billund

Sun 8/24

2:35 pm-10:20 pm

2 stops16h 45m

$604

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 9/23

2:20 pm-2:00 pm

1 stop14h 40m

Billund

Thu 10/2

6:00 am-11:55 am

1 stop14h 55m

$606

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 8/20

11:23 am-5:40 pm

2 stops21h 17m

Billund

Sun 8/24

6:00 am-11:35 am

1 stop14h 35m

$651

PortlandBillund

PDX - BLL

PDXBLL

Portland

Wed 11/12

5:45 pm-7:50 pm

1 stop17h 05m

Billund

Sun 11/16

8:50 pm-3:55 pm

1 stop28h 05m

$687

PortlandBillund

PDX - BLL

PDXBLL

Portland

Wed 11/12

5:45 pm-12:05 pm

1 stop33h 20m

Billund

Sun 11/16

1:15 pm-3:55 pm

1 stop35h 40m

$688

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Billund from

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

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 day to depart on your flight to Billund?

The cheapest day to depart from State of Washington to Billund is on a Friday when prices can be found for as low as $676. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to Billund for around $1,018.

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

According to our data, the cheapest time of day to fly to Billund is in the morning. momondo users have found flights departing from State of Washington to Billund in the morning for as low as $781. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,057.

Cheap State of Washington to Billund flight deals and tips

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

Best Price Found

$508

Fastest flight time

11h 20m

Direct flights

None

Airports in Billund

1 airport
The best one-way flight to Billund from State of Washington in the past 72 hours is $508. The best round-trip flight deal from State of Washington to Billund found on momondo in the last 72 hours is $490.
The fastest flight from State of Washington to Billund takes 11h 20m
There are no direct flights from State of Washington to Billund. Popular non-direct routes for this connection are Portland Airport - Billund Airport and Seattle/Tacoma Intl Airport - Billund Airport.
There is 1 airport near Billund: Billund (BLL)
Search flight deals

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

    Prices for flights from Washington to Billund Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Billund Airport.

  • What documentation or ID do you need to fly to Billund Airport?

    The travel and health documents you'll need for your trip to Billund Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Billund Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Billund

Compare and see reviews for airlines that fly from State of Washington to Billund with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $366Free CancellationRating
8.0
7,985 reviews
Search Delta flights
KLMPriceFrom $582Free CancellationRating
7.8
1,381 reviews
Search KLM flights

Traveling to a place near Billund?

Book flights to Billund if you plan to visit one of these locations
Vejle
Kolding
Ribe
Middelfart
Horsens

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Billund. momondo saves you time and could save you money on your trip.

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

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

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

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 Billund from Washington.

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

If you are simply researching potential flights to Billund, momondo offers a useful price alert feature which will track prices for flights to Billund from Washington and alert you when they change.

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