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Cheap flights from Seattle to Billund from $291

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 5/18. 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

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.
KLM Logo
5:35 pm - 1:40 pm
SEA
-
BLL
35h 05m
1 stop
KLM Logo
6:45 pm - 11:42 am
BLL
-
SEA
25h 57m
1 stop
$564KLM
Thu, Apr 30 - Mon, May 4
Delta Logo
7:15 am - 11:00 am
SEA
-
BLL
18h 45m
2 stops
Delta Logo
6:00 am - 11:42 am
BLL
-
SEA
14h 42m
1 stop
$568Delta
Thu, Apr 30 - Mon, May 4
Delta Logo
7:15 am - 11:00 am
SEA
-
BLL
18h 45m
2 stops
Delta Logo
11:45 am - 10:05 pm
BLL
-
SEA
19h 20m
2 stops
$578Delta
Thu, Apr 30 - Wed, May 6
Delta Logo
7:15 am - 11:00 am
SEA
-
BLL
18h 45m
2 stops
Delta Logo
6:00 am - 5:16 pm
BLL
-
SEA
20h 16m
2 stops
$695Delta
Thu, Apr 30 - Mon, May 4
Scandinavian Airlines Logo
3:55 pm - 8:35 pm
SEA
-
BLL
19h 40m
1 stop
Scandinavian Airlines Logo
11:00 am - 1:45 pm
BLL
-
SEA
11h 45m
1 stop
$726Scandinavian Airlines
Tue, Jun 9 - Tue, Jun 16
United Airlines Logo
2:55 pm - 2:10 pm
SEA
-
BLL
38h 15m
2 stops
United Airlines Logo
3:00 pm - 1:12 am
BLL
-
SEA
19h 12m
2 stops
$770United Airlines
Tue, May 5 - Sat, May 9
Air France Logo
1:30 pm - 4:25 pm
SEA
-
BLL
17h 55m
1 stop
Air France Logo
6:00 am - 4:20 pm
BLL
-
SEA
19h 20m
1 stop
$771Air France
Mon, Jun 29 - Thu, Jul 9
United Airlines Logo
2:10 pm - 5:55 pm
SEA
-
BLL
18h 45m
1 stop
United Airlines Logo
10:35 am - 12:20 pm
BLL
-
SEA
34h 45m
1 stop
$780United Airlines
Tue, May 5 - Sat, May 9
Scandinavian Airlines Logo
3:55 pm - 9:05 am
SEA
-
BLL
32h 10m
2 stops
Scandinavian Airlines Logo
11:00 am - 1:45 pm
BLL
-
SEA
11h 45m
1 stop
$781Scandinavian Airlines
Tue, Jun 9 - Tue, Jun 16
Delta Logo
9:05 am - 11:20 am
SEA
-
BLL
17h 15m
2 stops
Delta Logo
6:40 am - 5:27 pm
BLL
-
SEA
19h 47m
1 stop
$783Delta
Mon, Jun 29 - Thu, Jul 9

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Delta flights from Seattle to Billund

Our best Delta deals on Seattle to Billund flight tickets
Delta
Apr 29
SEA7:15 amSeattle/Tacoma Intl
19h 05m
2 stops
BLL11:20 amBillund
May 6
BLL6:00 amBillund
14h 42m
1 stop
SEA11:42 amSeattle/Tacoma Intl
$556
Delta
Apr 29
SEA7:15 amSeattle/Tacoma Intl
19h 05m
2 stops
BLL11:20 amBillund
May 6
BLL2:20 pmBillund
18h 39m
2 stops
SEA11:59 pmSeattle/Tacoma Intl
$567
Delta
Apr 30
SEA7:15 amSeattle/Tacoma Intl
18h 45m
2 stops
BLL11:00 amBillund
May 4
BLL6:00 amBillund
14h 42m
1 stop
SEA11:42 amSeattle/Tacoma Intl
$568

Scandinavian Airlines flights from Seattle to Billund

Our best Scandinavian Airlines deals on Seattle to Billund flight tickets
Scandinavian Airlines
Jun 9
SEA3:55 pmSeattle/Tacoma Intl
19h 40m
1 stop
BLL8:35 pmBillund
Jun 16
BLL11:00 amBillund
11h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$726
Scandinavian Airlines
Jun 9
SEA3:55 pmSeattle/Tacoma Intl
32h 10m
2 stops
BLL9:05 amBillund
Jun 16
BLL11:00 amBillund
11h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$781
Scandinavian Airlines
Jun 12
SEA3:55 pmSeattle/Tacoma Intl
14h 10m
1 stop
BLL3:05 pmBillund
Jul 4
BLL6:25 amBillund
16h 20m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$1,210

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 April 28, 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

Thu 4/30

5:35 pm-1:40 pm

1 stop35h 05m

Billund

Mon 5/4

6:45 pm-11:42 am

1 stop25h 57m

$564

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 4/30

7:15 am-11:00 am

2 stops18h 45m

Billund

Mon 5/4

6:00 am-11:42 am

1 stop14h 42m

$568

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 4/30

7:15 am-11:00 am

2 stops18h 45m

Billund

Wed 5/6

11:45 am-10:05 pm

2 stops19h 20m

$578

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 4/30

7:15 am-11:00 am

2 stops18h 45m

Billund

Mon 5/4

6:00 am-5:16 pm

2 stops20h 16m

$695
Quickest round-trip

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 6/9

3:55 pm-8:35 pm

1 stop19h 40m

Billund

Tue 6/16

11:00 am-1:45 pm

1 stop11h 45m

$726

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 5/5

2:55 pm-2:10 pm

2 stops38h 15m

Billund

Sat 5/9

3:00 pm-1:12 am

2 stops19h 12m

$770

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 6/29

1:30 pm-4:25 pm

1 stop17h 55m

Billund

Thu 7/9

6:00 am-4:20 pm

1 stop19h 20m

$771

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 5/5

2:10 pm-5:55 pm

1 stop18h 45m

Billund

Sat 5/9

10:35 am-12:20 pm

1 stop34h 45m

$780

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 6/9

3:55 pm-9:05 am

2 stops32h 10m

Billund

Tue 6/16

11:00 am-1:45 pm

1 stop11h 45m

$781

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 6/29

9:05 am-11:20 am

2 stops17h 15m

Billund

Thu 7/9

6:40 am-5:27 pm

1 stop19h 47m

$783

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, 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

17h 15m

Direct flights

None
The fastest flight from Seattle to Billund takes 17h 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 17h 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
1,580 reviews
Search Air France flights
DeltaPriceFrom $421Free CancellationRating
7.9
8,464 reviews
Search Delta flights
LufthansaPriceFrom $597Free CancellationRating
6.8
7,956 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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