$291+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLL
May 20 — May 271
Round-trip
1 adult, Economy
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Best
Last-minute
One-way
Cheapest flights from Seattle to BillundExplore 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 April 20, 2026.
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 April 20, 2026.
This Ticket deal was found by Cheapflights users on 4/19. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:00 pm
SEA
- BLL
1 stop17h 35m
Icelandair
Mon 5/1110:35 pm
BLL
- SEA
1 stop31h 05m
Icelandair
Deal found 4/19![Icelandair logo]()
$468
This Delta deal was found by Cheapflights users on 4/19. 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.
Sun 5/36:00 am
SEA
- BLL
2 stops22h 30m
Delta
Mon 5/112:20 pm
BLL
- SEA
1 stop30h 22m
Delta
Deal found 4/19![Delta logo]()
$563
This Air France deal was found by Cheapflights users on 4/16. 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 stop17h 55m
Air France
Thu 7/96:40 am
BLL
- SEA
1 stop13h 35m
Air France
Deal found 4/16![Air France logo]()
$722
This Air France deal was found by Cheapflights users on 4/19. 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.
Tue 9/151:50 pm
SEA
- BLL
1 stop12h 10m
Air France
Tue 10/66:00 am
BLL
- SEA
1 stop14h 52m
Air France
Deal found 4/19![Air France logo]()
$778
This Mytrip deal was found by Cheapflights users on 4/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:40 pm
SEA
- BLL
3 stops33h 05m
Multiple Airlines
Tue 10/610:40 am
BLL
- SEA
1 stop33h 55m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$802
This Priceline deal was found by Cheapflights users on 4/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:24 pm
SEA
- BLL
2 stops21h 26m
British Airways
Tue 10/610:40 am
BLL
- SEA
1 stop33h 55m
British Airways
Deal found 4/19![British Airways logo]()
$817
This Scandinavian Airlines deal was found by Cheapflights users on 4/18. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:55 pm
SEA
- BLL
1 stop33h 40m
Scandinavian Airlines
Thu 10/89:05 pm
BLL
- SEA
1 stop25h 40m
Scandinavian Airlines
Deal found 4/18![Scandinavian Airlines logo]()
$840
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Mon 5/47:36 pm
SEA
- BLL
2 stops33h 44m
United Airlines
Thu 5/710:25 am
BLL
- SEA
2 stops21h 34m
United Airlines
Deal found 4/15![United Airlines logo]()
$875
Best flights from Seattle to BillundDiscover carefully curated flight deals from Seattle to Billund that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 20, 2026.
Discover carefully curated flight deals from Seattle to Billund that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 20, 2026.
This Delta deal was found by Cheapflights users on 4/19. 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.
Sun 5/37:15 am
SEA
- BLL
2 stops17h 20m
Delta
Mon 5/116:00 am
BLL
- SEA
2 stops25h 48m
Delta
Deal found 4/19![Delta logo]()
$569
This Air France deal was found by Cheapflights users on 4/16. 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 stop17h 55m
Air France
Thu 7/96:40 am
BLL
- SEA
1 stop13h 35m
Air France
Deal found 4/16![Air France logo]()
$722
This Scandinavian Airlines deal was found by Cheapflights users on 4/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:55 pm
SEA
- BLL
1 stop33h 40m
Scandinavian Airlines
Thu 10/89:05 pm
BLL
- SEA
1 stop25h 40m
Scandinavian Airlines
Deal found 4/17![Scandinavian Airlines logo]()
$840
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Mon 5/42:10 pm
SEA
- BLL
1 stop15h 00m
United Airlines
Thu 5/710:25 am
BLL
- SEA
2 stops22h 34m
United Airlines
Deal found 4/15![United Airlines logo]()
$890
This Delta deal was found by Cheapflights users on 4/16. 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 6/291:30 pm
SEA
- BLL
1 stop12h 50m
Delta
Thu 7/96:00 am
BLL
- SEA
2 stops17h 00m
Delta
Deal found 4/16![Delta logo]()
$911
This United Airlines deal was found by Cheapflights users on 4/18. 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.
Sun 10/47:00 am
SEA
- BLL
2 stops26h 00m
United Airlines
Thu 10/810:25 am
BLL
- SEA
1 stop34h 55m
United Airlines
Deal found 4/18![United Airlines logo]()
$958
Last-minute flights from Seattle to BillundDiscover last-minute flight deals from Seattle to Billund. Data last updated April 20, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Billund. Data last updated April 20, 2026 and is based on user searches.
This Ticket deal was found by Cheapflights users on 4/19. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:00 pm
SEA
- BLL
1 stop17h 35m
Icelandair
Mon 5/1110:35 pm
BLL
- SEA
1 stop31h 05m
Icelandair
Deal found 4/19![Icelandair logo]()
$468
This Delta deal was found by Cheapflights users on 4/19. 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.
Sun 5/36:00 am
SEA
- BLL
2 stops22h 30m
Delta
Mon 5/112:20 pm
BLL
- SEA
1 stop30h 22m
Delta
Deal found 4/19![Delta logo]()
$563
This Mytrip deal was found by Cheapflights users on 4/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:00 pm
SEA
- BLL
2 stops15h 05m
Multiple Airlines
Mon 5/117:55 am
BLL
- SEA
3 stops21h 45m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$968
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Mon 5/47:36 pm
SEA
- BLL
2 stops33h 44m
United Airlines
Thu 5/710:25 am
BLL
- SEA
2 stops21h 34m
United Airlines
Deal found 4/15![United Airlines logo]()
$875
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/152:10 pm
SEA
- BLL
1 stop34h 50m
United Airlines
Wed 5/276:00 am
BLL
- SEA
1 stop15h 20m
United Airlines
Deal found 4/19![United Airlines logo]()
$1,405
One-way flights from Seattle to BillundSearch for one-way flight options from Seattle to Billund. Find affordable one-way fares based on user searches. Data last updated April 20, 2026.
Search for one-way flight options from Seattle to Billund. Find affordable one-way fares based on user searches. Data last updated April 20, 2026.
This oojo deal was found by Cheapflights users on 4/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3011:25 pm
SEA
- BLL
1 stop13h 10m
Icelandair
Deal found 4/15![Icelandair logo]()
$291
This Delta deal was found by Cheapflights users on 4/19. 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.
Tue 5/191:30 pm
SEA
- BLL
1 stop12h 50m
Delta
Deal found 4/19![Delta logo]()
$334
This Air France deal was found by Cheapflights users on 4/19. 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 5/186:40 pm
SEA
- BLL
1 stop31h 40m
Air France
Deal found 4/19![Air France logo]()
$336
This Air France deal was found by Cheapflights users on 4/19. 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 5/201:45 pm
SEA
- BLL
1 stop12h 15m
Air France
Deal found 4/19![Air France logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:00 pm
SEA
- BLL
2 stops41h 00m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$353
This Air France deal was found by Cheapflights users on 4/19. 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.
Thu 5/211:45 pm
SEA
- BLL
1 stop14h 45m
Air France
Deal found 4/19![Air France logo]()
$356
This Delta deal was found by Cheapflights users on 4/19. 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.
Wed 5/205:40 pm
SEA
- BLL
2 stops31h 50m
Delta
Deal found 4/19![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 4/19. 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 5/211:45 pm
SEA
- BLL
2 stops35h 05m
Delta
Deal found 4/19![Delta logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/223:40 pm
SEA
- BLL
3 stops33h 25m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$452
This KLM deal was found by Cheapflights users on 4/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:45 pm
SEA
- BLL
1 stop12h 10m
KLM
Deal found 4/19![KLM logo]()
$485
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 April 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $468 (Ticket) |
One-way from | $291 (oojo) |
Popular in | January |
Cheapest in | February |
Average price | $716 |
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 April 20, 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
Cheapest round-trip
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sun 5/3
7:15 am-9:35 am
2 stops17h 20m
Billund
Mon 5/11
6:00 am-10:48 pm
2 stops25h 48m
$569
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Mon 6/29
1:30 pm-4:25 pm
1 stop17h 55m
Billund
Thu 7/9
6:40 am-11:15 am
1 stop13h 35m
$722
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sun 10/4
3:55 pm-10:35 am
1 stop33h 40m
Billund
Thu 10/8
9:05 pm-1:45 pm
1 stop25h 40m
$840
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Mon 5/4
2:10 pm-2:10 pm
1 stop15h 00m
Billund
Thu 5/7
10:25 am-11:59 pm
2 stops22h 34m
$890
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-2:00 pm
2 stops17h 00m
$911
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sun 10/4
7:00 am-6:00 pm
2 stops26h 00m
Billund
Thu 10/8
10:25 am-12:20 pm
1 stop34h 55m
$958
Cheapest one-way
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Tue 5/19
1:30 pm-11:20 am
1 stop12h 50m
$334
Quickest one-way
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Wed 5/20
1:45 pm-11:00 am
1 stop12h 15m
$346
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Wed 5/20
5:40 pm-10:30 am
2 stops31h 50m
$367
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Thu 5/21
1:45 pm-9:50 am
2 stops35h 05m
$377
Showing 1-10 of 14 resultsSorted 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.
SEA-BLL
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 April 20, 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.
Overall
7.9
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
Traveling to a place near Billund?
Book flights to Billund if you plan to visit one of these locationsVejle
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Seattle and Billund flights
Browse other Seattle and Billund flight options. Last updated on April 20, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on April 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$332 | Average$606 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$421 | Average$822 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$597 | Average$762 | FlexibilityNo cancel fee | On-time76% |