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Cheap flights from Seattle to Billund from $431

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Billund departing on 11/30. 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 Seattle to Billund

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air France Logo
1:40 pm - 2:35 pmSEA-BLL
15h 55m1 stop
Air France Logo
2:30 pm - 11:50 amBLL-SEA
30h 20m1 stop
$519Air France
Find Deal
Tue, Dec 9 - Mon, Dec 15
Scandinavian Airlines Logo
11:15 am - 3:05 pmSEA-BLL
18h 50m2 stops
Scandinavian Airlines Logo
11:05 am - 7:00 pmBLL-SEA
16h 55m2 stops
$520Scandinavian Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15
Multiple Airlines Logo
3:10 pm - 11:10 pmSEA-BLL
23h 00m2 stops
Multiple Airlines Logo
6:30 am - 7:16 pmBLL-SEA
21h 46m2 stops
$526Multiple Airlines
Find Deal
Sun, Nov 30 - Sun, Dec 7
Air France Logo
3:05 pm - 1:50 pmSEA-BLL
13h 45m1 stop
Air France Logo
6:00 am - 11:50 amBLL-SEA
14h 50m1 stop
$527Air France
Find Deal
Mon, Dec 8 - Tue, Dec 16
Delta Logo
1:40 pm - 2:35 pmSEA-BLL
15h 55m1 stop
Delta Logo
10:25 am - 10:25 pmBLL-SEA
21h 00m2 stops
$529Delta
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Tue, Dec 9 - Mon, Dec 15
Delta Logo
11:50 am - 2:35 pmSEA-BLL
17h 45m2 stops
Delta Logo
6:00 am - 4:21 pmBLL-SEA
19h 21m2 stops
$534Delta
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Tue, Dec 9 - Tue, Dec 16
Lufthansa Logo
3:10 pm - 11:10 pmSEA-BLL
23h 00m2 stops
Lufthansa Logo
6:55 pm - 12:10 pmBLL-SEA
26h 15m1 stop
$569Lufthansa
Find Deal
Sun, Nov 30 - Sun, Dec 7
Lufthansa Logo
1:40 pm - 9:45 amSEA-BLL
35h 05m2 stops
Lufthansa Logo
6:30 am - 10:28 pmBLL-SEA
24h 58m2 stops
$643Lufthansa
Find Deal
Wed, Dec 10 - Tue, Dec 16
Multiple Airlines Logo
3:00 pm - 5:50 pmSEA-BLL
17h 50m1 stop
Multiple Airlines Logo
12:05 pm - 11:50 amBLL-SEA
32h 45m1 stop
$652Multiple Airlines
Find Deal
Sun, Nov 30 - Sun, Dec 7
KLM Logo
3:05 pm - 1:50 pmSEA-BLL
13h 45m1 stop
KLM Logo
6:00 am - 11:50 amBLL-SEA
14h 50m1 stop
$817KLM
Find Deal
Mon, Dec 8 - Wed, Dec 17

Air France flights from Seattle to Billund

Our best Air France deals on Seattle to Billund flight tickets
Air France
Dec 9
SEA1:40 pmSeattle/Tacoma Intl
15h 55m
1 stop
BLL2:35 pmBillund
Dec 15
BLL2:30 pmBillund
30h 20m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$519
Find similar
Air France
Dec 8
SEA3:05 pmSeattle/Tacoma Intl
13h 45m
1 stop
BLL1:50 pmBillund
Dec 16
BLL6:00 amBillund
14h 50m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$527
Find similar
Air France
Dec 9
SEA1:40 pmSeattle/Tacoma Intl
15h 55m
1 stop
BLL2:35 pmBillund
Dec 17
BLL10:25 amBillund
34h 25m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$809
Find similar

Scandinavian Airlines flights from Seattle to Billund

Our best Scandinavian Airlines deals on Seattle to Billund flight tickets
Scandinavian Airlines
Dec 8
SEA11:15 amSeattle/Tacoma Intl
18h 50m
2 stops
BLL3:05 pmBillund
Dec 15
BLL11:05 amBillund
16h 55m
2 stops
SEA7:00 pmSeattle/Tacoma Intl
$520
Find similar
Scandinavian Airlines
Dec 16
SEA4:48 pmSeattle/Tacoma Intl
22h 07m
2 stops
BLL11:55 pmBillund
Dec 26
BLL7:20 pmBillund
28h 38m
2 stops
SEA2:58 pmSeattle/Tacoma Intl
$1,163
Find similar
Scandinavian Airlines
Dec 16
SEA4:48 pmSeattle/Tacoma Intl
22h 07m
2 stops
BLL11:55 pmBillund
Dec 27
BLL8:30 amBillund
39h 28m
2 stops
SEA2:58 pmSeattle/Tacoma Intl
$1,173
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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 November 4, 2025.
Use the filters below to find and compare flights from Seattle to Billund that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 12/9

1:40 pm-2:35 pm

1 stop15h 55m

Billund

Mon 12/15

2:30 pm-11:50 am

1 stop30h 20m

$519

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 12/8

11:15 am-3:05 pm

2 stops18h 50m

Billund

Mon 12/15

11:05 am-7:00 pm

2 stops16h 55m

$520

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 11/30

3:10 pm-11:10 pm

2 stops23h 00m

Billund

Sun 12/7

6:30 am-7:16 pm

2 stops21h 46m

$526

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 12/8

3:05 pm-1:50 pm

1 stop13h 45m

Billund

Tue 12/16

6:00 am-11:50 am

1 stop14h 50m

$527

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 12/9

1:40 pm-2:35 pm

1 stop15h 55m

Billund

Mon 12/15

10:25 am-10:25 pm

2 stops21h 00m

$529

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 12/9

11:50 am-2:35 pm

2 stops17h 45m

Billund

Tue 12/16

6:00 am-4:21 pm

2 stops19h 21m

$534

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 11/30

3:10 pm-11:10 pm

2 stops23h 00m

Billund

Sun 12/7

6:55 pm-12:10 pm

1 stop26h 15m

$569

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 12/10

1:40 pm-9:45 am

2 stops35h 05m

Billund

Tue 12/16

6:30 am-10:28 pm

2 stops24h 58m

$643

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 11/30

3:00 pm-5:50 pm

1 stop17h 50m

Billund

Sun 12/7

12:05 pm-11:50 am

1 stop32h 45m

$652

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 12/8

3:05 pm-1:50 pm

1 stop13h 45m

Billund

Wed 12/17

6:00 am-11:50 am

1 stop14h 50m

$817

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Seattle 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, March is the cheapest month to fly from Seattle to Billund. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $590. If you aren’t able to travel to Billund during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $597.

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

The cheapest day to depart from Seattle 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 Seattle 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 Seattle 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.

When to book flights from Seattle to Billund

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Billund according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Billund (SEA to BLL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Billund

Direct flights

None
There are no direct flights from Seattle to Billund. There are no popular flight routes from Seattle to Billund.
Search flight deals

  • How far is Seattle/Tacoma Intl to Billund by plane?

    The distance between Seattle/Tacoma Intl and Billund is about 4761.2 mi. By plane, this route typically takes 13h 45m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Billund Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Billund Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Billund Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Billund Airport?

    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 Seattle/Tacoma Intl Airport to Billund Airport.

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

    The travel and health documents required for your trip to Billund Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Billund Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Seattle to Billund?

Best airlines flying from Seattle to Billund

Compare and see reviews for airlines that fly from Seattle to Billund with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $421Free CancellationRating
7.9
8,002 reviews
Search Delta flights
KLMPriceFrom $582Free CancellationRating
7.7
1,405 reviews
Search KLM flights
LufthansaPriceFrom $597Free CancellationRating
6.8
7,547 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 Seattle to Billund?

Finding the right flight to Billund from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Billund quick and easy, saving you time and money.

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

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

How can momondo help me find flights from Seattle 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 Seattle.

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

Yes momondo offers price alerts on flights to Billund from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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