BLL - SEA

$582 Find Cheap Flights from Billund to Seattle - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$585
Typical prices: $606-$937
Multiple Airlines
Tue 11/13Sat 11/17
BLL - SEA • 1 stop
Cheapest one-way
$582
Typical prices: $570-$977
Multiple Airlines
Fri 12/28
BLL - SEA • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Billund and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
12 weeks
in advance
Our data shows that travelers who book at least 12 weeks in advance save around 41% compared to booking last minute.
Insights
Insights
When to travel
December
Cheapest • 25% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
London Heathrow (LHR)
Cheapest • Avg $661 (round-trip)
Kastrup Copenhagen (CPH)
Shortest trip • 13h 23m (one-way)
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Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Billund to Seattle (BLL-SEA)

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

Recent round-trip flight deals from Billund to Seattle

Fri, Nov 13 - Tue, Nov 17
Multiple Airlines Logo
8:50 pm - 11:25 amBLL  Billund-SEA Seattle/Tacoma Intl
23h 35m1 stop London Heathrow
Multiple Airlines Logo
1:35 pm - 8:05 pmSEA  Seattle/Tacoma Intl-BLL Billund
21h 30m2 stops Los Angeles London Heathrow
$585Multiple Airlines
Fri, Nov 13 - Tue, Nov 17
Multiple Airlines Logo
8:50 pm - 7:57 pmBLL  Billund-SEA Seattle/Tacoma Intl
32h 07m2 stops London Heathrow Dallas/Fort Worth
Multiple Airlines Logo
1:35 pm - 8:05 pmSEA  Seattle/Tacoma Intl-BLL Billund
21h 30m2 stops Los Angeles London Heathrow
$592Multiple Airlines
Fri, Nov 13 - Tue, Nov 17
British Airways Logo
8:50 pm - 11:25 amBLL  Billund-SEA Seattle/Tacoma Intl
23h 35m1 stop London Heathrow
British Airways Logo
6:45 pm - 8:05 pmSEA  Seattle/Tacoma Intl-BLL Billund
16h 20m1 stop London Heathrow
$605British Airways
Mon, Nov 9 - Sat, Nov 14
British Airways Logo
8:55 pm - 11:25 amBLL  Billund-SEA Seattle/Tacoma Intl
23h 30m1 stop London Heathrow
British Airways Logo
1:40 pm - 12:05 pmSEA  Seattle/Tacoma Intl-BLL Billund
13h 25m1 stop London Heathrow
$610British Airways
Mon, Nov 16 - Mon, Nov 23
British Airways Logo
12:35 pm - 4:50 pmBLL  Billund-SEA Seattle/Tacoma Intl
13h 15m1 stop London Heathrow
British Airways Logo
6:09 am - 12:15 pmSEA  Seattle/Tacoma Intl-BLL Billund
21h 06m2 stops Chicago O'Hare Intl London Heathrow
$615British Airways
Mon, Nov 9 - Mon, Nov 16
British Airways Logo
12:35 pm - 4:50 pmBLL  Billund-SEA Seattle/Tacoma Intl
13h 15m1 stop London Heathrow
British Airways Logo
6:45 pm - 6:50 pmSEA  Seattle/Tacoma Intl-BLL Billund
15h 05m1 stop London Heathrow
$615British Airways
Mon, Nov 9 - Sat, Nov 14
British Airways Logo
8:55 pm - 8:20 pmBLL  Billund-SEA Seattle/Tacoma Intl
32h 25m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
6:45 pm - 11:20 amSEA  Seattle/Tacoma Intl-BLL Billund
31h 35m1 stop London Heathrow
$617British Airways
Mon, Nov 9 - Mon, Nov 16
British Airways Logo
8:55 pm - 11:25 amBLL  Billund-SEA Seattle/Tacoma Intl
23h 30m1 stop London Heathrow
British Airways Logo
9:15 am - 12:15 pmSEA  Seattle/Tacoma Intl-BLL Billund
18h 00m2 stops Philadelphia London Heathrow
$617British Airways
Mon, Nov 9 - Mon, Nov 16
British Airways Logo
12:35 pm - 12:35 amBLL  Billund-SEA Seattle/Tacoma Intl
21h 00m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
9:15 am - 12:15 pmSEA  Seattle/Tacoma Intl-BLL Billund
18h 00m2 stops Philadelphia London Heathrow
$625British Airways
Mon, Nov 9 - Mon, Nov 16
British Airways Logo
12:35 pm - 4:50 pmBLL  Billund-SEA Seattle/Tacoma Intl
13h 15m1 stop London Heathrow
British Airways Logo
6:45 pm - 6:50 pmSEA  Seattle/Tacoma Intl-BLL Billund
15h 05m1 stop London Heathrow
$628British Airways
Booking Insights

Price, demand and travel trends for Billund to Seattle flights

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

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Billund to Seattle. It’s 27% cheaper than the average day, while Sunday is the most expensive, with prices 13% higher.

What’s the cheapest month to fly from Billund to Seattle?

•December is the cheapest month to fly from Billund to Seattle at $575 round-trip.
•July ($945) and March ($863) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 64% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Billund to Seattle the cheapest?

Flights from Billund to Seattle are cheapest 12 weeks before departure. Booking in this window typically costs about 41% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Billund to Seattle flights

Low season

February

Cheapest flight

$582
Beat the crowds with an average 68% drop in travelers.
One-way flight from Billund to Seattle

When to book flights from Billund to Seattle

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

Your Billund to Seattle 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 Billund to Seattle?

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

    • Economy Class
    • Business Class

  • How long is a flight from Billund to Seattle?

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

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

    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 Billund to Seattle flight?

    Round-trip flights from Billund to Seattle range from $606 to $937, with an average of $763 over the past 12 months. Anything below $606 counts as a good deal.

  • How expensive are last-minute Billund to Seattle flights?

    Last-minute fares on this route (booked within two weeks of departure) run 30% above the $763 route average. Book 12 weeks before departure for the lowest fares.

  • How are flight prices from Billund to Seattle looking right now?

    One-way fares from Billund to Seattle are currently in line with typical prices for this route. Average one-way fares are about $729.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Dollar

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

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

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

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

    • Amsterdam Schiphol (AMS) - 39% of one-stop connections
    • Frankfurt am Main (FRA) - 35% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 12% of one-stop connections
    • London Heathrow (LHR) - 9% of one-stop connections

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

    Yes. Flexible dates can save you up to 36% on flights from Billund to Seattle. Monday is the cheapest departure day at $559 round-trip on average, while Sunday is the most expensive at $869, a difference of $310.

    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 Billund to Seattle?

    Flying via Kastrup Copenhagen (CPH) gives the shortest average 1-stop total travel time at 13h 23m, compared with 13h 48m via Paris Charles de Gaulle (CDG) and 14h 09m via Amsterdam Schiphol (AMS).

  • What is the time difference between Billund and Seattle?

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

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

Your guide to booking Billund to Seattle 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 Sunday. On this route, Monday flights average $559, about $310 less than Sunday fares (36% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 12 weeks before you fly. On this route, that window historically saves about 41% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Billund to Seattle trip for December. Fares historically average $575 round-trip in that month - typically $370 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

    • Seattle Airport Marriott
    • Coast Gateway Hotel
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from Billund to Seattle

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

Car rentals in Seattle
Hotels in Seattle
Vacations in Seattle