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Cheap flights from Seattle to Billund from $322

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 10/2. 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.
Air France Logo
5:45 pm - 3:30 pm
SEA
-
BLL
12h 45m
1 stop
Air France Logo
6:00 am - 11:47 am
BLL
-
SEA
14h 47m
1 stop
$539Air France
Wed, Aug 26 - Wed, Sep 2
Delta Logo
7:15 am - 9:35 am
SEA
-
BLL
17h 20m
2 stops
Delta Logo
6:40 am - 5:43 pm
BLL
-
SEA
20h 03m
1 stop
$543Delta
Thu, Aug 27 - Thu, Sep 3
Delta Logo
11:55 am - 2:25 pm
SEA
-
BLL
18h 30m
2 stops
Delta Logo
7:05 am - 1:50 pm
BLL
-
SEA
15h 45m
1 stop
$587Delta
Thu, Oct 29 - Sat, Nov 7
Air France Logo
3:25 pm - 1:45 pm
SEA
-
BLL
14h 20m
1 stop
Air France Logo
6:00 am - 11:47 am
BLL
-
SEA
14h 47m
1 stop
$593Air France
Thu, Oct 29 - Sat, Nov 7
Delta Logo
11:55 am - 2:25 pm
SEA
-
BLL
18h 30m
2 stops
Delta Logo
10:30 am - 6:59 pm
BLL
-
SEA
17h 29m
2 stops
$597Delta
Thu, Oct 29 - Sat, Nov 7
KLM Logo
1:50 pm - 11:00 am
SEA
-
BLL
12h 10m
1 stop
KLM Logo
6:00 am - 4:27 pm
BLL
-
SEA
19h 27m
1 stop
$609KLM
Thu, Aug 13 - Wed, Aug 19
Delta Logo
1:50 pm - 1:30 pm
SEA
-
BLL
14h 40m
1 stop
Delta Logo
11:45 am - 11:11 pm
BLL
-
SEA
20h 26m
2 stops
$620Delta
Thu, Aug 13 - Wed, Aug 19
Scandinavian Airlines Logo
3:55 pm - 3:05 pm
SEA
-
BLL
14h 10m
1 stop
Scandinavian Airlines Logo
6:00 am - 1:45 pm
BLL
-
SEA
16h 45m
1 stop
$622Scandinavian Airlines
Fri, Aug 28 - Fri, Sep 4
Delta Logo
7:15 am - 9:35 am
SEA
-
BLL
17h 20m
2 stops
Delta Logo
6:40 am - 4:54 pm
BLL
-
SEA
19h 14m
2 stops
$634Delta
Thu, Aug 27 - Thu, Sep 3
Scandinavian Airlines Logo
3:55 pm - 3:05 pm
SEA
-
BLL
14h 10m
1 stop
Scandinavian Airlines Logo
9:05 pm - 1:45 pm
BLL
-
SEA
25h 40m
1 stop
$645Scandinavian Airlines
Fri, Aug 28 - Thu, Sep 3

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United Airlines flights from Seattle to Billund

Our best United Airlines deals on Seattle to Billund flight tickets
United Airlines
Dec 2
SEA7:00 amSeattle/Tacoma Intl
17h 55m
2 stops
BLL9:55 amBillund
Dec 6
BLL6:35 amBillund
14h 25m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
$761
United Airlines
Dec 2
SEA7:00 amSeattle/Tacoma Intl
17h 55m
2 stops
BLL9:55 amBillund
Dec 6
BLL6:35 amBillund
14h 25m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
$762
United Airlines
Dec 2
SEA10:40 pmSeattle/Tacoma Intl
26h 15m
2 stops
BLL9:55 amBillund
Dec 6
BLL6:35 amBillund
25h 46m
3 stops
SEA11:21 pmSeattle/Tacoma Intl
$771

Scandinavian Airlines flights from Seattle to Billund

Our best Scandinavian Airlines deals on Seattle to Billund flight tickets
Scandinavian Airlines
Aug 28
SEA3:55 pmSeattle/Tacoma Intl
14h 10m
1 stop
BLL3:05 pmBillund
Sep 4
BLL6:00 amBillund
16h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$622
Scandinavian Airlines
Aug 28
SEA3:55 pmSeattle/Tacoma Intl
14h 10m
1 stop
BLL3:05 pmBillund
Sep 3
BLL9:05 pmBillund
25h 40m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$645
Scandinavian Airlines
Dec 2
SEA11:10 amSeattle/Tacoma Intl
38h 15m
2 stops
BLL10:25 amBillund
Dec 6
BLL3:40 pmBillund
39h 32m
2 stops
SEA10:12 pmSeattle/Tacoma Intl
$710

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 20, 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
Quickest round-trip

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 8/26

5:45 pm-3:30 pm

1 stop12h 45m

Billund

Wed 9/2

6:00 am-11:47 am

1 stop14h 47m

$539

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 8/27

7:15 am-9:35 am

2 stops17h 20m

Billund

Thu 9/3

6:40 am-5:43 pm

1 stop20h 03m

$543

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 10/29

11:55 am-2:25 pm

2 stops18h 30m

Billund

Sat 11/7

7:05 am-1:50 pm

1 stop15h 45m

$587

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 10/29

3:25 pm-1:45 pm

1 stop14h 20m

Billund

Sat 11/7

6:00 am-11:47 am

1 stop14h 47m

$593

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 10/29

11:55 am-2:25 pm

2 stops18h 30m

Billund

Sat 11/7

10:30 am-6:59 pm

2 stops17h 29m

$597

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 8/13

1:50 pm-11:00 am

1 stop12h 10m

Billund

Wed 8/19

6:00 am-4:27 pm

1 stop19h 27m

$609

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 8/13

1:50 pm-1:30 pm

1 stop14h 40m

Billund

Wed 8/19

11:45 am-11:11 pm

2 stops20h 26m

$620

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 8/28

3:55 pm-3:05 pm

1 stop14h 10m

Billund

Fri 9/4

6:00 am-1:45 pm

1 stop16h 45m

$622

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 8/27

7:15 am-9:35 am

2 stops17h 20m

Billund

Thu 9/3

6:40 am-4:54 pm

2 stops19h 14m

$634

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 8/28

3:55 pm-3:05 pm

1 stop14h 10m

Billund

Thu 9/3

9:05 pm-1:45 pm

1 stop25h 40m

$645

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

17h 20m

Direct flights

None
The fastest flight from Seattle to Billund takes 17h 20m
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 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
7.8
8,476 reviews
Search Delta flights
Air FrancePriceFrom $500Free CancellationRating
7.5
1,627 reviews
Search Air France 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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