BLL - SEA

$546 Find Cheap Flights from Billund to Seattle

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Billund to Seattle departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Billund to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Billund to Seattle, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$546
Typical prices: $813-$624
British Airways
Wed 9/30Sun 10/4
BLL - SEA • 1 stop
Cheapest one-way
$755
Multiple Airlines
Fri 7/3
BLL - SEA • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Billund and Seattle. You'll need at least 1 connection.
Insights
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When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 30% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
December
Cheapest • 26% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Billund to Seattle (BLL-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Billund to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Billund to Seattle

Wed, Sep 30 - Sun, Oct 4
British Airways Logo
12:10 pm - 11:35 am
BLL
-
SEA
32h 25m
1 stop
British Airways Logo
6:24 am - 8:35 pm
SEA
-
BLL
29h 11m
2 stops
$546British Airways
Thu, Jun 4 - Mon, Jun 8
Multiple Airlines Logo
6:45 pm - 11:37 am
BLL
-
SEA
25h 52m
1 stop
Multiple Airlines Logo
1:55 pm - 11:00 am
SEA
-
BLL
12h 05m
1 stop
$619Multiple Airlines
Thu, Jun 4 - Mon, Jun 8
Delta Logo
11:45 am - 4:24 pm
BLL
-
SEA
13h 39m
1 stop
Delta Logo
7:29 am - 11:00 am
SEA
-
BLL
18h 31m
2 stops
$651Delta
Thu, Jun 4 - Mon, Jun 8
Delta Logo
11:45 am - 10:40 pm
BLL
-
SEA
19h 55m
2 stops
Delta Logo
5:30 am - 9:35 am
SEA
-
BLL
19h 05m
2 stops
$656Delta
Wed, Sep 30 - Sun, Oct 4
United Airlines Logo
6:00 am - 11:55 am
BLL
-
SEA
14h 55m
1 stop
United Airlines Logo
2:10 pm - 6:00 pm
SEA
-
BLL
18h 50m
1 stop
$713United Airlines
Wed, Sep 30 - Sun, Oct 4
Air Canada Logo
6:00 am - 6:32 pm
BLL
-
SEA
21h 32m
2 stops
Air Canada Logo
7:20 pm - 2:10 pm
SEA
-
BLL
33h 50m
2 stops
$715Air Canada
Wed, Jun 24 - Wed, Jul 1
United Airlines Logo
2:55 pm - 7:36 pm
BLL
-
SEA
37h 41m
2 stops
United Airlines Logo
5:15 pm - 10:00 am
SEA
-
BLL
31h 45m
2 stops
$739United Airlines
Wed, Jun 24 - Wed, Jul 1
Lufthansa Logo
2:55 pm - 12:20 pm
BLL
-
SEA
30h 25m
1 stop
Lufthansa Logo
7:00 am - 9:50 am
SEA
-
BLL
17h 50m
2 stops
$743Lufthansa
Sun, Jun 21 - Sun, Jun 28
United Airlines Logo
6:00 am - 12:20 pm
BLL
-
SEA
15h 20m
1 stop
United Airlines Logo
5:00 am - 6:00 pm
SEA
-
BLL
28h 00m
2 stops
$764United Airlines
Wed, Jun 24 - Wed, Jul 1
United Airlines Logo
2:55 pm - 7:36 pm
BLL
-
SEA
37h 41m
2 stops
United Airlines Logo
10:29 am - 9:50 am
SEA
-
BLL
62h 21m
3 stops
$767United Airlines
Booking Insights

KAYAK's insights & trends for Billund to Seattle flights

Get data-powered insights and trends into flights from Billund to Seattle to help you find the cheapest flights, the best time to fly and much more.

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

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Billund to Seattle departing in September.

What is the cheapest month to fly from Billund to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Billund to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Billund to Seattle is December, where tickets cost $553 (return) on average. On the other hand, the most expensive months are January and July, where the average cost of round-trip tickets is $939 and $903 respectively.

How far in advance should I book a flight from Billund to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Billund to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Billund to Seattle, you should book around 2 weeks before departure, which saves you about 30% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Find deals

Good to know

Low seasonNovember
Cheapest flight$546
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly and prices are also 27% lower on average.
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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Billund to Seattle

  • What is the cheapest flight from Billund to Seattle?

    In the last 3 days, the lowest price for a flight from Billund to Seattle was $755 for a one-way ticket and $546 for a round-trip.

  • Do I need a passport to fly between Billund and Seattle?

    Yes

  • Which airports will I be using when flying from Billund to Seattle?

    Billund airport is called Billund and the only airport in Seattle is Seattle/Tacoma Intl.

  • Which aircraft models fly most regularly from Billund to Seattle?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Billund to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Billund to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Billund to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Billund is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Billund to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Billund with another airline. Booking your flights between Billund and SEA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Billund to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Billund up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

Information on your arrival and departure airports

Billund (BLL)
Seattle (SEA)