Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Billund from $531

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 4/13. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Billund

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:40 pm - 10:25 pm
SEA
-
BLL
18h 45m
1 stop
Multiple Airlines Logo
6:00 am - 11:45 am
BLL
-
SEA
14h 45m
1 stop
$531Multiple Airlines
Mon, Apr 13 - Fri, Apr 17
Multiple Airlines Logo
6:40 pm - 10:25 pm
SEA
-
BLL
18h 45m
1 stop
Multiple Airlines Logo
6:45 pm - 11:42 am
BLL
-
SEA
25h 57m
1 stop
$550Multiple Airlines
Fri, May 1 - Tue, May 5
Multiple Airlines Logo
1:30 pm - 10:25 pm
SEA
-
BLL
23h 55m
1 stop
Multiple Airlines Logo
6:00 am - 4:30 pm
BLL
-
SEA
19h 30m
1 stop
$552Multiple Airlines
Thu, Apr 30 - Wed, May 6
Delta Logo
5:35 pm - 5:55 pm
SEA
-
BLL
15h 20m
1 stop
Delta Logo
6:00 am - 11:42 am
BLL
-
SEA
14h 42m
1 stop
$562Delta
Thu, Apr 30 - Sun, May 3
Delta Logo
6:00 am - 9:35 am
SEA
-
BLL
18h 35m
2 stops
Delta Logo
6:00 am - 11:45 am
BLL
-
SEA
14h 45m
1 stop
$566Delta
Mon, Apr 13 - Fri, Apr 17
Delta Logo
1:50 pm - 11:00 am
SEA
-
BLL
12h 10m
1 stop
Delta Logo
12:00 pm - 10:48 pm
BLL
-
SEA
19h 48m
2 stops
$572Delta
Thu, Apr 30 - Thu, May 7
Delta Logo
11:59 pm - 9:35 am
SEA
-
BLL
24h 36m
2 stops
Delta Logo
12:00 pm - 11:51 pm
BLL
-
SEA
20h 51m
2 stops
$576Delta
Thu, Apr 30 - Sun, May 3
Delta Logo
6:00 am - 9:35 am
SEA
-
BLL
18h 35m
2 stops
Delta Logo
2:20 pm - 11:59 pm
BLL
-
SEA
18h 39m
2 stops
$577Delta
Mon, Apr 13 - Fri, Apr 17
Delta Logo
5:35 pm - 5:55 pm
SEA
-
BLL
15h 20m
1 stop
Delta Logo
11:45 am - 2:00 pm
BLL
-
SEA
35h 15m
2 stops
$603Delta
Sat, May 2 - Tue, May 5
KLM Logo
5:35 pm - 5:55 pm
SEA
-
BLL
15h 20m
1 stop
KLM Logo
6:45 pm - 11:42 am
BLL
-
SEA
25h 57m
1 stop
$641KLM
Fri, May 1 - Sun, May 3

Delta flights from Seattle to Billund

Our best Delta deals on Seattle to Billund flight tickets
Delta
Apr 30
SEA5:35 pmSeattle/Tacoma Intl
15h 20m
1 stop
BLL5:55 pmBillund
May 3
BLL6:00 amBillund
14h 42m
1 stop
SEA11:42 amSeattle/Tacoma Intl
$562
Delta
Apr 13
SEA6:00 amSeattle/Tacoma Intl
18h 35m
2 stops
BLL9:35 amBillund
Apr 17
BLL6:00 amBillund
14h 45m
1 stop
SEA11:45 amSeattle/Tacoma Intl
$566
Delta
Apr 30
SEA1:50 pmSeattle/Tacoma Intl
12h 10m
1 stop
BLL11:00 amBillund
May 7
BLL12:00 pmBillund
19h 48m
2 stops
SEA10:48 pmSeattle/Tacoma Intl
$572

United Airlines flights from Seattle to Billund

Our best United Airlines deals on Seattle to Billund flight tickets
United Airlines
May 3
SEA7:25 amSeattle/Tacoma Intl
25h 35m
2 stops
BLL6:00 pmBillund
May 6
BLL6:00 amBillund
21h 30m
2 stops
SEA6:30 pmSeattle/Tacoma Intl
$762
United Airlines
May 3
SEA2:10 pmSeattle/Tacoma Intl
15h 00m
1 stop
BLL2:10 pmBillund
May 5
BLL2:55 pmBillund
19h 17m
2 stops
SEA1:12 amSeattle/Tacoma Intl
$768
United Airlines
May 3
SEA7:00 amSeattle/Tacoma Intl
22h 10m
2 stops
BLL2:10 pmBillund
May 5
BLL2:55 pmBillund
19h 17m
2 stops
SEA1:12 amSeattle/Tacoma Intl
$772

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 2, 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 4/13

6:40 pm-10:25 pm

1 stop18h 45m

Billund

Fri 4/17

6:00 am-11:45 am

1 stop14h 45m

$531

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 5/1

6:40 pm-10:25 pm

1 stop18h 45m

Billund

Tue 5/5

6:45 pm-11:42 am

1 stop25h 57m

$550

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 4/30

1:30 pm-10:25 pm

1 stop23h 55m

Billund

Wed 5/6

6:00 am-4:30 pm

1 stop19h 30m

$552
Quickest round-trip

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 4/30

5:35 pm-5:55 pm

1 stop15h 20m

Billund

Sun 5/3

6:00 am-11:42 am

1 stop14h 42m

$562

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 4/13

6:00 am-9:35 am

2 stops18h 35m

Billund

Fri 4/17

6:00 am-11:45 am

1 stop14h 45m

$566

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 4/30

1:50 pm-11:00 am

1 stop12h 10m

Billund

Thu 5/7

12:00 pm-10:48 pm

2 stops19h 48m

$572

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 4/30

11:59 pm-9:35 am

2 stops24h 36m

Billund

Sun 5/3

12:00 pm-11:51 pm

2 stops20h 51m

$576

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 4/13

6:00 am-9:35 am

2 stops18h 35m

Billund

Fri 4/17

2:20 pm-11:59 pm

2 stops18h 39m

$577

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sat 5/2

5:35 pm-5:55 pm

1 stop15h 20m

Billund

Tue 5/5

11:45 am-2:00 pm

2 stops35h 15m

$603

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 5/1

5:35 pm-5:55 pm

1 stop15h 20m

Billund

Sun 5/3

6:45 pm-11:42 am

1 stop25h 57m

$641

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

17h 55m

Direct flights

None
The fastest flight from Seattle to Billund takes 17h 55m
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 55m.

  • 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
8,366 reviews
Search Delta flights
LufthansaPriceFrom $597Free CancellationRating
6.8
7,882 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.

An easier way to manage your Billund trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 5/2
Sat 5/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Denmark