Which layover airport has the shortest connection time from Billund to Seattle?

Munich (MUC) has the shortest average layover time for this route: 1h 41m.

Which airport is the most popular layover for flights between Billund and Seattle?

Frankfurt am Main (FRA) was the most common stop: 53% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Billund to Seattle?

Flights via Munich (MUC) offer the lowest average round-trip price of $621.

Which layover airport has the shortest travel time from Billund to Seattle?

Flights connecting via Munich (MUC) have the shortest average one-way travel time: 13h 26m.

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?

As of January 2026, there is 1 operator available to choose from 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.

$469 Cheap Flights from Billund to Seattle in 2026

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Find the cheapest flights from Billund to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 10:43 pm

BLL

SEA

25h 13m

2 stops

7:00 am - 1:20 pm

SEA

BLL

21h 20m

2 stops

$469Lufthansa

jue., feb. 12 - jue., feb. 19

6:30 am - 12:10 pm

BLL

SEA

14h 40m

1 stop

2:00 pm - 11:20 pm

SEA

BLL

24h 20m

1 stop

$481Lufthansa

jue., feb. 12 - jue., feb. 19

2:00 pm - 11:51 pm

BLL

SEA

42h 51m

2 stops

11:59 pm - 10:00 am

SEA

BLL

25h 01m

2 stops

$526United Airlines

jue., feb. 12 - jue., feb. 19

6:30 am - 12:10 pm

BLL

SEA

14h 40m

1 stop

5:45 am - 11:20 pm

SEA

BLL

32h 35m

2 stops

$529Multiple Airlines

jue., feb. 12 - jue., feb. 19

10:35 am - 10:57 pm

BLL

SEA

21h 22m

3 stops

9:55 am - 1:20 pm

SEA

BLL

18h 25m

2 stops

$605Multiple Airlines

jue., feb. 12 - jue., feb. 19

10:35 am - 10:57 pm

BLL

SEA

21h 22m

3 stops

5:45 am - 1:20 pm

SEA

BLL

22h 35m

2 stops

$614Air Canada

jue., feb. 12 - jue., feb. 19

6:15 am - 3:40 pm

BLL

SEA

18h 25m

3 stops

5:40 pm - 10:55 pm

SEA

BLL

20h 15m

3 stops

$1,087Multiple Airlines

jue., feb. 12 - jue., feb. 19

1:00 pm - 11:30 am

BLL

SEA

31h 30m

1 stop

5:40 pm - 11:20 pm

SEA

BLL

20h 40m

1 stop

$1,372Multiple Airlines

jue., feb. 12 - jue., feb. 19

British Airways flights from Billund to Seattle

Our best British Airways deals on Billund to Seattle flight tickets

British Airways

Jan 21

BLL1:20 pmBillund

42h 00m

2 stops

SEA10:20 pmSeattle/Tacoma Intl

Jan 25

SEA10:50 amSeattle/Tacoma Intl

23h 55m

2 stops

BLL7:45 pmBillund

$553

British Airways

Jan 21

BLL1:20 pmBillund

42h 00m

2 stops

SEA10:20 pmSeattle/Tacoma Intl

Jan 25

SEA8:04 amSeattle/Tacoma Intl

43h 16m

2 stops

BLL12:20 pmBillund

$591

British Airways

Jan 21

BLL1:20 pmBillund

42h 00m

2 stops

SEA10:20 pmSeattle/Tacoma Intl

Jan 25

SEA6:50 pmSeattle/Tacoma Intl

15h 55m

1 stop

BLL7:45 pmBillund

$1,051

Lufthansa flights from Billund to Seattle

Our best Lufthansa deals on Billund to Seattle flight tickets

Lufthansa

Feb 12

BLL6:30 amBillund

25h 13m

2 stops

SEA10:43 pmSeattle/Tacoma Intl

Feb 19

SEA7:00 amSeattle/Tacoma Intl

21h 20m

2 stops

BLL1:20 pmBillund

$469

Lufthansa

Feb 12

BLL6:30 amBillund

14h 40m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

Feb 19

SEA2:00 pmSeattle/Tacoma Intl

24h 20m

1 stop

BLL11:20 pmBillund

$481

Fly from

Fly to

Route

Depart

Return

Price

BillundSeattle

BLL - SEA

BLLSEA

Billund

jue. 2/12

6:30 am-10:43 pm

2 stops25h 13m

Seattle/Tacoma Intl

jue. 2/19

7:00 am-1:20 pm

2 stops21h 20m

$469

BillundSeattle

BLL - SEA

BLLSEA

Billund

jue. 2/12

6:30 am-12:10 pm

1 stop14h 40m

Seattle/Tacoma Intl

jue. 2/19

2:00 pm-11:20 pm

1 stop24h 20m

$481

BillundSeattle

BLL - SEA

BLLSEA

Billund

jue. 2/12

2:00 pm-11:51 pm

2 stops42h 51m

Seattle/Tacoma Intl

jue. 2/19

11:59 pm-10:00 am

2 stops25h 01m

$526

BillundSeattle

BLL - SEA

BLLSEA

Billund

jue. 2/12

6:30 am-12:10 pm

1 stop14h 40m

Seattle/Tacoma Intl

jue. 2/19

5:45 am-11:20 pm

2 stops32h 35m

$529

BillundSeattle

BLL - SEA

BLLSEA

Billund

jue. 2/12

10:35 am-10:57 pm

3 stops21h 22m

Seattle/Tacoma Intl

jue. 2/19

9:55 am-1:20 pm

2 stops18h 25m

$605

BillundSeattle

BLL - SEA

BLLSEA

Billund

jue. 2/12

10:35 am-10:57 pm

3 stops21h 22m

Seattle/Tacoma Intl

jue. 2/19

5:45 am-1:20 pm

2 stops22h 35m

$614

BillundSeattle

BLL - SEA

BLLSEA

Billund

jue. 2/12

6:15 am-3:40 pm

3 stops18h 25m

Seattle/Tacoma Intl

jue. 2/19

5:40 pm-10:55 pm

3 stops20h 15m

$1,087

BillundSeattle

BLL - SEA

BLLSEA

Billund

jue. 2/12

1:00 pm-11:30 am

1 stop31h 30m

Seattle/Tacoma Intl

jue. 2/19

5:40 pm-11:20 pm

1 stop20h 40m

$1,372

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Prices

Layovers

What is the cheapest month to fly to Seattle?

In general, December 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 $554. If you don’t want to visit Seattle in December, then you should wait until November to fly from Billund, when ticket prices are also cheap, with an average price of $555.

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 $698 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 $618 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

Fastest flight time	14h 25m
Direct flights	None

The fastest flight from Billund to Seattle takes 14h 25m

There are no direct flights from Billund to Seattle. There are no popular flight routes from Billund to Seattle.

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 14h 25m.
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?
As of January 2026, there is 1 operator available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Billund to Seattle is Lufthansa (100% of total bookings).

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
Lufthansa	PriceFrom $595	Free Cancellation	Rating 6.8 7,715 reviews		Search Lufthansa flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Cle Elum

Lakewood

Federal Way

Fife

Kirkland

Westport

Centralia

Shoreline

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.