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Billund

$323+ Cheap flights from Seattle (SEA) to Billund (BLL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLL
May 31 — Jun 71
Sun 5/31
Sun 6/7
1 adult, Economy
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Cheap flight deals from Seattle to Billund

Cheapest flights from Seattle to Billund
Explore the most affordable flight options available from Seattle to Billund. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2026.

This Air France deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/291:30 pm
SEA
-
BLL
1 stop12h 50m
Air France
Thu 7/96:00 am
BLL
-
SEA
1 stop14h 33m
Air France
Deal found 4/30$673
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:15 am
SEA
-
BLL
2 stops17h 10m
Delta
Thu 7/96:40 am
BLL
-
SEA
1 stop13h 35m
Delta
Deal found 5/1$679
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:10 pm
SEA
-
BLL
1 stop15h 10m
United Airlines
Sat 5/93:00 pm
BLL
-
SEA
2 stops39h 06m
United Airlines
Deal found 4/27$770
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:10 pm
SEA
-
BLL
1 stop14h 50m
United Airlines
Mon 10/196:00 am
BLL
-
SEA
1 stop15h 20m
United Airlines
Deal found 4/26$791
This Air France deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:50 pm
SEA
-
BLL
1 stop18h 35m
Air France
Sun 7/54:00 pm
BLL
-
SEA
1 stop28h 33m
Air France
Deal found 5/1$844

Find flight deals from Seattle to Billund

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Billund (BLL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$673
(Air France)

One-way from

$323
(Air France)

Popular in

January

Cheapest in

February

Average price

$665
Provider with most accurate pricing for Seattle/Tacoma Intl-Billund flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Billund flights.
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From Seattle/Tacoma Intl to Billund
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One-way flight from Seattle/Tacoma Intl to Billund
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in May 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Billund 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, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2026.
Use the filters below to find and compare flights from Seattle to Billund that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 6/29

1:30 pm-11:20 am

1 stop12h 50m

Billund

Thu 7/9

6:00 am-11:33 am

1 stop14h 33m

$673

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 6/29

7:15 am-9:25 am

2 stops17h 10m

Billund

Thu 7/9

6:40 am-11:15 am

1 stop13h 35m

$679

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 10/15

5:40 am-2:00 pm

2 stops23h 20m

Billund

Mon 10/19

6:00 am-12:20 pm

1 stop15h 20m

$791
Cheapest one-way

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 5/22

1:45 pm-5:55 pm

1 stop19h 10m

$323

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 5/22

7:00 pm-11:35 am

3 stops31h 35m

$484
Quickest one-way

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 5/21

1:45 pm-1:30 pm

1 stop14h 45m

$485

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 5/20

10:45 am-2:10 pm

2 stops18h 25m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Seattle-Billund flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Billund flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Billund flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Billund flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Billund flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Billund

Have a flexible travel schedule? Discover the best time to fly to Billund from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Seattle to Billund?

Currently, February is the cheapest month in which you can book a flight from Seattle to Billund (average of $473). Flying from Seattle to Billund in January is currently the most expensive (average of $873). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Seattle to Billund?

Reviews of airlines servicing Billund

Get insights into the airlines that provide service to Billund. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Billund. Reviews last updated May 1, 2026.
Peruse reviews from past customers who have flown with Delta,Air France, andLufthansa from Seattle to Billund to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,464 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,464 reviews
Delta
7.9
Good
8,464 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air France
7.4
Good
1,582 reviews
Delta
7.9
Good
8,464 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,964 reviews
Delta
7.9
Good
8,464 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Billund. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Billund?

    Departing from Seattle to Billund will take you 12h 50m. The distance from Seattle to Billund is about 4771 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Seattle to Billund round-trip?

    Air France, at $332, was found to be the cheapest airline from Seattle to Billund.Alternate airlines to your destination round-trip include Delta and Lufthansa. Air France is priced at 51% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Seattle to Billund that include hotel bookings?

    Yes. In addition to deals on Seattle to Billund flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Billund?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Billund.

  • Can I find deals for business class flights from Seattle to Billund?

    Yes. Cheapflights offers flight deals from Seattle to Billund by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Billund?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Billund (average of $473). Flying from Seattle to Billund in January is currently the most expensive (average of $873). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Billund

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Seattle to Billund

Discover the top 3 airlines that operate flights from Seattle to Billund. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$332Average$606FlexibilityNo cancel feeOn-time77%
DeltaCheapest$421Average$822FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$597Average$762FlexibilityNo cancel feeOn-time76%

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