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Cheap flights from Washington to Billund from $413

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Billund departing on 8/21. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Billund

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air France Logo
1:30 pm - 11:20 amSEA  Seattle/Tacoma Intl-BLL Billund
12h 50m1 stop Paris Charles de Gaulle
Air France Logo
6:40 am - 5:43 pmBLL  Billund-SEA Seattle/Tacoma Intl
20h 03m1 stop Paris Charles de Gaulle
$497Air France
Sun, Aug 23 - Thu, Sep 3
Multiple Airlines Logo
1:30 pm - 11:20 amSEA  Seattle/Tacoma Intl-BLL Billund
12h 50m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
10:15 am - 4:35 pmBLL  Billund-SEA Seattle/Tacoma Intl
15h 20m1 stop Amsterdam Schiphol
$497Multiple Airlines
Tue, Oct 6 - Tue, Oct 20
Delta Logo
7:15 am - 11:20 amSEA  Seattle/Tacoma Intl-BLL Billund
19h 05m2 stops Chicago O'Hare Intl Paris Charles de Gaulle
Delta Logo
6:40 am - 5:47 pmBLL  Billund-SEA Seattle/Tacoma Intl
20h 07m1 stop Paris Charles de Gaulle
$502Delta
Tue, Oct 6 - Tue, Oct 20
Delta Logo
7:15 am - 10:25 amSEA  Seattle/Tacoma Intl-BLL Billund
18h 10m2 stops New York John F Kennedy Intl Kastrup Copenhagen
Delta Logo
6:40 am - 5:47 pmBLL  Billund-SEA Seattle/Tacoma Intl
20h 07m1 stop Paris Charles de Gaulle
$503Delta
Tue, Oct 6 - Tue, Oct 20
Air France Logo
1:50 pm - 1:30 pmSEA  Seattle/Tacoma Intl-BLL Billund
14h 40m1 stop Amsterdam Schiphol
Air France Logo
6:40 am - 5:34 pmBLL  Billund-SEA Seattle/Tacoma Intl
19h 54m1 stop Paris Charles de Gaulle
$509Air France
Sun, Aug 23 - Sun, Aug 30
Multiple Airlines Logo
1:50 pm - 1:30 pmSEA  Seattle/Tacoma Intl-BLL Billund
14h 40m1 stop Amsterdam Schiphol
Multiple Airlines Logo
11:45 am - 4:35 pmBLL  Billund-SEA Seattle/Tacoma Intl
13h 50m1 stop Amsterdam Schiphol
$509Multiple Airlines
Sun, Aug 23 - Thu, Sep 3
Delta Logo
1:45 pm - 5:55 pmSEA  Seattle/Tacoma Intl-BLL Billund
19h 10m1 stop Amsterdam Schiphol
Delta Logo
11:45 am - 4:35 pmBLL  Billund-SEA Seattle/Tacoma Intl
13h 50m1 stop Amsterdam Schiphol
$509Delta
Tue, Oct 6 - Tue, Oct 20
Air France Logo
1:30 pm - 11:20 amSEA  Seattle/Tacoma Intl-BLL Billund
12h 50m1 stop Paris Charles de Gaulle
Air France Logo
6:00 am - 11:37 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 37m1 stop Amsterdam Schiphol
$554Air France
Sat, Aug 22 - Mon, Aug 31
Air France Logo
1:30 pm - 11:20 amSEA  Seattle/Tacoma Intl-BLL Billund
12h 50m1 stop Paris Charles de Gaulle
Air France Logo
6:00 am - 11:37 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 37m1 stop Amsterdam Schiphol
$554Air France
Sat, Aug 22 - Sun, Aug 30
Multiple Airlines Logo
6:40 pm - 10:25 pmSEA  Seattle/Tacoma Intl-BLL Billund
18h 45m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
6:00 am - 4:27 pmBLL  Billund-SEA Seattle/Tacoma Intl
19h 27m1 stop Amsterdam Schiphol
$574Multiple Airlines
Fri, Aug 21 - Mon, Aug 31

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Air France flights from State of Washington to Billund

Our best Air France deals on State of Washington to Billund flight tickets
Air France
Aug 23
SEA1:30 pmSeattle/Tacoma Intl
12h 50m
1 stop
BLL11:20 amBillund
Sep 3
BLL6:40 amBillund
20h 03m
1 stop
SEA5:43 pmSeattle/Tacoma Intl
$497
Air France
Aug 22
SEA1:30 pmSeattle/Tacoma Intl
12h 50m
1 stop
BLL11:20 amBillund
Aug 29
BLL6:00 amBillund
14h 37m
1 stop
SEA11:37 amSeattle/Tacoma Intl
$554
Air France
Sep 7
SEA5:45 pmSeattle/Tacoma Intl
32h 15m
1 stop
BLL11:00 amBillund
Sep 14
BLL2:20 pmBillund
30h 27m
1 stop
SEA11:47 amSeattle/Tacoma Intl
$603

British Airways flights from State of Washington to Billund

Our best British Airways deals on State of Washington to Billund flight tickets
British Airways
Jan 31
SEA6:45 pmSeattle/Tacoma Intl
16h 00m
1 stop
BLL7:45 pmBillund
Feb 4
BLL1:00 pmBillund
12h 50m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$786
British Airways
Dec 4
PDX5:45 pmPortland
33h 45m
1 stop
BLL12:30 pmBillund
Dec 8
BLL7:40 pmBillund
29h 10m
1 stop
PDX3:50 pmPortland
$834
British Airways
Sep 30
PDX7:30 pmPortland
33h 25m
1 stop
BLL1:55 pmBillund
Dec 30
BLL1:20 pmBillund
43h 00m
2 stops
PDX11:20 pmPortland
$966

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 11, 2026.
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

Cheapest round-trip

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Sun 8/23

1:30 pm-11:20 am

1 stop12h 50m

Billund

Thu 9/3

6:40 am-5:43 pm

1 stop20h 03m

$497

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Tue 10/6

1:30 pm-11:20 am

1 stop12h 50m

Billund

Tue 10/20

10:15 am-4:35 pm

1 stop15h 20m

$497

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Tue 10/6

7:15 am-11:20 am

2 stops19h 05m

Billund

Tue 10/20

6:40 am-5:47 pm

1 stop20h 07m

$502

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Tue 10/6

7:15 am-10:25 am

2 stops18h 10m

Billund

Tue 10/20

6:40 am-5:47 pm

1 stop20h 07m

$503

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Sun 8/23

1:50 pm-1:30 pm

1 stop14h 40m

Billund

Sun 8/30

6:40 am-5:34 pm

1 stop19h 54m

$509

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Sun 8/23

1:50 pm-1:30 pm

1 stop14h 40m

Billund

Thu 9/3

11:45 am-4:35 pm

1 stop13h 50m

$509

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Tue 10/6

1:45 pm-5:55 pm

1 stop19h 10m

Billund

Tue 10/20

11:45 am-4:35 pm

1 stop13h 50m

$509
Quickest round-trip

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Sat 8/22

1:30 pm-11:20 am

1 stop12h 50m

Billund

Mon 8/31

6:00 am-11:37 am

1 stop14h 37m

$554

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Sat 8/22

1:30 pm-11:20 am

1 stop12h 50m

Billund

Sun 8/30

6:00 am-11:37 am

1 stop14h 37m

$554

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Fri 8/21

6:40 pm-10:25 pm

1 stop18h 45m

Billund

Mon 8/31

6:00 am-4:27 pm

1 stop19h 27m

$574

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 month to fly to Billund?

In general, April is the cheapest month to fly from State of Washington to Billund. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Billund during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $473.

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

Fastest flight time

12h 50m

Direct flights

None
The fastest flight from State of Washington to Billund takes 12h 50m
There are no direct flights from State of Washington to Billund. There are no popular flight routes from State of Washington to Billund.
Search flight deals

Frequently asked questions about flying from Washington to Billund

  • 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 $421Free CancellationRating
7.8
8,506 reviews
Search Delta flights
Air FrancePriceFrom $500Free CancellationRating
7.5
1,641 reviews
Search Air France flights

Traveling to a place near Billund?

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

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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