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Cheap flights from Seattle to Billund from $289

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 8/16. 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.
Icelandair Logo
11:25 pm - 9:10 pm
SEA
-
BLL
12h 45m
1 stop
Icelandair Logo
10:35 pm - 11:45 am
BLL
-
SEA
22h 10m
1 stop
$583Icelandair
Sat, Aug 15 - Wed, Aug 19
Air France Logo
2:05 pm - 9:45 pm
SEA
-
BLL
22h 40m
1 stop
Air France Logo
6:00 am - 11:47 am
BLL
-
SEA
14h 47m
1 stop
$596Air France
Wed, Nov 4 - Wed, Nov 11
Delta Logo
11:05 am - 2:25 pm
SEA
-
BLL
18h 20m
2 stops
Delta Logo
6:00 am - 11:47 am
BLL
-
SEA
14h 47m
1 stop
$600Delta
Wed, Nov 4 - Wed, Nov 11
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
$605Air France
Sun, Aug 16 - Sun, Aug 23
Delta Logo
9:43 am - 2:25 pm
SEA
-
BLL
19h 42m
2 stops
Delta Logo
12:05 pm - 10:05 pm
BLL
-
SEA
19h 00m
2 stops
$610Delta
Wed, Nov 4 - Wed, Nov 11
Delta Logo
1:30 pm - 11:20 am
SEA
-
BLL
12h 50m
1 stop
Delta Logo
6:00 am - 5:00 pm
BLL
-
SEA
20h 00m
2 stops
$653Delta
Sun, Aug 16 - Sun, Aug 23
Multiple Airlines Logo
5:45 pm - 5:55 pm
SEA
-
BLL
15h 10m
1 stop
Multiple Airlines Logo
10:15 am - 4:27 pm
BLL
-
SEA
15h 12m
1 stop
$685Multiple Airlines
Sat, Aug 1 - Sat, Aug 8
Delta Logo
7:15 am - 9:35 am
SEA
-
BLL
17h 20m
2 stops
Delta Logo
11:45 am - 4:27 pm
BLL
-
SEA
13h 42m
1 stop
$689Delta
Sat, Aug 15 - Wed, Aug 19
Air France Logo
1:45 pm - 1:30 pm
SEA
-
BLL
14h 45m
1 stop
Air France Logo
4:00 pm - 11:33 am
BLL
-
SEA
28h 33m
1 stop
$698Air France
Wed, Jul 15 - Sun, Jul 19
Delta Logo
7:15 am - 9:35 am
SEA
-
BLL
17h 20m
2 stops
Delta Logo
6:00 am - 5:00 pm
BLL
-
SEA
20h 00m
2 stops
$699Delta
Sun, Aug 16 - Sun, Aug 23

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United Airlines flights from Seattle to Billund

Our best United Airlines deals on Seattle to Billund flight tickets
United Airlines
Aug 13
SEA2:10 pmSeattle/Tacoma Intl
19h 05m
1 stop
BLL6:15 pmBillund
Aug 20
BLL6:00 amBillund
17h 22m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
$756
United Airlines
Aug 13
SEA7:00 amSeattle/Tacoma Intl
18h 00m
2 stops
BLL10:00 amBillund
Aug 20
BLL6:00 amBillund
17h 22m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
$760
United Airlines
Aug 14
SEA7:00 amSeattle/Tacoma Intl
17h 50m
2 stops
BLL9:50 amBillund
Aug 21
BLL6:00 amBillund
17h 22m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
$761

Delta flights from Seattle to Billund

Our best Delta deals on Seattle to Billund flight tickets
Delta
Nov 4
SEA11:05 amSeattle/Tacoma Intl
18h 20m
2 stops
BLL2:25 pmBillund
Nov 11
BLL6:00 amBillund
14h 47m
1 stop
SEA11:47 amSeattle/Tacoma Intl
$600
Delta
Nov 4
SEA9:43 amSeattle/Tacoma Intl
19h 42m
2 stops
BLL2:25 pmBillund
Nov 11
BLL12:05 pmBillund
19h 00m
2 stops
SEA10:05 pmSeattle/Tacoma Intl
$610
Delta
Aug 15
SEA7:15 amSeattle/Tacoma Intl
18h 40m
2 stops
BLL10:55 amBillund
Aug 24
BLL6:00 amBillund
14h 37m
1 stop
SEA11:37 amSeattle/Tacoma Intl
$646

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 4, 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

Sat 8/15

11:25 pm-9:10 pm

1 stop12h 45m

Billund

Wed 8/19

10:35 pm-11:45 am

1 stop22h 10m

$583

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 11/4

2:05 pm-9:45 pm

1 stop22h 40m

Billund

Wed 11/11

6:00 am-11:47 am

1 stop14h 47m

$596

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 11/4

11:05 am-2:25 pm

2 stops18h 20m

Billund

Wed 11/11

6:00 am-11:47 am

1 stop14h 47m

$600

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 8/16

6:40 pm-10:25 pm

1 stop18h 45m

Billund

Sun 8/23

4:00 pm-11:37 am

1 stop28h 37m

$605

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 11/4

9:43 am-2:25 pm

2 stops19h 42m

Billund

Wed 11/11

12:05 pm-10:05 pm

2 stops19h 00m

$610

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 8/16

1:30 pm-11:20 am

1 stop12h 50m

Billund

Sun 8/23

6:00 am-5:00 pm

2 stops20h 00m

$653
Quickest round-trip

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sat 8/1

5:45 pm-5:55 pm

1 stop15h 10m

Billund

Sat 8/8

10:15 am-4:27 pm

1 stop15h 12m

$685

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sat 8/15

7:15 am-9:35 am

2 stops17h 20m

Billund

Wed 8/19

11:45 am-4:27 pm

1 stop13h 42m

$689

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 7/15

1:45 pm-1:30 pm

1 stop14h 45m

Billund

Sun 7/19

4:00 pm-11:33 am

1 stop28h 33m

$698

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 8/16

7:15 am-9:35 am

2 stops17h 20m

Billund

Sun 8/23

6:00 am-5:00 pm

2 stops20h 00m

$699

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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

12h 15m

Direct flights

None
The fastest flight from Seattle to Billund takes 12h 15m
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 12h 15m.

  • 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
8,454 reviews
Search Delta 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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