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Cheap flights from Seattle to Billund from $303

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 8/21. 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
6:50 pm - 10:25 pm
SEA
-
BLL
18h 35m
1 stop
Air France Logo
6:40 am - 11:15 am
BLL
-
SEA
13h 35m
1 stop
$674Air France
Mon, Jun 29 - Thu, Jul 9
Air France Logo
5:45 pm - 3:45 pm
SEA
-
BLL
13h 00m
1 stop
Air France Logo
6:00 am - 11:33 am
BLL
-
SEA
14h 33m
1 stop
$685Air France
Wed, Jun 24 - Wed, Jul 8
Delta Logo
6:05 am - 9:35 am
SEA
-
BLL
18h 30m
2 stops
Delta Logo
6:40 am - 11:15 am
BLL
-
SEA
13h 35m
1 stop
$690Delta
Mon, Jun 29 - Thu, Jul 9
Air France Logo
6:50 pm - 10:25 pm
SEA
-
BLL
18h 35m
1 stop
Air France Logo
6:40 am - 11:15 am
BLL
-
SEA
13h 35m
1 stop
$723Air France
Mon, Jun 29 - Thu, Jul 9
Delta Logo
6:05 am - 9:35 am
SEA
-
BLL
18h 30m
2 stops
Delta Logo
6:40 am - 11:15 am
BLL
-
SEA
13h 35m
1 stop
$739Delta
Mon, Jun 29 - Thu, Jul 9
Multiple Airlines Logo
6:50 pm - 10:25 pm
SEA
-
BLL
18h 35m
1 stop
Multiple Airlines Logo
4:15 pm - 11:37 am
BLL
-
SEA
28h 22m
1 stop
$844Multiple Airlines
Sun, Jun 21 - Sun, Jun 28
Delta Logo
5:30 am - 9:35 am
SEA
-
BLL
19h 05m
2 stops
Delta Logo
6:40 am - 11:15 am
BLL
-
SEA
13h 35m
1 stop
$861Delta
Mon, Jun 29 - Thu, Jul 9
Delta Logo
6:05 am - 9:35 am
SEA
-
BLL
18h 30m
2 stops
Delta Logo
6:00 am - 4:40 pm
BLL
-
SEA
19h 40m
2 stops
$871Delta
Mon, Jun 29 - Thu, Jul 9
Delta Logo
5:45 pm - 5:55 pm
SEA
-
BLL
15h 10m
1 stop
Delta Logo
6:00 am - 2:00 pm
BLL
-
SEA
17h 00m
2 stops
$898Delta
Wed, Jun 24 - Wed, Jul 8
Lufthansa Logo
10:45 am - 5:50 pm
SEA
-
BLL
22h 05m
2 stops
Lufthansa Logo
6:00 am - 6:32 pm
BLL
-
SEA
21h 32m
2 stops
$938Lufthansa
Wed, Jun 17 - Wed, Jun 24

Lufthansa flights from Seattle to Billund

Our best Lufthansa deals on Seattle to Billund flight tickets
Lufthansa
Jun 17
SEA10:45 amSeattle/Tacoma Intl
22h 05m
2 stops
BLL5:50 pmBillund
Jun 24
BLL6:00 amBillund
21h 32m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
$938
Lufthansa
Jun 29
SEA10:45 amSeattle/Tacoma Intl
22h 45m
2 stops
BLL6:30 pmBillund
Jul 9
BLL6:00 amBillund
19h 59m
2 stops
SEA4:59 pmSeattle/Tacoma Intl
$1,123
Lufthansa
Jun 21
SEA7:20 pmSeattle/Tacoma Intl
33h 50m
2 stops
BLL2:10 pmBillund
Jun 28
BLL6:55 pmBillund
36h 47m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$1,159

United Airlines flights from Seattle to Billund

Our best United Airlines deals on Seattle to Billund flight tickets
United Airlines
May 10
SEA10:45 amSeattle/Tacoma Intl
22h 15m
2 stops
BLL6:00 pmBillund
May 14
BLL6:00 amBillund
15h 20m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$791
United Airlines
May 10
SEA10:45 amSeattle/Tacoma Intl
22h 15m
2 stops
BLL6:00 pmBillund
May 14
BLL6:00 amBillund
28h 12m
2 stops
SEA1:12 amSeattle/Tacoma Intl
$801
United Airlines
May 15
SEA7:25 amSeattle/Tacoma Intl
25h 45m
2 stops
BLL6:10 pmBillund
May 27
BLL6:00 amBillund
15h 20m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$827

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 May 8, 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

Mon 6/29

6:50 pm-10:25 pm

1 stop18h 35m

Billund

Thu 7/9

6:40 am-11:15 am

1 stop13h 35m

$674
Quickest round-trip

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 6/24

5:45 pm-3:45 pm

1 stop13h 00m

Billund

Wed 7/8

6:00 am-11:33 am

1 stop14h 33m

$685

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 6/29

6:05 am-9:35 am

2 stops18h 30m

Billund

Thu 7/9

6:40 am-11:15 am

1 stop13h 35m

$690

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 6/29

6:50 pm-10:25 pm

1 stop18h 35m

Billund

Thu 7/9

6:40 am-11:15 am

1 stop13h 35m

$723

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 6/29

6:05 am-9:35 am

2 stops18h 30m

Billund

Thu 7/9

6:40 am-11:15 am

1 stop13h 35m

$739

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 6/21

6:50 pm-10:25 pm

1 stop18h 35m

Billund

Sun 6/28

4:15 pm-11:37 am

1 stop28h 22m

$844

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 6/29

5:30 am-9:35 am

2 stops19h 05m

Billund

Thu 7/9

6:40 am-11:15 am

1 stop13h 35m

$861

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 6/29

6:05 am-9:35 am

2 stops18h 30m

Billund

Thu 7/9

6:00 am-4:40 pm

2 stops19h 40m

$871

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 6/24

5:45 pm-5:55 pm

1 stop15h 10m

Billund

Wed 7/8

6:00 am-2:00 pm

2 stops17h 00m

$898

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 6/17

10:45 am-5:50 pm

2 stops22h 05m

Billund

Wed 6/24

6:00 am-6:32 pm

2 stops21h 32m

$938

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Seattle and Billund?

What is the cheapest month to fly to Billund?

In general, February 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 $473. If you aren’t able to travel to Billund during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $597.

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

18h 15m

Direct flights

None
The fastest flight from Seattle to Billund takes 18h 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 18h 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
Air FrancePriceFrom $332Free CancellationRating
7.4
1,585 reviews
Search Air France flights
DeltaPriceFrom $421Free CancellationRating
7.9
8,456 reviews
Search Delta flights
LufthansaPriceFrom $597Free CancellationRating
6.8
7,979 reviews
Search Lufthansa flights

Traveling to a place near Billund?

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