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Cheap flights from Seattle to Billund from $672

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 6/30. 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 am
SEA
-
BLL
12h 50m
1 stop
Air France Logo
6:00 am - 11:33 am
BLL
-
SEA
14h 33m
1 stop
$672Air France
Tue, Jun 30 - Tue, Jul 14
Delta Logo
7:15 am - 10:25 am
SEA
-
BLL
18h 10m
2 stops
Delta Logo
6:40 am - 5:43 pm
BLL
-
SEA
20h 03m
1 stop
$699Delta
Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
5:45 pm - 11:00 pm
SEA
-
BLL
20h 15m
1 stop
Multiple Airlines Logo
10:15 am - 4:27 pm
BLL
-
SEA
15h 12m
1 stop
$705Multiple Airlines
Mon, Aug 3 - Mon, Aug 10
Delta Logo
7:15 am - 10:25 am
SEA
-
BLL
18h 10m
2 stops
Delta Logo
11:40 am - 11:10 pm
BLL
-
SEA
20h 30m
2 stops
$709Delta
Sat, Sep 12 - Sat, Sep 19
Delta Logo
5:45 pm - 5:55 pm
SEA
-
BLL
15h 10m
1 stop
Delta Logo
10:15 am - 8:03 pm
BLL
-
SEA
18h 48m
2 stops
$747Delta
Mon, Aug 3 - Mon, Aug 10
British Airways Logo
6:50 pm - 7:45 pm
SEA
-
BLL
15h 55m
1 stop
British Airways Logo
1:00 pm - 4:55 pm
BLL
-
SEA
12h 55m
1 stop
$750British Airways
Sun, Nov 15 - Thu, Nov 19
British Airways Logo
6:50 pm - 7:45 pm
SEA
-
BLL
15h 55m
1 stop
British Airways Logo
1:00 pm - 4:55 pm
BLL
-
SEA
12h 55m
1 stop
$751British Airways
Sun, Nov 15 - Thu, Nov 19
Multiple Airlines Logo
6:35 pm - 10:25 pm
SEA
-
BLL
18h 50m
1 stop
Multiple Airlines Logo
2:20 pm - 11:33 am
BLL
-
SEA
30h 13m
1 stop
$754Multiple Airlines
Fri, Jul 3 - Mon, Jul 6
Air Canada Logo
10:10 am - 6:20 pm
SEA
-
BLL
23h 10m
2 stops
Air Canada Logo
6:35 am - 9:57 pm
BLL
-
SEA
24h 22m
2 stops
$758Air Canada
Sun, Nov 15 - Thu, Nov 19
Air Canada Logo
10:10 am - 6:20 pm
SEA
-
BLL
23h 10m
2 stops
Air Canada Logo
6:35 am - 9:57 pm
BLL
-
SEA
24h 22m
2 stops
$759Air Canada
Sun, Nov 15 - Thu, Nov 19

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Delta flights from Seattle to Billund

Our best Delta deals on Seattle to Billund flight tickets
Delta
Sep 12
SEA7:15 amSeattle/Tacoma Intl
18h 10m
2 stops
BLL10:25 amBillund
Sep 19
BLL6:40 amBillund
20h 03m
1 stop
SEA5:43 pmSeattle/Tacoma Intl
$699
Delta
Sep 12
SEA7:15 amSeattle/Tacoma Intl
18h 10m
2 stops
BLL10:25 amBillund
Sep 19
BLL11:40 amBillund
20h 30m
2 stops
SEA11:10 pmSeattle/Tacoma Intl
$709
Delta
Aug 3
SEA5:45 pmSeattle/Tacoma Intl
15h 10m
1 stop
BLL5:55 pmBillund
Aug 10
BLL10:15 amBillund
18h 48m
2 stops
SEA8:03 pmSeattle/Tacoma Intl
$747

Lufthansa flights from Seattle to Billund

Our best Lufthansa deals on Seattle to Billund flight tickets
Lufthansa
Sep 12
SEA2:10 pmSeattle/Tacoma Intl
14h 55m
1 stop
BLL2:05 pmBillund
Sep 19
BLL6:00 amBillund
14h 55m
1 stop
SEA11:55 amSeattle/Tacoma Intl
$767
Lufthansa
Aug 3
SEA1:55 pmSeattle/Tacoma Intl
24h 40m
2 stops
BLL11:35 pmBillund
Aug 10
BLL6:00 amBillund
25h 42m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$857
Lufthansa
Jun 29
SEA10:45 amSeattle/Tacoma Intl
22h 45m
2 stops
BLL6:30 pmBillund
Jul 9
BLL6:40 pmBillund
35h 06m
2 stops
SEA8:46 pmSeattle/Tacoma Intl
$973

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 June 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

Tue 6/30

1:30 pm-11:20 am

1 stop12h 50m

Billund

Tue 7/14

6:00 am-11:33 am

1 stop14h 33m

$672

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sat 9/12

7:15 am-10:25 am

2 stops18h 10m

Billund

Sat 9/19

6:40 am-5:43 pm

1 stop20h 03m

$699

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 8/3

5:45 pm-11:00 pm

1 stop20h 15m

Billund

Mon 8/10

10:15 am-4:27 pm

1 stop15h 12m

$705

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sat 9/12

7:15 am-10:25 am

2 stops18h 10m

Billund

Sat 9/19

11:40 am-11:10 pm

2 stops20h 30m

$709

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 8/3

5:45 pm-5:55 pm

1 stop15h 10m

Billund

Mon 8/10

10:15 am-8:03 pm

2 stops18h 48m

$747

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 11/15

6:50 pm-7:45 pm

1 stop15h 55m

Billund

Thu 11/19

1:00 pm-4:55 pm

1 stop12h 55m

$750

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 11/15

6:50 pm-7:45 pm

1 stop15h 55m

Billund

Thu 11/19

1:00 pm-4:55 pm

1 stop12h 55m

$751

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 7/3

6:35 pm-10:25 pm

1 stop18h 50m

Billund

Mon 7/6

2:20 pm-11:33 am

1 stop30h 13m

$754

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 11/15

10:10 am-6:20 pm

2 stops23h 10m

Billund

Thu 11/19

6:35 am-9:57 pm

2 stops24h 22m

$758

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 11/15

10:10 am-6:20 pm

2 stops23h 10m

Billund

Thu 11/19

6:35 am-9:57 pm

2 stops24h 22m

$759

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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, 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

15h 55m

Direct flights

None
The fastest flight from Seattle to Billund takes 15h 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 15h 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
Air FrancePriceFrom $332Free CancellationRating
7.4
1,612 reviews
Search Air France flights
DeltaPriceFrom $421Free CancellationRating
7.8
8,422 reviews
Search Delta flights

Traveling to a place near Billund?

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