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Cheap flights from Billund to Seattle from $1,107

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Billund to Seattle departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Billund to Seattle

Cheap round-trip flights

Delta Logo
6:00 am - 3:55 pmBLL-SEA
18h 55m1 stop
Delta Logo
5:40 pm - 5:40 pmSEA-BLL
15h 00m1 stop
$1,107Delta
Find Deal
Mon, Aug 18 - Fri, Aug 22
Delta Logo
6:00 am - 4:00 pmBLL-SEA
19h 00m2 stops
Delta Logo
5:40 pm - 5:40 pmSEA-BLL
15h 00m1 stop
$1,129Delta
Find Deal
Mon, Aug 18 - Fri, Aug 22
Air Canada Logo
6:00 am - 6:36 pmBLL-SEA
21h 36m2 stops
Air Canada Logo
10:00 am - 2:00 pmSEA-BLL
19h 00m2 stops
$1,289Air Canada
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Mon, Aug 18 - Fri, Aug 22
Turkish Airlines Logo
7:05 pm - 10:35 amBLL-SEA
24h 30m1 stop
Turkish Airlines Logo
7:10 pm - 9:10 amSEA-BLL
29h 00m1 stop
$3,085Turkish Airlines
Find Deal
Fri, Oct 3 - Tue, Oct 21
Turkish Airlines Logo
7:05 pm - 10:35 amBLL-SEA
24h 30m1 stop
Turkish Airlines Logo
7:10 pm - 10:45 amSEA-BLL
30h 35m1 stop
$3,609Turkish Airlines
Find Deal
Fri, Oct 3 - Fri, Oct 24
Lufthansa Logo
6:45 pm - 10:30 pmBLL-SEA
36h 45m2 stops
Lufthansa Logo
1:57 pm - 11:15 pmSEA-BLL
24h 18m2 stops
$3,685Lufthansa
Find Deal
Wed, Oct 1 - Tue, Oct 21
Lufthansa Logo
6:45 pm - 10:30 pmBLL-SEA
36h 45m2 stops
Lufthansa Logo
2:20 pm - 6:00 pmSEA-BLL
18h 40m1 stop
$3,702Lufthansa
Find Deal
Wed, Oct 1 - Tue, Oct 21
Logo
7:40 pm - 10:35 amBLL-SEA
47h 55m2 stops
Logo
5:05 pm - 10:15 amSEA-BLL
32h 10m1 stop
$3,775
Find Deal
Thu, Oct 2 - Mon, Oct 20
Lufthansa Logo
10:45 am - 6:36 pmBLL-SEA
16h 51m2 stops
Lufthansa Logo
2:20 pm - 10:10 amSEA-BLL
34h 50m1 stop
$3,776Lufthansa
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Tue, Sep 30 - Wed, Oct 22
Logo
10:35 am - 10:35 amBLL-SEA
33h 00m2 stops
Logo
5:05 pm - 10:15 amSEA-BLL
32h 10m1 stop
$3,778
Find Deal
Wed, Oct 1 - Mon, Oct 20

Turkish Airlines flights from Billund to Seattle

Our best Turkish Airlines deals on Billund to Seattle flight tickets
Turkish Airlines
Oct 3
BLL7:05 pmBillund
24h 30m
1 stop
SEA10:35 amSeattle/Tacoma Intl
Oct 21
SEA7:10 pmSeattle/Tacoma Intl
29h 00m
1 stop
BLL9:10 amBillund
$3,085
Find similar
Turkish Airlines
Oct 3
BLL7:05 pmBillund
24h 30m
1 stop
SEA10:35 amSeattle/Tacoma Intl
Oct 24
SEA7:10 pmSeattle/Tacoma Intl
30h 35m
1 stop
BLL10:45 amBillund
$3,609
Find similar
Turkish Airlines
Sep 29
BLL7:05 pmBillund
24h 30m
1 stop
SEA10:35 amSeattle/Tacoma Intl
Oct 23
SEA12:30 pmSeattle/Tacoma Intl
20h 40m
1 stop
BLL6:10 pmBillund
$3,842
Find similar

Lufthansa flights from Billund to Seattle

Our best Lufthansa deals on Billund to Seattle flight tickets
Lufthansa
Oct 1
BLL6:45 pmBillund
36h 45m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
Oct 21
SEA1:57 pmSeattle/Tacoma Intl
24h 18m
2 stops
BLL11:15 pmBillund
$3,685
Find similar
Lufthansa
Oct 1
BLL6:45 pmBillund
36h 45m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
Oct 21
SEA2:20 pmSeattle/Tacoma Intl
18h 40m
1 stop
BLL6:00 pmBillund
$3,702
Find similar
Lufthansa
Sep 30
BLL10:45 amBillund
16h 51m
2 stops
SEA6:36 pmSeattle/Tacoma Intl
Oct 22
SEA2:20 pmSeattle/Tacoma Intl
34h 50m
1 stop
BLL10:10 amBillund
$3,776
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Billund to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Billund to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 8/18

6:00 am-3:55 pm

1 stop18h 55m

Seattle/Tacoma Intl

Fri 8/22

5:40 pm-5:40 pm

1 stop15h 00m

$1,107

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 8/18

6:00 am-4:00 pm

2 stops19h 00m

Seattle/Tacoma Intl

Fri 8/22

5:40 pm-5:40 pm

1 stop15h 00m

$1,129

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 8/18

6:00 am-6:36 pm

2 stops21h 36m

Seattle/Tacoma Intl

Fri 8/22

10:00 am-2:00 pm

2 stops19h 00m

$1,289

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 10/3

7:05 pm-10:35 am

1 stop24h 30m

Seattle/Tacoma Intl

Tue 10/21

7:10 pm-9:10 am

1 stop29h 00m

$3,085

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 10/3

7:05 pm-10:35 am

1 stop24h 30m

Seattle/Tacoma Intl

Fri 10/24

7:10 pm-10:45 am

1 stop30h 35m

$3,609

BillundSeattle

BLL - SEA

BLLSEA

Billund

Wed 10/1

6:45 pm-10:30 pm

2 stops36h 45m

Seattle/Tacoma Intl

Tue 10/21

1:57 pm-11:15 pm

2 stops24h 18m

$3,685

BillundSeattle

BLL - SEA

BLLSEA

Billund

Wed 10/1

6:45 pm-10:30 pm

2 stops36h 45m

Seattle/Tacoma Intl

Tue 10/21

2:20 pm-6:00 pm

1 stop18h 40m

$3,702

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 10/2

7:40 pm-10:35 am

2 stops47h 55m

Seattle/Tacoma Intl

Mon 10/20

5:05 pm-10:15 am

1 stop32h 10m

$3,775

BillundSeattle

BLL - SEA

BLLSEA

Billund

Tue 9/30

10:45 am-6:36 pm

2 stops16h 51m

Seattle/Tacoma Intl

Wed 10/22

2:20 pm-10:10 am

1 stop34h 50m

$3,776

BillundSeattle

BLL - SEA

BLLSEA

Billund

Wed 10/1

10:35 am-10:35 am

2 stops33h 00m

Seattle/Tacoma Intl

Mon 10/20

5:05 pm-10:15 am

1 stop32h 10m

$3,778

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Billund to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Billund and Seattle?

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Billund to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $496. If you don’t want to visit Seattle in January, then you should wait until February to fly from Billund, when ticket prices are also cheap, with an average price of $502.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Billund is on a Monday. momondo users have found tickets for Monday departures for as low as $602. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Billund because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $879.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Billund at noon is the least expensive time of day to depart. momondo users have found prices as low as $790 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $795. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Seattle from Billund when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $627 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Billund for as low as $598 on momondo.

When to book flights from Billund to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Billund to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Billund to Seattle (BLL to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billund to Seattle

Best Price Found

$1,774

Fastest flight time

13h 05m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Billund in the past 72 hours is $1,774. The best round-trip flight deal from Billund to Seattle found on momondo in the last 72 hours is $1,107.
The fastest flight from Billund to Seattle takes 13h 05m
There are no direct flights from Billund to Seattle. Popular non-direct route for this connection is Billund Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

  • How far is Billund to Seattle/Tacoma Intl by plane?

    The straight-line distance from Billund to Seattle/Tacoma Intl is 4761.2 mi. By plane, this route typically takes 13h 05m.

  • When did momondo last update prices for flights from Billund Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Billund Airport to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Billund Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Billund Airport to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Billund Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Billund to Seattle?

Best airlines flying from Billund to Seattle

Compare and see reviews for airlines that fly from Billund to Seattle with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $595Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Renton
Kent
Federal Way
Puyallup
Lynnwood
Marysville
Tukwila
Kirkland
Lakewood
Fife
Centralia
Cle Elum
Shoreline
Westport
Redmond

Why use momondo?

Why should I use momondo to find a flight deal from Billund to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Billund to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Billund to Seattle with flexible booking policies on momondo?

Flights from Billund to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Billund to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Billund. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Billund to Seattle right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Billund to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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