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Cheap flights from Seattle to Billund from $480

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Billund departing on 4/14. 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.
Delta Logo
7:15 am - 11:20 am
SEA
-
BLL
19h 05m
2 stops
Delta Logo
6:00 am - 11:45 am
BLL
-
SEA
14h 45m
1 stop
$480Delta
Tue, Apr 14 - Fri, Apr 24
KLM Logo
5:35 pm - 10:55 am
SEA
-
BLL
32h 20m
1 stop
KLM Logo
6:00 am - 11:45 am
BLL
-
SEA
14h 45m
1 stop
$488KLM
Thu, Apr 16 - Fri, Apr 24
Delta Logo
7:15 am - 11:20 am
SEA
-
BLL
19h 05m
2 stops
Delta Logo
10:15 am - 8:43 pm
BLL
-
SEA
19h 28m
2 stops
$491Delta
Tue, Apr 14 - Fri, Apr 24
Delta Logo
10:25 pm - 9:35 am
SEA
-
BLL
26h 10m
2 stops
Delta Logo
10:15 am - 11:45 am
BLL
-
SEA
34h 30m
1 stop
$492Delta
Sun, Apr 12 - Tue, Apr 28
Delta Logo
5:35 pm - 9:35 am
SEA
-
BLL
31h 00m
1 stop
Delta Logo
6:00 am - 8:43 pm
BLL
-
SEA
23h 43m
2 stops
$498Delta
Sat, Apr 18 - Thu, Apr 23
Delta Logo
10:25 pm - 9:35 am
SEA
-
BLL
26h 10m
2 stops
Delta Logo
6:40 am - 11:51 pm
BLL
-
SEA
26h 11m
2 stops
$502Delta
Sun, Apr 12 - Mon, Apr 27
Delta Logo
10:25 pm - 9:35 am
SEA
-
BLL
26h 10m
2 stops
Delta Logo
10:15 am - 8:43 pm
BLL
-
SEA
19h 28m
2 stops
$503Delta
Sun, Apr 12 - Wed, Apr 22
British Airways Logo
8:20 pm - 9:50 am
SEA
-
BLL
28h 30m
1 stop
British Airways Logo
3:20 pm - 11:35 am
BLL
-
SEA
29h 15m
1 stop
$517British Airways
Sun, Apr 12 - Tue, Apr 28
Delta Logo
7:15 am - 9:35 am
SEA
-
BLL
17h 20m
2 stops
Delta Logo
6:40 am - 8:46 pm
BLL
-
SEA
23h 06m
2 stops
$523Delta
Thu, Apr 16 - Sun, Apr 26
Delta Logo
7:15 am - 1:30 pm
SEA
-
BLL
21h 15m
2 stops
Delta Logo
6:00 am - 8:04 pm
BLL
-
SEA
23h 04m
2 stops
$524Delta
Mon, Apr 13 - Tue, Apr 28

Delta flights from Seattle to Billund

Our best Delta deals on Seattle to Billund flight tickets
Delta
Apr 14
SEA7:15 amSeattle/Tacoma Intl
19h 05m
2 stops
BLL11:20 amBillund
Apr 24
BLL6:00 amBillund
14h 45m
1 stop
SEA11:45 amSeattle/Tacoma Intl
$480
Delta
Apr 16
SEA5:35 pmSeattle/Tacoma Intl
31h 00m
1 stop
BLL9:35 amBillund
Apr 28
BLL10:15 amBillund
34h 30m
1 stop
SEA11:45 amSeattle/Tacoma Intl
$488
Delta
Apr 14
SEA7:15 amSeattle/Tacoma Intl
19h 05m
2 stops
BLL11:20 amBillund
Apr 24
BLL10:15 amBillund
19h 28m
2 stops
SEA8:43 pmSeattle/Tacoma Intl
$491

British Airways flights from Seattle to Billund

Our best British Airways deals on Seattle to Billund flight tickets
British Airways
Apr 12
SEA8:20 pmSeattle/Tacoma Intl
28h 30m
1 stop
BLL9:50 amBillund
Apr 28
BLL3:20 pmBillund
29h 15m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$517
British Airways
Apr 14
SEA1:35 pmSeattle/Tacoma Intl
21h 15m
1 stop
BLL7:50 pmBillund
Apr 21
BLL10:40 amBillund
20h 58m
2 stops
SEA10:38 pmSeattle/Tacoma Intl
$527
British Airways
Apr 12
SEA8:20 pmSeattle/Tacoma Intl
15h 15m
1 stop
BLL8:35 pmBillund
Apr 25
BLL12:30 pmBillund
32h 05m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$567

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 March 1, 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

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 4/14

7:15 am-11:20 am

2 stops19h 05m

Billund

Fri 4/24

6:00 am-11:45 am

1 stop14h 45m

$480

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 4/16

5:35 pm-10:55 am

1 stop32h 20m

Billund

Fri 4/24

6:00 am-11:45 am

1 stop14h 45m

$488

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 4/14

7:15 am-11:20 am

2 stops19h 05m

Billund

Fri 4/24

10:15 am-8:43 pm

2 stops19h 28m

$491

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 4/12

10:25 pm-9:35 am

2 stops26h 10m

Billund

Tue 4/28

10:15 am-11:45 am

1 stop34h 30m

$492

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sat 4/18

5:35 pm-9:35 am

1 stop31h 00m

Billund

Thu 4/23

6:00 am-8:43 pm

2 stops23h 43m

$498

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 4/12

10:25 pm-9:35 am

2 stops26h 10m

Billund

Mon 4/27

6:40 am-11:51 pm

2 stops26h 11m

$502

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 4/12

10:25 pm-9:35 am

2 stops26h 10m

Billund

Wed 4/22

10:15 am-8:43 pm

2 stops19h 28m

$503

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 4/12

8:20 pm-9:50 am

1 stop28h 30m

Billund

Tue 4/28

3:20 pm-11:35 am

1 stop29h 15m

$517

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 4/16

7:15 am-9:35 am

2 stops17h 20m

Billund

Sun 4/26

6:40 am-8:46 pm

2 stops23h 06m

$523

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 4/13

7:15 am-1:30 pm

2 stops21h 15m

Billund

Tue 4/28

6:00 am-8:04 pm

2 stops23h 04m

$524

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 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 $499. 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

20h 20m

Direct flights

None
The fastest flight from Seattle to Billund takes 20h 20m
There are no direct flights from Seattle to Billund. There are no popular flight routes from Seattle to Billund.
Search flight deals

  • 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 20h 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
7.9
8,240 reviews
Search Delta flights
LufthansaPriceFrom $597Free CancellationRating
6.8
7,818 reviews
Search Lufthansa flights

Traveling to a place near Billund?

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