SEA - BLL

$609 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
$609
Typical prices: $621-$890
Delta
Sun 12/9Sun 12/16
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
October
Cheapest • 26% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Paris Charles de Gaulle (CDG)
Cheapest • Avg $575 (round-trip)
Kastrup Copenhagen (CPH)
Shortest trip • 12h 42m (one-way)
Insights
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

Wed, Dec 9 - Wed, Dec 16
Delta Logo
3:25 pm - 2:25 pmSEA  Seattle/Tacoma Intl-BLL Billund
14h 00m1 stop Paris Charles de Gaulle
Delta Logo
10:25 am - 8:42 pmBLL  Billund-SEA Seattle/Tacoma Intl
19h 17m2 stops Amsterdam Schiphol Chicago O'Hare Intl
$609Delta
Wed, Dec 9 - Wed, Dec 16
Delta Logo
11:30 am - 2:25 pmSEA  Seattle/Tacoma Intl-BLL Billund
17h 55m2 stops Salt Lake City Paris Charles de Gaulle
Delta Logo
10:25 am - 8:42 pmBLL  Billund-SEA Seattle/Tacoma Intl
19h 17m2 stops Amsterdam Schiphol Chicago O'Hare Intl
$613Delta
Mon, Nov 23 - Mon, Nov 30
KLM Logo
9:25 am - 11:25 amSEA  Seattle/Tacoma Intl-BLL Billund
17h 00m2 stops Salt Lake City Amsterdam Schiphol
KLM Logo
7:05 pm - 11:50 amBLL  Billund-SEA Seattle/Tacoma Intl
25h 45m1 stop Amsterdam Schiphol
$647KLM
Mon, Nov 23 - Mon, Nov 30
Scandinavian Airlines Logo
10:39 am - 11:55 pmSEA  Seattle/Tacoma Intl-BLL Billund
28h 16m2 stops Chicago O'Hare Intl Kastrup Copenhagen
Scandinavian Airlines Logo
9:15 pm - 10:55 pmBLL  Billund-SEA Seattle/Tacoma Intl
34h 40m2 stops Kastrup Copenhagen Boston Logan Intl
$695Scandinavian Airlines
Mon, Feb 1 - Fri, Feb 5
Scandinavian Airlines Logo
12:00 pm - 3:00 pmSEA  Seattle/Tacoma Intl-BLL Billund
42h 00m2 stops Los Angeles Kastrup Copenhagen
Scandinavian Airlines Logo
3:35 pm - 8:50 pmBLL  Billund-SEA Seattle/Tacoma Intl
38h 15m2 stops Kastrup Copenhagen San Francisco
$710Scandinavian Airlines
Mon, Feb 1 - Fri, Feb 5
Scandinavian Airlines Logo
7:15 am - 11:55 pmSEA  Seattle/Tacoma Intl-BLL Billund
31h 40m2 stops Chicago O'Hare Intl Kastrup Copenhagen
Scandinavian Airlines Logo
6:10 am - 10:05 pmBLL  Billund-SEA Seattle/Tacoma Intl
24h 55m2 stops Kastrup Copenhagen Los Angeles
$710Scandinavian Airlines
Fri, Feb 12 - Sun, Feb 21
Air France Logo
3:30 pm - 2:25 pmSEA  Seattle/Tacoma Intl-BLL Billund
13h 55m1 stop Paris Charles de Gaulle
Air France Logo
6:00 am - 11:47 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
$1,033Air France
Thu, Dec 17 - Sat, Dec 26
Delta Logo
2:35 pm - 9:40 amSEA  Seattle/Tacoma Intl-BLL Billund
34h 05m1 stop Amsterdam Schiphol
Delta Logo
6:00 am - 11:50 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 50m1 stop Amsterdam Schiphol
$1,835Delta
Thu, Dec 17 - Sun, Dec 27
Delta Logo
2:35 pm - 9:40 amSEA  Seattle/Tacoma Intl-BLL Billund
34h 05m1 stop Amsterdam Schiphol
Delta Logo
6:00 am - 11:50 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 50m1 stop Amsterdam Schiphol
$2,021Delta
Fri, Dec 18 - Sat, Dec 26
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 - 11:50 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 50m1 stop Amsterdam Schiphol
$3,675Delta
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 $621 to $890. The lowest price found in the past 5 days was $609, on Delta.

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, Monday is the cheapest day of the week to fly from Seattle to Billund. It’s 9% cheaper than the average day, while Thursday is the most expensive, with prices 72% higher.

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Key details for Seattle to Billund flights

Low season

March

Cheapest flight

$609
Beat the crowds with an average 73% drop in travelers.
The most popular month to fly with an average 40% 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 $621 to $890, with an average of $689 over the past 12 months. Anything below $621 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 averaging $49 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) - 72% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 9% of one-stop connections
    • Kastrup Copenhagen (CPH) - 7% of one-stop connections
    • Reykjavik Keflavik Intl (KEF) - 5% 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 48% on flights from Seattle to Billund. Monday is the cheapest departure day at $628 round-trip on average, while Thursday is the most expensive at $1,190, a difference of $562.

    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 15m via Amsterdam Schiphol (AMS) and 14h 20m via Paris Charles de Gaulle (CDG).

  • What is the time difference between Seattle and Billund?

    Billund is 8 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 Monday departure and avoid flying on Thursday. On this route, Monday flights average $628, about $562 less than Thursday fares (47% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Seattle to Billund trip for October. Fares historically average $513 round-trip in that month - typically $677 less than the most expensive month, which is December (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 Svanen, BW Signature Collection

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