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Cheap flights from Seattle to Billund from $339

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 8/4. 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 Seattle to Billund

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
3:55 pm - 6:40 pm
SEA
-
BLL
17h 45m
2 stops
Scandinavian Airlines Logo
8:20 pm - 1:45 pm
BLL
-
SEA
50h 25m
2 stops
$554Scandinavian Airlines
Sun, Aug 23 - Sun, Aug 30
Scandinavian Airlines Logo
3:55 pm - 3:05 pm
SEA
-
BLL
14h 10m
1 stop
Scandinavian Airlines Logo
8:20 pm - 1:45 pm
BLL
-
SEA
50h 25m
2 stops
$557Scandinavian Airlines
Sun, Aug 23 - Sun, Aug 30
Icelandair Logo
11:25 pm - 9:10 pm
SEA
-
BLL
12h 45m
1 stop
Icelandair Logo
10:35 pm - 8:40 pm
BLL
-
SEA
31h 05m
1 stop
$559Icelandair
Sat, Aug 15 - Fri, Aug 21
Scandinavian Airlines Logo
3:55 pm - 3:05 pm
SEA
-
BLL
14h 10m
1 stop
Scandinavian Airlines Logo
10:35 am - 1:45 pm
BLL
-
SEA
12h 10m
1 stop
$610Scandinavian Airlines
Sun, Aug 23 - Sun, Aug 30
Air France Logo
6:40 pm - 10:25 pm
SEA
-
BLL
18h 45m
1 stop
Air France Logo
4:00 pm - 11:37 am
BLL
-
SEA
28h 37m
1 stop
$662Air France
Sun, Aug 2 - Sun, Aug 9
Delta Logo
5:45 pm - 9:35 am
SEA
-
BLL
30h 50m
1 stop
Delta Logo
6:00 am - 2:00 pm
BLL
-
SEA
17h 00m
2 stops
$683Delta
Sat, Aug 15 - Fri, Aug 21
Delta Logo
1:50 pm - 1:30 pm
SEA
-
BLL
14h 40m
1 stop
Delta Logo
10:15 am - 8:46 pm
BLL
-
SEA
19h 31m
2 stops
$715Delta
Mon, Aug 3 - Sun, Aug 9
Multiple Airlines Logo
8:00 am - 7:00 pm
SEA
-
BLL
26h 00m
3 stops
Multiple Airlines Logo
2:10 pm - 11:55 am
BLL
-
SEA
30h 45m
2 stops
$749Multiple Airlines
Sun, Aug 23 - Sun, Aug 30
United Airlines Logo
11:59 pm - 6:20 pm
SEA
-
BLL
33h 21m
2 stops
United Airlines Logo
6:35 am - 12:00 pm
BLL
-
SEA
14h 25m
1 stop
$761United Airlines
Mon, Dec 7 - Mon, Dec 14
Air France Logo
6:40 pm - 10:25 pm
SEA
-
BLL
18h 45m
1 stop
Air France Logo
2:20 pm - 11:37 am
BLL
-
SEA
30h 17m
1 stop
$762Air France
Mon, Aug 3 - Thu, Aug 6

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Scandinavian Airlines flights from Seattle to Billund

Our best Scandinavian Airlines deals on Seattle to Billund flight tickets
Scandinavian Airlines
Aug 23
SEA3:55 pmSeattle/Tacoma Intl
17h 45m
2 stops
BLL6:40 pmBillund
Aug 30
BLL8:20 pmBillund
50h 25m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$554
Scandinavian Airlines
Aug 23
SEA3:55 pmSeattle/Tacoma Intl
14h 10m
1 stop
BLL3:05 pmBillund
Aug 30
BLL8:20 pmBillund
50h 25m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$557
Scandinavian Airlines
Aug 23
SEA3:55 pmSeattle/Tacoma Intl
14h 10m
1 stop
BLL3:05 pmBillund
Aug 30
BLL10:35 amBillund
12h 10m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$610

United Airlines flights from Seattle to Billund

Our best United Airlines deals on Seattle to Billund flight tickets
United Airlines
Dec 7
SEA11:59 pmSeattle/Tacoma Intl
33h 21m
2 stops
BLL6:20 pmBillund
Dec 14
BLL6:35 amBillund
14h 25m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
$761
United Airlines
Aug 19
SEA2:10 pmSeattle/Tacoma Intl
15h 00m
1 stop
BLL2:10 pmBillund
Aug 26
BLL6:00 amBillund
21h 29m
2 stops
SEA6:29 pmSeattle/Tacoma Intl
$767
United Airlines
Dec 7
SEA8:00 amSeattle/Tacoma Intl
16h 55m
2 stops
BLL9:55 amBillund
Dec 14
BLL6:35 amBillund
39h 10m
3 stops
SEA12:45 pmSeattle/Tacoma Intl
$769

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 July 9, 2026.
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

Cheapest round-trip

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 8/23

3:55 pm-6:40 pm

2 stops17h 45m

Billund

Sun 8/30

8:20 pm-1:45 pm

2 stops50h 25m

$554

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 8/23

3:55 pm-3:05 pm

1 stop14h 10m

Billund

Sun 8/30

8:20 pm-1:45 pm

2 stops50h 25m

$557

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sat 8/15

11:25 pm-9:10 pm

1 stop12h 45m

Billund

Fri 8/21

10:35 pm-8:40 pm

1 stop31h 05m

$559
Quickest round-trip

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 8/23

3:55 pm-3:05 pm

1 stop14h 10m

Billund

Sun 8/30

10:35 am-1:45 pm

1 stop12h 10m

$610

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 8/2

6:40 pm-10:25 pm

1 stop18h 45m

Billund

Sun 8/9

4:00 pm-11:37 am

1 stop28h 37m

$662

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sat 8/15

5:45 pm-9:35 am

1 stop30h 50m

Billund

Fri 8/21

6:00 am-2:00 pm

2 stops17h 00m

$683

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 8/3

1:50 pm-1:30 pm

1 stop14h 40m

Billund

Sun 8/9

10:15 am-8:46 pm

2 stops19h 31m

$715

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 8/23

8:00 am-7:00 pm

3 stops26h 00m

Billund

Sun 8/30

2:10 pm-11:55 am

2 stops30h 45m

$749

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 12/7

11:59 pm-6:20 pm

2 stops33h 21m

Billund

Mon 12/14

6:35 am-12:00 pm

1 stop14h 25m

$761

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 8/3

6:40 pm-10:25 pm

1 stop18h 45m

Billund

Thu 8/6

2:20 pm-11:37 am

1 stop30h 17m

$762

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between Seattle and Billund?

What is the cheapest month to fly to Billund?

In general, April 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 $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.

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

Fastest flight time

25h 56m

Direct flights

None
The fastest flight from Seattle to Billund takes 25h 56m
There are no direct flights from Seattle to Billund. There are no popular flight routes from Seattle to Billund.
Search flight deals

Frequently asked questions about flying from Seattle to Billund

  • 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 25h 56m.

  • 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
7.8
8,453 reviews
Search Delta flights
Air FrancePriceFrom $500Free CancellationRating
7.5
1,625 reviews
Search Air France flights

Traveling to a place near Billund?

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

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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