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SEA - BLL

$546 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
$546
Typical prices: $648-$921
Air France
Fri 11/9Fri 11/16
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
Booking Insights
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, Nov 9 - Mon, Nov 16
Air France Logo
3:25 pm - 2:25 pmSEA  Seattle/Tacoma Intl-BLL Billund
14h 00m1 stop Paris Charles de Gaulle
Air France Logo
7:05 am - 3:14 pmBLL  Billund-SEA Seattle/Tacoma Intl
17h 09m1 stop Paris Charles de Gaulle
$546Air France
Thu, Nov 12 - Thu, Nov 19
Air France Logo
4:05 pm - 2:25 pmSEA  Seattle/Tacoma Intl-BLL Billund
13h 20m1 stop Paris Charles de Gaulle
Air France Logo
6:00 am - 11:47 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
$546Air France
Mon, Nov 2 - Fri, Nov 6
Delta Logo
3:25 pm - 2:25 pmSEA  Seattle/Tacoma Intl-BLL Billund
14h 00m1 stop Paris Charles de Gaulle
Delta Logo
6:00 am - 11:47 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
$546Delta
Thu, Nov 12 - Thu, Nov 19
Delta Logo
10:39 am - 2:25 pmSEA  Seattle/Tacoma Intl-BLL Billund
18h 46m2 stops Chicago O'Hare Intl Paris Charles de Gaulle
Delta Logo
6:00 am - 11:47 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
$550Delta
Mon, Nov 2 - Fri, Nov 6
Delta Logo
10:39 am - 2:25 pmSEA  Seattle/Tacoma Intl-BLL Billund
18h 46m2 stops Chicago O'Hare Intl Paris Charles de Gaulle
Delta Logo
6:00 am - 11:47 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
$550Delta
Sun, Nov 1 - Wed, Nov 11
Air France Logo
2:35 pm - 11:25 amSEA  Seattle/Tacoma Intl-BLL Billund
11h 50m1 stop Amsterdam Schiphol
Air France Logo
6:00 am - 11:47 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
$557Air France
Sun, Nov 1 - Wed, Nov 11
Multiple Airlines Logo
2:35 pm - 11:25 amSEA  Seattle/Tacoma Intl-BLL Billund
11h 50m1 stop Amsterdam Schiphol
Multiple Airlines Logo
6:00 am - 2:55 pmBLL  Billund-SEA Seattle/Tacoma Intl
17h 55m2 stops Amsterdam Schiphol Salt Lake City
$567Multiple Airlines
Mon, Oct 26 - Mon, Nov 9
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
$573Air France
Mon, Oct 26 - Mon, Nov 9
Multiple Airlines Logo
4:20 pm - 9:45 pmSEA  Seattle/Tacoma Intl-BLL Billund
21h 25m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
6:00 am - 2:55 pmBLL  Billund-SEA Seattle/Tacoma Intl
17h 55m2 stops Amsterdam Schiphol Salt Lake City
$583Multiple Airlines
Sun, Nov 1 - Wed, Nov 11
Scandinavian Airlines Logo
10:39 am - 3:00 pmSEA  Seattle/Tacoma Intl-BLL Billund
19h 21m2 stops Chicago O'Hare Intl Kastrup Copenhagen
Scandinavian Airlines Logo
10:55 am - 8:13 pmBLL  Billund-SEA Seattle/Tacoma Intl
18h 18m2 stops Kastrup Copenhagen San Francisco
$676Scandinavian 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 with more confidence.

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

Round-trip flights from Seattle to Billund typically range from $648 to $921. The lowest price found in the past 5 days was $546, on Air France.

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

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

Find deals

Key details for Seattle to Billund flights

Low season

March

Cheapest flight

$546
Beat the crowds with an average 61% drop in travelers.
The most popular month to fly with an average 96% increase in travelers.
Round-trip 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 answers about this route, including flight times, airports, airlines and booking tips.

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

    Two cabin classes are available on flights from Seattle to Billund:

    • Economy Class
    • Business Class

  • How long is a flight from Seattle to Billund?

    A nonstop flight from Seattle to Billund takes 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.

  • 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.

  • 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

  • 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).

  • 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

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

    Yes. Flexible dates can save you up to 73% on flights from Seattle to Billund. 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.

  • 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 popular places can I visit in Billund?

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

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 are flexible, aim for a Thursday departure and avoid flying on Friday. On this route, Thursday flights average $556, about $1,484 less than Friday fares (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

More options for your flight from Seattle to Billund

Complete your trip to Billund with a hotel stay or car rental

Car rentals in Billund
Hotels in Billund