$289+ 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 6/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLL
Jun 11 — Jun 181
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 May 12, 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 May 12, 2026.
This oojo deal was found by Cheapflights users on 5/11. 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 5/263:40 pm
SEA
- BLL
1 stop20h 55m
Icelandair
Mon 6/110:35 pm
BLL
- SEA
1 stop22h 10m
Icelandair
Deal found 5/11![Icelandair logo]()
$609
This Air France deal was found by Cheapflights users on 5/12. 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.
Mon 6/296:50 pm
SEA
- BLL
1 stop18h 35m
Air France
Thu 7/96:40 am
BLL
- SEA
1 stop13h 35m
Air France
Deal found 5/12![Air France logo]()
$674
This KLM deal was found by Cheapflights users on 5/8. 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.
Tue 8/41:30 pm
SEA
- BLL
1 stop12h 50m
Multiple Airlines
Thu 8/134:15 pm
BLL
- SEA
1 stop28h 22m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$676
This Delta deal was found by Cheapflights users on 5/10. 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 5/311:45 pm
SEA
- BLL
1 stop12h 15m
Delta
Thu 6/46:00 am
BLL
- SEA
1 stop19h 24m
Delta
Deal found 5/10![Delta logo]()
$687
This Delta deal was found by Cheapflights users on 5/11. 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 5/266:00 am
SEA
- BLL
2 stops20h 00m
Delta
Mon 6/16:00 am
BLL
- SEA
1 stop14h 37m
Delta
Deal found 5/11![Delta logo]()
$690
This Delta deal was found by Cheapflights users on 5/8. 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 8/47:15 am
SEA
- BLL
2 stops17h 20m
Delta
Thu 8/136:40 am
BLL
- SEA
1 stop13h 35m
Delta
Deal found 5/8![Delta logo]()
$693
This oojo deal was found by Cheapflights users on 5/11. 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.
Sun 6/287:00 pm
SEA
- BLL
1 stop17h 35m
Icelandair
Wed 7/810:35 pm
BLL
- SEA
1 stop22h 10m
Icelandair
Deal found 5/11![Icelandair logo]()
$726
This oojo deal was found by Cheapflights users on 5/11. 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 5/263:55 pm
SEA
- BLL
2 stops17h 45m
Scandinavian Airlines
Mon 6/17:15 pm
BLL
- SEA
2 stops27h 30m
Scandinavian Airlines
Deal found 5/11![Scandinavian Airlines logo]()
$733
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 6/283:55 pm
SEA
- BLL
1 stop32h 30m
Scandinavian Airlines
Wed 7/85:15 pm
BLL
- SEA
2 stops35h 34m
Scandinavian Airlines
Deal found 5/10![Scandinavian Airlines logo]()
$763
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 May 12, 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 May 12, 2026.
This Air France deal was found by Cheapflights users on 5/12. 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.
Mon 6/296:50 pm
SEA
- BLL
1 stop18h 35m
Air France
Thu 7/96:40 am
BLL
- SEA
1 stop13h 35m
Air France
Deal found 5/12![Air France logo]()
$674
This Delta deal was found by Cheapflights users on 5/10. 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 5/311:45 pm
SEA
- BLL
1 stop12h 15m
Delta
Thu 6/46:00 am
BLL
- SEA
1 stop19h 24m
Delta
Deal found 5/10![Delta logo]()
$687
This oojo deal was found by Cheapflights users on 5/11. 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.
Sun 6/287:00 pm
SEA
- BLL
1 stop17h 35m
Icelandair
Wed 7/810:35 pm
BLL
- SEA
1 stop22h 10m
Icelandair
Deal found 5/11![Icelandair logo]()
$726
This oojo deal was found by Cheapflights users on 5/11. 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 5/263:55 pm
SEA
- BLL
2 stops17h 45m
Scandinavian Airlines
Mon 6/17:15 pm
BLL
- SEA
2 stops27h 30m
Scandinavian Airlines
Deal found 5/11![Scandinavian Airlines logo]()
$733
This United Airlines deal was found by Cheapflights users on 5/8. 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 8/211:11 pm
SEA
- BLL
2 stops29h 59m
United Airlines
Sat 9/266:00 am
BLL
- SEA
1 stop14h 55m
United Airlines
Deal found 5/8![United Airlines logo]()
$796
This Delta deal was found by Cheapflights users on 5/8. 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 8/47:15 am
SEA
- BLL
2 stops17h 20m
Delta
Thu 8/1310:15 am
BLL
- SEA
2 stops18h 48m
Delta
Deal found 5/8![Delta logo]()
$735
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 6/283:55 pm
SEA
- BLL
1 stop32h 30m
Scandinavian Airlines
Wed 7/85:15 pm
BLL
- SEA
2 stops35h 34m
Scandinavian Airlines
Deal found 5/10![Scandinavian Airlines logo]()
$763
Last-minute flights from Seattle to BillundDiscover last-minute flight deals from Seattle to Billund. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Billund. Data last updated May 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/11. 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 stop19h 00m
United Airlines
Wed 5/276:00 am
BLL
- SEA
1 stop15h 20m
United Airlines
Deal found 5/11![United Airlines logo]()
$823
This oojo deal was found by Cheapflights users on 5/11. 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 5/263:40 pm
SEA
- BLL
1 stop20h 55m
Icelandair
Mon 6/110:35 pm
BLL
- SEA
1 stop22h 10m
Icelandair
Deal found 5/11![Icelandair logo]()
$609
This Delta deal was found by Cheapflights users on 5/11. 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 5/266:00 am
SEA
- BLL
2 stops20h 00m
Delta
Mon 6/16:00 am
BLL
- SEA
1 stop14h 37m
Delta
Deal found 5/11![Delta logo]()
$690
This oojo deal was found by Cheapflights users on 5/11. 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 5/263:55 pm
SEA
- BLL
2 stops17h 45m
Scandinavian Airlines
Mon 6/17:15 pm
BLL
- SEA
2 stops27h 30m
Scandinavian Airlines
Deal found 5/11![Scandinavian Airlines logo]()
$733
This Delta deal was found by Cheapflights users on 5/10. 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 5/311:45 pm
SEA
- BLL
1 stop12h 15m
Delta
Thu 6/46:00 am
BLL
- SEA
1 stop19h 24m
Delta
Deal found 5/10![Delta logo]()
$687
This oojo deal was found by Cheapflights users on 5/11. 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.
Sun 6/287:00 pm
SEA
- BLL
1 stop17h 35m
Icelandair
Wed 7/810:35 pm
BLL
- SEA
1 stop22h 10m
Icelandair
Deal found 5/11![Icelandair logo]()
$726
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 6/283:55 pm
SEA
- BLL
1 stop32h 30m
Scandinavian Airlines
Wed 7/85:15 pm
BLL
- SEA
2 stops35h 34m
Scandinavian Airlines
Deal found 5/10![Scandinavian Airlines logo]()
$763
This Air France deal was found by Cheapflights users on 5/12. 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.
Mon 6/296:50 pm
SEA
- BLL
1 stop18h 35m
Air France
Thu 7/96:40 am
BLL
- SEA
1 stop13h 35m
Air France
Deal found 5/12![Air France logo]()
$674
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 May 12, 2026.
Search for one-way flight options from Seattle to Billund. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This Air France deal was found by Cheapflights users on 5/8. 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 6/221:30 pm
SEA
- BLL
1 stop12h 50m
Air France
Deal found 5/8![Air France logo]()
$289
This Cheapflightsfares deal was found by Cheapflights users on 5/8. 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.
Mon 6/2210:45 am
SEA
- BLL
2 stops22h 45m
Lufthansa
Deal found 5/8![Lufthansa logo]()
$611
This United Airlines deal was found by Cheapflights users on 5/8. 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 6/2210:29 am
SEA
- BLL
3 stops23h 01m
United Airlines
Deal found 5/8![United Airlines logo]()
$619
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 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $609 (oojo) |
One-way from | $289 (Air France) |
Popular in | January |
Cheapest in | February |
Average price | $611 |
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 12, 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
Mon 6/29
6:50 pm-10:25 pm
1 stop18h 35m
Billund
Thu 7/9
6:40 am-11:15 am
1 stop13h 35m
$674
Quickest round-trip
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sun 5/31
1:45 pm-11:00 am
1 stop12h 15m
Billund
Thu 6/4
6:00 am-4:24 pm
1 stop19h 24m
$687
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sun 6/28
7:00 pm-9:35 pm
1 stop17h 35m
Billund
Wed 7/8
10:35 pm-11:45 am
1 stop22h 10m
$726
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Tue 5/26
3:55 pm-6:40 pm
2 stops17h 45m
Billund
Mon 6/1
7:15 pm-1:45 pm
2 stops27h 30m
$733
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Tue 8/4
7:15 am-9:35 am
2 stops17h 20m
Billund
Thu 8/13
10:15 am-8:03 pm
2 stops18h 48m
$735
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sun 6/28
3:55 pm-9:25 am
1 stop32h 30m
Billund
Wed 7/8
5:15 pm-7:49 pm
2 stops35h 34m
$763
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sun 8/2
11:11 pm-2:10 pm
2 stops29h 59m
Billund
Sat 9/26
6:00 am-11:55 am
1 stop14h 55m
$796
Cheapest one-way
Quickest one-way
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Mon 6/22
1:30 pm-11:20 am
1 stop12h 50m
$289
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Mon 6/22
10:45 am-6:30 pm
2 stops22h 45m
$611
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Mon 6/22
10:29 am-6:30 pm
3 stops23h 01m
$619
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.
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
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 12, 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.
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Overall
7.9
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.
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 May 12, 2026.
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Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on May 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 2,558,603 searches. Data last updated May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$332 | Average$606 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$421 | Average$1,212 | FlexibilityNo cancel fee | On-timeN/A |