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Cheap flights from Seattle to Billund from $265

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 1/19. 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
1:30 pm - 11:20 amSEA  Seattle/Tacoma Intl-BLL Billund
12h 50m1 stop Paris Charles de Gaulle
Air France Logo
6:40 am - 5:43 pmBLL  Billund-SEA Seattle/Tacoma Intl
20h 03m1 stop Paris Charles de Gaulle
$497Air France
Sun, Aug 23 - Thu, Sep 3
Multiple Airlines Logo
1:30 pm - 11:20 amSEA  Seattle/Tacoma Intl-BLL Billund
12h 50m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
10:15 am - 4:35 pmBLL  Billund-SEA Seattle/Tacoma Intl
15h 20m1 stop Amsterdam Schiphol
$497Multiple Airlines
Tue, Oct 6 - Tue, Oct 20
Delta Logo
7:15 am - 11:20 amSEA  Seattle/Tacoma Intl-BLL Billund
19h 05m2 stops Chicago O'Hare Intl Paris Charles de Gaulle
Delta Logo
6:40 am - 5:47 pmBLL  Billund-SEA Seattle/Tacoma Intl
20h 07m1 stop Paris Charles de Gaulle
$502Delta
Tue, Oct 6 - Tue, Oct 20
Delta Logo
7:15 am - 10:25 amSEA  Seattle/Tacoma Intl-BLL Billund
18h 10m2 stops New York John F Kennedy Intl Kastrup Copenhagen
Delta Logo
6:40 am - 5:47 pmBLL  Billund-SEA Seattle/Tacoma Intl
20h 07m1 stop Paris Charles de Gaulle
$503Delta
Tue, Oct 6 - Tue, Oct 20
Delta Logo
1:45 pm - 5:55 pmSEA  Seattle/Tacoma Intl-BLL Billund
19h 10m1 stop Amsterdam Schiphol
Delta Logo
11:45 am - 4:35 pmBLL  Billund-SEA Seattle/Tacoma Intl
13h 50m1 stop Amsterdam Schiphol
$509Delta
Tue, Oct 6 - Tue, Oct 20
Air France Logo
1:50 pm - 1:30 pmSEA  Seattle/Tacoma Intl-BLL Billund
14h 40m1 stop Amsterdam Schiphol
Air France Logo
6:40 am - 5:34 pmBLL  Billund-SEA Seattle/Tacoma Intl
19h 54m1 stop Paris Charles de Gaulle
$509Air France
Sun, Aug 23 - Sun, Aug 30
Multiple Airlines Logo
1:50 pm - 1:30 pmSEA  Seattle/Tacoma Intl-BLL Billund
14h 40m1 stop Amsterdam Schiphol
Multiple Airlines Logo
11:45 am - 4:35 pmBLL  Billund-SEA Seattle/Tacoma Intl
13h 50m1 stop Amsterdam Schiphol
$509Multiple Airlines
Sun, Aug 23 - Thu, Sep 3
Air France Logo
1:30 pm - 11:20 amSEA  Seattle/Tacoma Intl-BLL Billund
12h 50m1 stop Paris Charles de Gaulle
Air France Logo
6:00 am - 11:37 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 37m1 stop Amsterdam Schiphol
$554Air France
Sat, Aug 22 - Mon, Aug 31
Air France Logo
1:30 pm - 11:20 amSEA  Seattle/Tacoma Intl-BLL Billund
12h 50m1 stop Paris Charles de Gaulle
Air France Logo
6:00 am - 11:37 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 37m1 stop Amsterdam Schiphol
$554Air France
Sat, Aug 22 - Sun, Aug 30
Multiple Airlines Logo
1:50 pm - 1:30 pmSEA  Seattle/Tacoma Intl-BLL Billund
14h 40m1 stop Amsterdam Schiphol
Multiple Airlines Logo
10:15 am - 11:55 pmBLL  Billund-SEA Seattle/Tacoma Intl
22h 40m2 stops Amsterdam Schiphol Minneapolis St Paul
$649Multiple Airlines
Mon, Sep 7 - Mon, Sep 14

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Air France flights from Seattle to Billund

Our best Air France deals on Seattle to Billund flight tickets
Air France
Aug 23
SEA1:30 pmSeattle/Tacoma Intl
12h 50m
1 stop
BLL11:20 amBillund
Sep 3
BLL6:40 amBillund
20h 03m
1 stop
SEA5:43 pmSeattle/Tacoma Intl
$497
Air France
Aug 22
SEA1:30 pmSeattle/Tacoma Intl
12h 50m
1 stop
BLL11:20 amBillund
Aug 29
BLL6:00 amBillund
14h 37m
1 stop
SEA11:37 amSeattle/Tacoma Intl
$554
Air France
Sep 7
SEA5:45 pmSeattle/Tacoma Intl
32h 15m
1 stop
BLL11:00 amBillund
Sep 14
BLL2:20 pmBillund
30h 27m
1 stop
SEA11:47 amSeattle/Tacoma Intl
$603

Lufthansa flights from Seattle to Billund

Our best Lufthansa deals on Seattle to Billund flight tickets
Lufthansa
Aug 22
SEA6:50 pmSeattle/Tacoma Intl
19h 45m
2 stops
BLL11:35 pmBillund
Aug 29
BLL6:00 amBillund
14h 55m
1 stop
SEA11:55 amSeattle/Tacoma Intl
$820
Lufthansa
Aug 23
SEA6:50 pmSeattle/Tacoma Intl
19h 30m
2 stops
BLL11:20 pmBillund
Aug 30
BLL6:00 amBillund
19h 59m
2 stops
SEA4:59 pmSeattle/Tacoma Intl
$831
Lufthansa
Aug 22
SEA6:50 pmSeattle/Tacoma Intl
19h 45m
2 stops
BLL11:35 pmBillund
Aug 29
BLL6:00 amBillund
19h 59m
2 stops
SEA4:59 pmSeattle/Tacoma Intl
$853

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 August 12, 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 Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Sun 8/23

1:30 pm-11:20 am

1 stop12h 50m

Billund

Thu 9/3

6:40 am-5:43 pm

1 stop20h 03m

$497

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Tue 10/6

1:30 pm-11:20 am

1 stop12h 50m

Billund

Tue 10/20

10:15 am-4:35 pm

1 stop15h 20m

$497

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Tue 10/6

7:15 am-11:20 am

2 stops19h 05m

Billund

Tue 10/20

6:40 am-5:47 pm

1 stop20h 07m

$502

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Tue 10/6

7:15 am-10:25 am

2 stops18h 10m

Billund

Tue 10/20

6:40 am-5:47 pm

1 stop20h 07m

$503

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Tue 10/6

1:45 pm-5:55 pm

1 stop19h 10m

Billund

Tue 10/20

11:45 am-4:35 pm

1 stop13h 50m

$509

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Sun 8/23

1:50 pm-1:30 pm

1 stop14h 40m

Billund

Sun 8/30

6:40 am-5:34 pm

1 stop19h 54m

$509

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Sun 8/23

1:50 pm-1:30 pm

1 stop14h 40m

Billund

Thu 9/3

11:45 am-4:35 pm

1 stop13h 50m

$509
Quickest round-trip

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Sat 8/22

1:30 pm-11:20 am

1 stop12h 50m

Billund

Mon 8/31

6:00 am-11:37 am

1 stop14h 37m

$554

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Sat 8/22

1:30 pm-11:20 am

1 stop12h 50m

Billund

Sun 8/30

6:00 am-11:37 am

1 stop14h 37m

$554

SeattleBillund

SEA Seattle/Tacoma Intl - BLL Billund

SEABLL

Seattle/Tacoma Intl

Mon 9/7

1:50 pm-1:30 pm

1 stop14h 40m

Billund

Mon 9/14

10:15 am-11:55 pm

2 stops22h 40m

$649

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

Prices are currently low for flights on this route.

Typical prices usually range from $640 to $1,047.
The lowest price recently found on this route was $497.

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

14h 40m

Direct flights

None
The fastest flight from Seattle to Billund takes 14h 40m
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 14h 40m.

  • 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
8,503 reviews
Search Delta flights
Air FrancePriceFrom $500Free CancellationRating
7.5
1,641 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
Romo

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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