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BLL - SEA

$562 Find Cheap Flights from Billund to Seattle - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$649
Typical prices: $606-$937
British Airways
Sun 12/2Thu 12/6
BLL - SEA • 2 stops
Cheapest one-way
$562
Typical prices: $570-$977
Multiple Airlines
Wed 11/14
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)
Insights
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

Wed, Dec 2 - Sun, Dec 6
British Airways Logo
9:00 pm - 11:48 pmBLL  Billund-SEA Seattle/Tacoma Intl
35h 48m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
6:45 pm - 12:15 pmSEA  Seattle/Tacoma Intl-BLL Billund
32h 30m1 stop London Heathrow
$649British Airways
Wed, Dec 2 - Sun, Dec 6
British Airways Logo
9:00 pm - 11:48 pmBLL  Billund-SEA Seattle/Tacoma Intl
35h 48m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
6:20 am - 12:15 pmSEA  Seattle/Tacoma Intl-BLL Billund
44h 55m2 stops Chicago O'Hare Intl London Heathrow
$650British Airways
Wed, Dec 2 - Sun, Dec 6
British Airways Logo
9:00 pm - 11:48 pmBLL  Billund-SEA Seattle/Tacoma Intl
35h 48m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
6:45 pm - 12:15 pmSEA  Seattle/Tacoma Intl-BLL Billund
32h 30m1 stop London Heathrow
$653British Airways
Wed, Dec 2 - Sun, Dec 6
British Airways Logo
9:00 pm - 11:48 pmBLL  Billund-SEA Seattle/Tacoma Intl
35h 48m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
6:20 am - 12:15 pmSEA  Seattle/Tacoma Intl-BLL Billund
44h 55m2 stops Chicago O'Hare Intl London Heathrow
$654British Airways
Thu, Nov 5 - Mon, Nov 9
Air France Logo
6:00 am - 11:47 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
Air France Logo
3:25 pm - 2:25 pmSEA  Seattle/Tacoma Intl-BLL Billund
14h 00m1 stop Paris Charles de Gaulle
$677Air France
Thu, Nov 5 - Mon, Nov 9
Air France Logo
6:00 am - 11:47 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
Air France Logo
3:25 pm - 2:25 pmSEA  Seattle/Tacoma Intl-BLL Billund
14h 00m1 stop Paris Charles de Gaulle
$679Air France
Thu, Nov 5 - Mon, Nov 9
KLM Logo
7:05 pm - 11:47 amBLL  Billund-SEA Seattle/Tacoma Intl
25h 42m1 stop Amsterdam Schiphol
KLM Logo
9:25 am - 11:25 amSEA  Seattle/Tacoma Intl-BLL Billund
17h 00m2 stops Salt Lake City Amsterdam Schiphol
$683KLM
Thu, Nov 5 - Mon, Nov 9
Multiple Airlines Logo
6:00 am - 11:47 amBLL  Billund-SEA Seattle/Tacoma Intl
14h 47m1 stop Amsterdam Schiphol
Multiple Airlines Logo
9:40 am - 11:25 amSEA  Seattle/Tacoma Intl-BLL Billund
16h 45m2 stops Portland Amsterdam Schiphol
$685Multiple Airlines
Thu, Nov 5 - Mon, Nov 9
Delta Logo
10:25 am - 8:50 pmBLL  Billund-SEA Seattle/Tacoma Intl
19h 25m2 stops Amsterdam Schiphol Minneapolis St Paul
Delta Logo
10:39 am - 2:25 pmSEA  Seattle/Tacoma Intl-BLL Billund
18h 46m2 stops Chicago O'Hare Intl Paris Charles de Gaulle
$694Delta
Thu, Nov 5 - Mon, Nov 9
Multiple Airlines Logo
7:05 am - 4:24 pmBLL  Billund-SEA Seattle/Tacoma Intl
18h 19m2 stops Paris Charles de Gaulle Salt Lake City
Multiple Airlines Logo
9:40 am - 11:25 amSEA  Seattle/Tacoma Intl-BLL Billund
16h 45m2 stops Portland Amsterdam Schiphol
$698Multiple Airlines
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.

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

Round-trip flights from Billund to Seattle typically range from $606 to $937. The lowest price found in the past 5 days was $649, on British Airways.

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

$562
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.

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

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $649 to $1,097. That means the highest observed fare was about 69% higher than the lowest one.

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

    One-way fares from Billund to Seattle are currently lower than usual. Average one-way flight prices are about $672, which is 11% below the typical average for this route.

  • 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