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Cheap flights from Seattle to Billund from $520

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle 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

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Multiple Airlines Logo
2:10 pm - 11:00 pmSEA-BLL
23h 50m1 stop
Multiple Airlines Logo
6:40 pm - 11:50 amBLL-SEA
26h 10m1 stop
$520Multiple Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14
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
$525Scandinavian Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14
Delta Logo
2:10 pm - 2:35 pmSEA-BLL
15h 25m1 stop
Delta Logo
6:00 am - 7:25 pmBLL-SEA
22h 25m2 stops
$531Delta
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Wed, Jan 7 - Wed, Jan 14
Multiple Airlines Logo
3:40 pm - 1:30 pmSEA-BLL
36h 50m2 stops
Multiple Airlines Logo
6:45 am - 1:20 pmBLL-SEA
39h 35m2 stops
$573Multiple Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
United Airlines Logo
5:00 am - 1:30 pmSEA-BLL
23h 30m2 stops
United Airlines Logo
2:05 pm - 8:57 pmBLL-SEA
39h 52m2 stops
$579United Airlines
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Sun, Dec 28 - Sun, Jan 11
Multiple Airlines Logo
5:00 am - 1:30 pmSEA-BLL
23h 30m2 stops
Multiple Airlines Logo
2:05 pm - 12:10 pmBLL-SEA
31h 05m1 stop
$585Multiple Airlines
Find Deal
Sun, Dec 28 - Sun, Jan 11
Air France Logo
2:05 pm - 11:00 pmSEA-BLL
23h 55m1 stop
Air France Logo
4:15 pm - 1:25 pmBLL-SEA
30h 10m1 stop
$622Air France
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Sun, Dec 28 - Sun, Jan 11
Multiple Airlines Logo
2:00 pm - 1:20 pmSEA-BLL
14h 20m1 stop
Multiple Airlines Logo
6:45 am - 10:16 pmBLL-SEA
24h 31m2 stops
$629Multiple Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
United Airlines Logo
2:00 pm - 6:10 pmSEA-BLL
19h 10m1 stop
United Airlines Logo
6:45 am - 12:10 pmBLL-SEA
14h 25m1 stop
$644United Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
Lufthansa Logo
10:52 am - 11:10 pmSEA-BLL
27h 18m2 stops
Lufthansa Logo
2:15 pm - 12:10 pmBLL-SEA
30h 55m1 stop
$1,495Lufthansa
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Sun, Dec 21 - Mon, Jan 5

Scandinavian Airlines flights from Seattle to Billund

Our best Scandinavian Airlines deals on Seattle to Billund flight tickets
Scandinavian Airlines
Jan 7
SEA7:20 amSeattle/Tacoma Intl
31h 35m
2 stops
BLL11:55 pmBillund
Jan 14
BLL11:05 amBillund
20h 17m
2 stops
SEA10:22 pmSeattle/Tacoma Intl
$525
Find similar
Scandinavian Airlines
Dec 21
SEA1:45 pmSeattle/Tacoma Intl
22h 00m
2 stops
BLL8:45 pmBillund
Jan 5
BLL11:05 amBillund
20h 17m
2 stops
SEA10:22 pmSeattle/Tacoma Intl
$1,143
Find similar

United Airlines flights from Seattle to Billund

Our best United Airlines deals on Seattle to Billund flight tickets
United Airlines
Dec 28
SEA5:00 amSeattle/Tacoma Intl
23h 30m
2 stops
BLL1:30 pmBillund
Jan 11
BLL2:05 pmBillund
39h 52m
2 stops
SEA8:57 pmSeattle/Tacoma Intl
$579
Find similar
United Airlines
Nov 29
SEA2:00 pmSeattle/Tacoma Intl
19h 10m
1 stop
BLL6:10 pmBillund
Dec 6
BLL6:45 amBillund
14h 25m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$644
Find similar
United Airlines
Nov 29
SEA2:00 pmSeattle/Tacoma Intl
14h 20m
1 stop
BLL1:20 pmBillund
Dec 6
BLL6:45 amBillund
24h 31m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$651
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 October 16, 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

Wed 1/7

2:10 pm-11:00 pm

1 stop23h 50m

Billund

Wed 1/14

6:40 pm-11:50 am

1 stop26h 10m

$520

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

$525

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 1/7

2:10 pm-2:35 pm

1 stop15h 25m

Billund

Wed 1/14

6:00 am-7:25 pm

2 stops22h 25m

$531

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sat 11/29

3:40 pm-1:30 pm

2 stops36h 50m

Billund

Sat 12/6

6:45 am-1:20 pm

2 stops39h 35m

$573

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 12/28

5:00 am-1:30 pm

2 stops23h 30m

Billund

Sun 1/11

2:05 pm-8:57 pm

2 stops39h 52m

$579

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 12/28

5:00 am-1:30 pm

2 stops23h 30m

Billund

Sun 1/11

2:05 pm-12:10 pm

1 stop31h 05m

$585

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 12/28

2:05 pm-11:00 pm

1 stop23h 55m

Billund

Sun 1/11

4:15 pm-1:25 pm

1 stop30h 10m

$622

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sat 11/29

2:00 pm-1:20 pm

1 stop14h 20m

Billund

Sat 12/6

6:45 am-10:16 pm

2 stops24h 31m

$629

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sat 11/29

2:00 pm-6:10 pm

1 stop19h 10m

Billund

Sat 12/6

6:45 am-12:10 pm

1 stop14h 25m

$644

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 12/21

10:52 am-11:10 pm

2 stops27h 18m

Billund

Mon 1/5

2:15 pm-12:10 pm

1 stop30h 55m

$1,495

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Billund from

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 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.
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  • 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 14h 20m.

  • 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
7,979 reviews
Search Delta flights
KLMPriceFrom $582Free CancellationRating
7.7
1,402 reviews
Search KLM flights
LufthansaPriceFrom $597Free CancellationRating
6.8
7,491 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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