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Cheap flights from Washington to Billund from $493

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 1/7. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:20 am - 11:55 pmSEA-BLL
31h 35m2 stops
Scandinavian Airlines Logo
11:05 am - 10:22 pmBLL-SEA
20h 17m2 stops
$493Scandinavian Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14
Scandinavian Airlines Logo
7:20 am - 3:05 pmSEA-BLL
22h 45m2 stops
Scandinavian Airlines Logo
11:05 am - 10:16 pmBLL-SEA
20h 11m2 stops
$515Scandinavian Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14
Multiple Airlines Logo
2:10 pm - 2:35 pmSEA-BLL
15h 25m1 stop
Multiple Airlines Logo
12:05 pm - 11:50 amBLL-SEA
32h 45m1 stop
$522Multiple Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14
Scandinavian Airlines Logo
7:20 am - 9:25 amSEA-BLL
41h 05m2 stops
Scandinavian Airlines Logo
9:55 am - 8:41 pmBLL-SEA
19h 46m2 stops
$523Scandinavian Airlines
Find Deal
Fri, Jan 9 - Sat, Jan 17
Delta Logo
7:20 am - 2:35 pmSEA-BLL
22h 15m2 stops
Delta Logo
10:25 am - 11:50 amBLL-SEA
34h 25m1 stop
$526Delta
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Wed, Jan 7 - Wed, Jan 14
Air France Logo
3:10 pm - 5:50 pmSEA-BLL
17h 40m1 stop
Air France Logo
6:00 am - 11:50 amBLL-SEA
14h 50m1 stop
$530Air France
Find Deal
Tue, Jan 6 - Tue, Jan 13
Delta Logo
2:10 pm - 2:35 pmSEA-BLL
15h 25m1 stop
Delta Logo
10:25 am - 10:16 pmBLL-SEA
20h 51m2 stops
$532Delta
Find Deal
Wed, Jan 7 - Wed, Jan 14
KLM Logo
11:25 am - 1:30 pmSEA-BLL
17h 05m2 stops
KLM Logo
6:00 am - 11:50 amBLL-SEA
14h 50m1 stop
$535KLM
Find Deal
Tue, Jan 6 - Tue, Jan 13
Multiple Airlines Logo
10:05 am - 1:20 pmSEA-BLL
18h 15m2 stops
Multiple Airlines Logo
6:45 am - 12:10 pmBLL-SEA
14h 25m1 stop
$566Multiple Airlines
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Fri, Jan 9 - Sat, Jan 17
KLM Logo
1:25 pm - 1:50 pmPDX-BLL
15h 25m1 stop
KLM Logo
6:00 am - 11:25 amBLL-PDX
14h 25m1 stop
$1,484KLM
Find Deal
Sun, Dec 28 - Sun, Jan 4

Delta flights from State of Washington to Billund

Our best Delta deals on State of Washington to Billund flight tickets
Delta
Jan 7
SEA7:20 amSeattle/Tacoma Intl
22h 15m
2 stops
BLL2:35 pmBillund
Jan 14
BLL10:25 amBillund
34h 25m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$526
Find similar
Delta
Jan 7
SEA2:10 pmSeattle/Tacoma Intl
15h 25m
1 stop
BLL2:35 pmBillund
Jan 14
BLL10:25 amBillund
20h 51m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$532
Find similar
Delta
Jan 6
SEA11:25 amSeattle/Tacoma Intl
17h 05m
2 stops
BLL1:30 pmBillund
Jan 13
BLL6:00 amBillund
20h 00m
2 stops
SEA5:00 pmSeattle/Tacoma Intl
$545
Find similar

KLM flights from State of Washington to Billund

Our best KLM deals on State of Washington to Billund flight tickets
KLM
Jan 6
SEA11:25 amSeattle/Tacoma Intl
17h 05m
2 stops
BLL1:30 pmBillund
Jan 13
BLL6:00 amBillund
14h 50m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$535
Find similar
KLM
Dec 28
PDX1:25 pmPortland
15h 25m
1 stop
BLL1:50 pmBillund
Jan 4
BLL6:00 amBillund
14h 25m
1 stop
PDX11:25 amPortland
$1,484
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 October 8, 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 1/7

7:20 am-11:55 pm

2 stops31h 35m

Billund

Wed 1/14

11:05 am-10:22 pm

2 stops20h 17m

$493

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 1/7

7:20 am-3:05 pm

2 stops22h 45m

Billund

Wed 1/14

11:05 am-10:16 pm

2 stops20h 11m

$515

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 1/7

2:10 pm-2:35 pm

1 stop15h 25m

Billund

Wed 1/14

12:05 pm-11:50 am

1 stop32h 45m

$522

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 1/9

7:20 am-9:25 am

2 stops41h 05m

Billund

Sat 1/17

9:55 am-8:41 pm

2 stops19h 46m

$523

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 1/7

7:20 am-2:35 pm

2 stops22h 15m

Billund

Wed 1/14

10:25 am-11:50 am

1 stop34h 25m

$526

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 1/6

3:10 pm-5:50 pm

1 stop17h 40m

Billund

Tue 1/13

6:00 am-11:50 am

1 stop14h 50m

$530

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 1/7

2:10 pm-2:35 pm

1 stop15h 25m

Billund

Wed 1/14

10:25 am-10:16 pm

2 stops20h 51m

$532

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 1/6

11:25 am-1:30 pm

2 stops17h 05m

Billund

Tue 1/13

6:00 am-11:50 am

1 stop14h 50m

$535

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 1/9

10:05 am-1:20 pm

2 stops18h 15m

Billund

Sat 1/17

6:45 am-12:10 pm

1 stop14h 25m

$566

PortlandBillund

PDX - BLL

PDXBLL

Portland

Sun 12/28

1:25 pm-1:50 pm

1 stop15h 25m

Billund

Sun 1/4

6:00 am-11:25 am

1 stop14h 25m

$1,484

Flights are sorted by cheapest round-trip flights first.

Sorted 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 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

Direct flights

None
There are no direct flights from State of Washington to Billund. There are no popular flight routes from State of Washington to Billund.
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  • 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
7.9
7,968 reviews
Search Delta flights
KLMPriceFrom $582Free CancellationRating
7.7
1,396 reviews
Search KLM flights
LufthansaPriceFrom $597Free CancellationRating
6.8
7,461 reviews
Search Lufthansa flights

Traveling to a place near Billund?

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