$626+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLL
Oct 16 — Oct 231
Round-trip
1 adult, Economy
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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 September 16, 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 September 16, 2026.
This Air France deal was found by Cheapflights users on 9/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:40 pm -
1 stop18h 45m
Wed 10/2810:25 am -
2 stops17h 51m
Deal found 9/15![Multiple Airlines logo]()
$626
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:42 am -
2 stops18h 58m
Wed 10/2810:25 am -
2 stops17h 51m
Deal found 9/15![Delta logo]()
$642
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/297:00 am -
2 stops18h 50m
Thu 11/56:35 am -
1 stop14h 25m
Deal found 9/14![United Airlines logo]()
$763
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:59 pm -
3 stops27h 16m
Wed 10/2810:55 am -
2 stops20h 18m
Deal found 9/15![Scandinavian Airlines logo]()
$823
This Air France deal was found by Cheapflights users on 9/12. 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.
Fri 12/252:35 pm -
1 stop18h 25m
Fri 1/16:00 am -
1 stop14h 50m
Deal found 9/12![Air France logo]()
$909
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:15 am -
2 stops22h 50m
Fri 1/110:55 am -
2 stops19h 47m
Deal found 9/12![Scandinavian Airlines logo]()
$929
This Expedia deal was found by Cheapflights users on 9/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2312:20 pm -
2 stops41h 40m
Sun 1/39:15 pm -
2 stops33h 11m
Deal found 9/13![Scandinavian Airlines logo]()
$931
This Delta deal was found by Cheapflights users on 9/12. 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.
Fri 12/252:35 pm -
1 stop14h 10m
Fri 1/16:00 am -
2 stops21h 50m
Deal found 9/12![Delta logo]()
$952
This Travelocity deal was found by Cheapflights users on 9/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/242:00 pm -
2 stops35h 25m
Sun 1/33:40 pm -
2 stops38h 46m
Deal found 9/14![Scandinavian Airlines logo]()
$1,010
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 September 16, 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 September 16, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/17:20 am -
2 stops42h 05m
Fri 2/59:15 pm -
2 stops32h 35m
Deal found 9/15![Scandinavian Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/297:00 am -
2 stops18h 50m
Thu 11/56:35 am -
1 stop14h 25m
Deal found 9/14![United Airlines logo]()
$763
This Delta deal was found by Cheapflights users on 9/12. 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.
Fri 12/252:35 pm -
1 stop14h 10m
Fri 1/16:00 am -
2 stops21h 50m
Deal found 9/12![Delta logo]()
$952
This United Airlines deal was found by Cheapflights users on 9/13. 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 2/11:50 pm -
1 stop19h 30m
Fri 2/510:30 am -
2 stops38h 39m
Deal found 9/13![United Airlines logo]()
$776
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:15 am -
2 stops22h 50m
Fri 1/110:55 am -
2 stops19h 47m
Deal found 9/12![Scandinavian Airlines logo]()
$929
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 9/272:10 pm -
1 stop18h 50m
Sun 10/112:45 pm -
1 stop30h 35m
Deal found 9/15![United Airlines logo]()
$1,041
Last-minute flights from Seattle to BillundDiscover last-minute flight deals from Seattle to Billund. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Billund. Data last updated September 16, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 9/272:10 pm -
1 stop18h 50m
Sun 10/112:45 pm -
1 stop30h 35m
Deal found 9/15![United Airlines logo]()
$1,041
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/282:10 pm -
1 stop15h 00m
Sat 10/103:00 pm -
3 stops39h 59m
Deal found 9/15![United Airlines logo]()
$1,051
This Air France deal was found by Cheapflights users on 9/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:40 pm -
1 stop18h 45m
Wed 10/2810:25 am -
2 stops17h 51m
Deal found 9/15![Multiple Airlines logo]()
$626
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:42 am -
2 stops18h 58m
Wed 10/2810:25 am -
2 stops17h 51m
Deal found 9/15![Delta logo]()
$642
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:59 pm -
3 stops27h 16m
Wed 10/2810:55 am -
2 stops20h 18m
Deal found 9/15![Scandinavian Airlines logo]()
$823
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/297:00 am -
2 stops18h 50m
Thu 11/56:35 am -
1 stop14h 25m
Deal found 9/14![United Airlines logo]()
$763
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 September 16, 2026.
Search for one-way flight options from Seattle to Billund. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
This deal was found by Cheapflights users on 9/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:30 pm -
1 stop13h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![British Airways logo]()
$653
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/205:57 pm -
3 stops54h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$1,609
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/146:50 pm -
3 stops36h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$1,616
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1911:10 pm -
3 stops49h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$1,660
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/169:08 am -
3 stops20h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$1,661
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/179:08 am -
3 stops20h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$1,664
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/189:08 am -
3 stops20h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$1,681
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/152:35 pm -
2 stops23h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$1,764
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 September 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $626 (Air France) |
Popular in | September |
Cheapest in | February |
Average price | $890 |
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 7,457,451 searches. Data last updated September 16, 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
Quickest round-trip
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Fri 10/9
1:30 pm-11:45 am
1 stop13h 15m
Billund
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$653
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Mon 2/1
7:20 am-10:25 am
2 stops42h 05m
Billund
Fri 2/5
9:15 pm-8:50 pm
2 stops32h 35m
$714
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Thu 10/29
7:00 am-9:50 am
2 stops18h 50m
Billund
Thu 11/5
6:35 am-12:00 pm
1 stop14h 25m
$763
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Mon 2/1
1:50 pm-6:20 pm
1 stop19h 30m
Billund
Fri 2/5
10:30 am-4:09 pm
2 stops38h 39m
$776
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Fri 12/25
7:15 am-3:05 pm
2 stops22h 50m
Billund
Fri 1/1
10:55 am-9:42 pm
2 stops19h 47m
$929
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Fri 12/25
2:35 pm-1:45 pm
1 stop14h 10m
Billund
Fri 1/1
6:00 am-6:50 pm
2 stops21h 50m
$952
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Sun 9/27
2:10 pm-6:00 pm
1 stop18h 50m
Billund
Sun 10/11
2:45 pm-12:20 pm
1 stop30h 35m
$1,041
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Thu 2/18
9:08 am-3:00 pm
3 stops20h 52m
Billund
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,681
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Fri 2/19
2:50 pm-6:20 pm
2 stops18h 30m
Billund
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$3,631
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Mon 2/15
9:40 pm-12:05 pm
2 stops53h 25m
Billund
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$3,739
Showing 1-10 of 13 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.
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 September 16, 2026.
Peruse reviews from past customers who have flown with Delta and Air France 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.
Boarding
8.1
Overall
7.8
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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Seattle and Billund flights
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Top 2 airlines flying from Seattle to Billund
Discover the top 2 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 7,457,451 searches. Data last updated September 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$473 | Average$677 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$500 | Average$648 | FlexibilityNo cancel fee | On-time77% |