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Cheap flights from Billund to Seattle from $492

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 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Billund to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:30 pm - 11:35 am
BLL
-
SEA
23h 05m
1 stop
British Airways Logo
1:35 pm - 10:50 am
SEA
-
BLL
12h 15m
1 stop
$492British Airways
Mon, Apr 20 - Sun, Apr 26
British Airways Logo
9:30 pm - 11:35 am
BLL
-
SEA
23h 05m
1 stop
British Airways Logo
1:35 pm - 10:50 am
SEA
-
BLL
12h 15m
1 stop
$514British Airways
Mon, Apr 20 - Sun, Apr 26
British Airways Logo
11:40 am - 12:36 am
BLL
-
SEA
21h 56m
2 stops
British Airways Logo
1:35 pm - 10:50 am
SEA
-
BLL
12h 15m
1 stop
$519British Airways
Mon, Apr 20 - Sun, Apr 26
British Airways Logo
11:40 am - 12:36 am
BLL
-
SEA
21h 56m
2 stops
British Airways Logo
1:35 pm - 10:50 am
SEA
-
BLL
12h 15m
1 stop
$523British Airways
Mon, Apr 20 - Sun, Apr 26
Lufthansa Logo
6:00 am - 12:20 pm
BLL
-
SEA
15h 20m
1 stop
Lufthansa Logo
7:00 am - 9:50 am
SEA
-
BLL
17h 50m
2 stops
$577Lufthansa
Mon, Apr 20 - Fri, Apr 24
Lufthansa Logo
6:00 am - 7:00 pm
BLL
-
SEA
22h 00m
2 stops
Lufthansa Logo
8:00 am - 9:50 am
SEA
-
BLL
16h 50m
2 stops
$583Lufthansa
Mon, Apr 20 - Fri, Apr 24
British Airways Logo
11:40 am - 12:36 am
BLL
-
SEA
21h 56m
2 stops
British Airways Logo
7:00 am - 10:50 am
SEA
-
BLL
18h 50m
2 stops
$587British Airways
Mon, Apr 20 - Sun, Apr 26
British Airways Logo
11:40 am - 12:36 am
BLL
-
SEA
21h 56m
2 stops
British Airways Logo
7:00 am - 10:50 am
SEA
-
BLL
18h 50m
2 stops
$591British Airways
Mon, Apr 20 - Sun, Apr 26
Multiple Airlines Logo
6:55 pm - 9:53 pm
BLL
-
SEA
35h 58m
2 stops
Multiple Airlines Logo
5:40 am - 2:25 pm
SEA
-
BLL
23h 45m
3 stops
$813Multiple Airlines
Mon, Apr 20 - Fri, Apr 24
British Airways Logo
9:30 pm - 12:24 am
BLL
-
SEA
35h 54m
2 stops
British Airways Logo
11:16 am - 9:10 pm
SEA
-
BLL
24h 54m
2 stops
$817British Airways
Mon, Mar 30 - Thu, Apr 9

British Airways flights from Billund to Seattle

Our best British Airways deals on Billund to Seattle flight tickets
British Airways
Apr 20
BLL9:30 pmBillund
23h 05m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Apr 26
SEA1:35 pmSeattle/Tacoma Intl
12h 15m
1 stop
BLL10:50 amBillund
$492
British Airways
Apr 20
BLL9:30 pmBillund
23h 05m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Apr 26
SEA1:35 pmSeattle/Tacoma Intl
12h 15m
1 stop
BLL10:50 amBillund
$514
British Airways
Apr 20
BLL11:40 amBillund
21h 56m
2 stops
SEA12:36 amSeattle/Tacoma Intl
Apr 26
SEA1:35 pmSeattle/Tacoma Intl
12h 15m
1 stop
BLL10:50 amBillund
$519

Lufthansa flights from Billund to Seattle

Our best Lufthansa deals on Billund to Seattle flight tickets
Lufthansa
Apr 20
BLL6:00 amBillund
15h 20m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
Apr 24
SEA7:00 amSeattle/Tacoma Intl
17h 50m
2 stops
BLL9:50 amBillund
$577
Lufthansa
Apr 20
BLL6:00 amBillund
22h 00m
2 stops
SEA7:00 pmSeattle/Tacoma Intl
Apr 24
SEA8:00 amSeattle/Tacoma Intl
16h 50m
2 stops
BLL9:50 amBillund
$583
Lufthansa
Mar 29
BLL6:55 pmBillund
26h 25m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
Apr 8
SEA8:00 amSeattle/Tacoma Intl
16h 50m
2 stops
BLL9:50 amBillund
$987

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 March 4, 2026.
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 4/20

9:30 pm-11:35 am

1 stop23h 05m

Seattle/Tacoma Intl

Sun 4/26

1:35 pm-10:50 am

1 stop12h 15m

$492

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 4/20

9:30 pm-11:35 am

1 stop23h 05m

Seattle/Tacoma Intl

Sun 4/26

1:35 pm-10:50 am

1 stop12h 15m

$514

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 4/20

11:40 am-12:36 am

2 stops21h 56m

Seattle/Tacoma Intl

Sun 4/26

1:35 pm-10:50 am

1 stop12h 15m

$519

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 4/20

11:40 am-12:36 am

2 stops21h 56m

Seattle/Tacoma Intl

Sun 4/26

1:35 pm-10:50 am

1 stop12h 15m

$523

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 4/20

6:00 am-12:20 pm

1 stop15h 20m

Seattle/Tacoma Intl

Fri 4/24

7:00 am-9:50 am

2 stops17h 50m

$577

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 4/20

6:00 am-7:00 pm

2 stops22h 00m

Seattle/Tacoma Intl

Fri 4/24

8:00 am-9:50 am

2 stops16h 50m

$583

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 4/20

11:40 am-12:36 am

2 stops21h 56m

Seattle/Tacoma Intl

Sun 4/26

7:00 am-10:50 am

2 stops18h 50m

$587

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 4/20

11:40 am-12:36 am

2 stops21h 56m

Seattle/Tacoma Intl

Sun 4/26

7:00 am-10:50 am

2 stops18h 50m

$591

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 4/20

6:55 pm-9:53 pm

2 stops35h 58m

Seattle/Tacoma Intl

Fri 4/24

5:40 am-2:25 pm

3 stops23h 45m

$813

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 3/30

9:30 pm-12:24 am

2 stops35h 54m

Seattle/Tacoma Intl

Thu 4/9

11:16 am-9:10 pm

2 stops24h 54m

$817

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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, 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 $558.

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 $712 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 $632 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

23h 05m

Direct flights

None
The fastest flight from Billund to Seattle takes 23h 05m
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 23h 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
7,823 reviews
Search Lufthansa flights

Traveling to a place near Seattle?

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

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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