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Billund

$552+ Cheap flights from Seattle (SEA) to Billund (BLL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLL
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap 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 July 1, 2025.

Round-trip from

$571
(Air France)

Popular in

February

Cheapest in

March

Average price

$607
From Seattle/Tacoma Intl to Billund
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Highest demand for flights based on searches. 11% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 1, 2025.

This British Airways deal was found by Cheapflights users on 7/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:50 pmSEA - BLL
1 stop16h 00mBritish Airways
Sat 11/81:05 pmBLL - SEA
2 stops19h 10mBritish Airways
Deal found 7/1$552
This Air France deal was found by Cheapflights users on 6/30. 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.
Wed 10/293:00 pmSEA - BLL
1 stop15h 00mAir France
Sat 11/86:30 amBLL - SEA
1 stop13h 55mAir France
Deal found 6/30$558
This Delta deal was found by Cheapflights users on 7/1. 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.
Thu 8/147:10 amSEA - BLL
2 stops17h 25mDelta
Thu 8/216:45 amBLL - SEA
1 stop13h 30mDelta
Deal found 7/1$575
This Air Canada deal was found by Cheapflights users on 6/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:15 amSEA - BLL
2 stops21h 15mAir Canada
Sat 11/810:35 amBLL - SEA
3 stops20h 31mAir Canada
Deal found 6/30$579
This Justfly.com deal was found by Cheapflights users on 6/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:50 pmSEA - BLL
1 stop19h 25mMultiple Airlines
Sat 10/186:00 amBLL - SEA
2 stops17h 16mMultiple Airlines
Deal found 6/30$607
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/212:00 pmSEA - BLL
1 stop14h 20mUnited Airlines
Thu 11/276:35 amBLL - SEA
2 stops24h 21mUnited Airlines
Deal found 6/30$619
This Lufthansa deal was found by Cheapflights users on 7/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:00 amSEA - BLL
2 stops18h 10mLufthansa
Sat 10/186:00 amBLL - SEA
2 stops23h 44mLufthansa
Deal found 7/1$627
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:24 amSEA - BLL
2 stops25h 56mAmerican Airlines
Thu 11/271:00 pmBLL - SEA
2 stops30h 15mAmerican Airlines
Deal found 6/30$1,279

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 July 1, 2025.
Use the filters below to find and compare flights from Seattle to Billund that are best for you.

Fly from

Seattle

Fly to

Billund

Route

Depart

Return

Price

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 10/29

7:50 pm-7:50 pm

1 stop16h 00m

Billund

Sat 11/8

1:05 pm-11:15 pm

2 stops19h 10m

$552

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 10/29

3:00 pm-2:00 pm

1 stop15h 00m

Billund

Sat 11/8

6:30 am-11:25 am

1 stop13h 55m

$558

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 8/14

7:10 am-9:35 am

2 stops17h 25m

Billund

Thu 8/21

6:45 am-11:15 am

1 stop13h 30m

$575

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 10/29

8:15 am-1:30 pm

2 stops21h 15m

Billund

Sat 11/8

10:35 am-10:06 pm

3 stops20h 31m

$579

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 10/8

6:50 pm-11:15 pm

1 stop19h 25m

Billund

Sat 10/18

6:00 am-2:16 pm

2 stops17h 16m

$607

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 11/21

2:00 pm-1:20 pm

1 stop14h 20m

Billund

Thu 11/27

6:35 am-9:56 pm

2 stops24h 21m

$619

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 10/8

7:00 am-10:10 am

2 stops18h 10m

Billund

Sat 10/18

6:00 am-8:44 pm

2 stops23h 44m

$627

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 11/20

1:24 am-12:20 pm

2 stops25h 56m

Billund

Thu 11/27

1:00 pm-10:15 am

2 stops30h 15m

$1,279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 time of day to fly from SEA to BLL?

Find hourly flight availability from Seattle to Billund. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Billund in the morning. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the afternoon.

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 July 1, 2025.
Peruse reviews from past customers who have flown with Delta, Air France, and WestJet 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
8.0
Very good
7,974 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,974 reviews
Delta
8.0
Very good
7,974 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,472 reviews
Delta
8.0
Very good
7,974 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,909 reviews
Delta
8.0
Very good
7,974 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Air France, at $571, was found to be the cheapest airline from Seattle to Billund. An alternate airline flying to your destination would be Delta. Air France is priced at 21% 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, January is the cheapest month in which you can book a flight from Seattle to Billund (average of $564). Flying from Seattle to Billund in June is currently the most expensive (average of $1,053). 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

Browse thousands of different options on Cheapflights for your next trip

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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$366Average$741FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$562Average$672FlexibilityNo cancel feeOn-time76%
KLMCheapest$582Average$622FlexibilityNo cancel feeOn-time75%

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