SEA - BLL

$515 Find Cheap Flights from Seattle to Billund - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$515
Typical prices: $648-$921
Air France
Fri 10/26Wed 11/7
SEA - BLL • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Seattle and Billund. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 25% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Reykjavik Keflavik Intl (KEF)
Cheapest • Avg $665 (round-trip)
Kastrup Copenhagen (CPH)
Shortest trip • 12h 42m (one-way)
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Insights
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Flight Deals

Cheap Flights from Seattle to Billund (SEA-BLL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Billund

Mon, Oct 26 - Sat, Nov 7
Air France Logo
4:20 pm - 9:45 pmSEA  Seattle/Tacoma Intl-BLL Billund
21h 25m1 stop Paris Charles de Gaulle
Air France Logo
6:00 am - 11:47 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
$515Air France
Mon, Oct 26 - Sat, Nov 7
Delta Logo
9:42 am - 11:25 amSEA  Seattle/Tacoma Intl-BLL Billund
17h 43m2 stops Salt Lake City Amsterdam Schiphol
Delta Logo
7:05 am - 1:50 pmBLL  Billund-SEA Seattle/Tacoma Intl
15h 45m1 stop Paris Charles de Gaulle
$531Delta
Mon, Oct 26 - Sat, Nov 7
Delta Logo
9:42 am - 11:25 amSEA  Seattle/Tacoma Intl-BLL Billund
17h 43m2 stops Salt Lake City Amsterdam Schiphol
Delta Logo
6:00 am - 4:37 pmBLL  Billund-SEA Seattle/Tacoma Intl
19h 37m2 stops Amsterdam Schiphol San Francisco
$541Delta
Fri, Sep 25 - Fri, Oct 2
Scandinavian Airlines Logo
3:55 pm - 10:05 amSEA  Seattle/Tacoma Intl-BLL Billund
33h 10m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:35 pm - 1:45 pmBLL  Billund-SEA Seattle/Tacoma Intl
27h 10m2 stops Stockholm Arlanda Kastrup Copenhagen
$617Scandinavian Airlines
Fri, Sep 25 - Fri, Oct 2
Scandinavian Airlines Logo
3:55 pm - 7:30 pmSEA  Seattle/Tacoma Intl-BLL Billund
42h 35m2 stops Kastrup Copenhagen Stockholm Arlanda
Scandinavian Airlines Logo
7:35 pm - 1:45 pmBLL  Billund-SEA Seattle/Tacoma Intl
27h 10m2 stops Stockholm Arlanda Kastrup Copenhagen
$617Scandinavian Airlines
Fri, Sep 25 - Fri, Oct 2
Scandinavian Airlines Logo
3:55 pm - 7:30 pmSEA  Seattle/Tacoma Intl-BLL Billund
42h 35m2 stops Kastrup Copenhagen Stockholm Arlanda
Scandinavian Airlines Logo
3:40 pm - 1:45 pmBLL  Billund-SEA Seattle/Tacoma Intl
31h 05m1 stop Kastrup Copenhagen
$617Scandinavian Airlines
Fri, Sep 25 - Fri, Oct 2
Scandinavian Airlines Logo
3:55 pm - 10:05 amSEA  Seattle/Tacoma Intl-BLL Billund
33h 10m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
3:40 pm - 1:45 pmBLL  Billund-SEA Seattle/Tacoma Intl
31h 05m1 stop Kastrup Copenhagen
$617Scandinavian Airlines
Fri, Sep 25 - Fri, Oct 2
Delta Logo
7:15 am - 9:35 amSEA  Seattle/Tacoma Intl-BLL Billund
17h 20m2 stops Chicago O'Hare Intl Amsterdam Schiphol
Delta Logo
11:45 am - 11:00 pmBLL  Billund-SEA Seattle/Tacoma Intl
20h 15m2 stops Amsterdam Schiphol Boston Logan Intl
$654Delta
Fri, Sep 25 - Fri, Oct 2
Scandinavian Airlines Logo
11:08 pm - 10:05 amSEA  Seattle/Tacoma Intl-BLL Billund
25h 57m2 stops Boston Logan Intl Kastrup Copenhagen
Scandinavian Airlines Logo
7:35 pm - 1:45 pmBLL  Billund-SEA Seattle/Tacoma Intl
27h 10m2 stops Stockholm Arlanda Kastrup Copenhagen
$710Scandinavian Airlines
Fri, Oct 23 - Tue, Oct 27
Scandinavian Airlines Logo
10:39 am - 11:15 amSEA  Seattle/Tacoma Intl-BLL Billund
39h 36m2 stops Chicago O'Hare Intl Kastrup Copenhagen
Scandinavian Airlines Logo
10:55 am - 11:13 pmBLL  Billund-SEA Seattle/Tacoma Intl
20h 18m2 stops Kastrup Copenhagen San Francisco
$763Scandinavian Airlines
Booking Insights

Price, demand and travel trends for Seattle to Billund flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to Billund with more confidence.

How much is a round-trip flight from Seattle to Billund?

Round-trip flights from Seattle to Billund start at $515. Prices are below average for this route right now, with typical round-trip fares ranging from $648 to $921. The lowest price found in the past 5 days was $515 on Air France.

What's the cheapest day of the week to fly from Seattle to Billund?

Thursday is the cheapest day of the week to fly from Seattle to Billund, it is 21% cheaper than the average day. Friday is the most expensive day with flight prices 192% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Seattle to Billund flights

Low season

March

Cheapest flight

$515
Best time to beat the crowds but there is an average 69% increase in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Seattle to Billund

When to book flights from Seattle to Billund

Are your dates flexible? Find out the best times to travel from Seattle to Billund based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Billund flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Seattle to Billund?

    Flights from Seattle to Billund usually depart from Seattle/Tacoma Intl (SEA) and arrive at Billund (BLL).

  • What cabin classes can I book on flights from Seattle to Billund?

    Only Economy Class is available on flights from Seattle to Billund.

  • Which airports do connecting flights from Seattle to Billund pass through?

    One-stop flights from Seattle to Billund most commonly connect through:

    • Amsterdam Schiphol (AMS) - 64% of one-stop connections
    • Frankfurt am Main (FRA) - 13% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 11% of one-stop connections
    • Kastrup Copenhagen (CPH) - 7% of one-stop connections

    Amsterdam Schiphol (AMS) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Seattle to Billund?

    Yes. Being flexible with your travel dates can save you up to 73% on the Seattle to Billund route. Thursday is the cheapest departure day at $556 round-trip on average, while Friday is the most expensive at $2,040, a difference of $1,484. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Billund?

    Legoland Billund is one of the most viewed places in Billund on KAYAK.

  • How long is a flight from Seattle to Billund?

    A nonstop flight from Seattle to Billund takes 0h 00m, covering 4,771 miles.

  • Do I need a passport to fly from Seattle to Billund?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Seattle to Billund changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $515 to $1,242. That means the highest observed fare was about 2x higher than the lowest one.

  • How much time can I save by choosing a different layover airport from Seattle to Billund?

    Flying via Kastrup Copenhagen (CPH) gives the shortest average 1-stop total travel time at 12h 42m, compared with 14h 14m via Amsterdam Schiphol (AMS) and 14h 26m via Paris Charles de Gaulle (CDG).

  • What is the time difference between Seattle and Billund?

    Billund is 9 hours ahead of Seattle (Central European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Billund Airport (BLL)?

    Billund Airport (BLL) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:
    · Sixt
    · Europcar
    · Alamo
    · keddy by Europcar
    · Budget

  • How much should I expect to pay for a Seattle to Billund flight?

    Round-trip flights from Seattle to Billund range from $648 to $921, with an average of $698 over the past 12 months. Anything below $648 counts as a good deal.

Your guide to booking Seattle to Billund flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Friday. On this route, Thursday flights average $556 - about $1,484 less than Friday (73% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Seattle to Billund trip for February. Fares historically average $524 round-trip in that month - typically $655 less than the most expensive month, which is March (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Billund Airport.
    - Airport Hotel, Billund
    - The Lodge Billund
    - Hotel Legoland, Denmark

Everything you need to know for your flight from Seattle to Billund

Information on your arrival and departure airports

Seattle (SEA)
Billund (BLL)