$588+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLL
Oct 10 — Oct 171
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 10, 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 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:55 pm -
1 stop33h 30m
Tue 10/139:05 pm -
2 stops31h 59m
Deal found 9/8![Scandinavian Airlines logo]()
$588
This Delta deal was found by Cheapflights users on 9/8. 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 10/61:30 pm -
1 stop12h 50m
Tue 10/136:00 am -
1 stop14h 52m
Deal found 9/8![Delta logo]()
$602
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:59 pm -
2 stops27h 01m
Tue 10/136:00 am -
2 stops23h 16m
Deal found 9/8![KLM logo]()
$621
This oojo deal was found by Cheapflights users on 9/7. 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.
Fri 9/253:55 pm -
1 stop33h 10m
Fri 10/23:40 pm -
1 stop31h 05m
Deal found 9/7![Scandinavian Airlines logo]()
$663
This Mytrip deal was found by Cheapflights users on 9/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:10 pm -
3 stops35h 15m
Tue 10/137:35 pm -
3 stops31h 57m
Deal found 9/8![Multiple Airlines logo]()
$780
This Travelocity deal was found by Cheapflights users on 9/6. 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.
Mon 12/1410:39 am -
2 stops25h 06m
Mon 1/43:35 pm -
2 stops39h 27m
Deal found 9/6![Scandinavian Airlines logo]()
$800
This Cheapflightsfares deal was found by Cheapflights users on 9/6. 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 12/146:45 pm -
1 stop15h 05m
Mon 1/48:55 pm -
1 stop23h 30m
Deal found 9/6![British Airways logo]()
$860
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/2511:14 pm -
2 stops25h 46m
Fri 10/26:00 am -
3 stops41h 49m
Deal found 9/7![United Airlines logo]()
$946
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/288:25 am -
2 stops16h 40m
Sat 10/103:00 pm -
1 stop30h 20m
Deal found 9/9![United Airlines logo]()
$1,038
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 10, 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 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:55 pm -
1 stop33h 30m
Tue 10/139:05 pm -
2 stops31h 59m
Deal found 9/8![Scandinavian Airlines logo]()
$588
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:59 pm -
2 stops27h 01m
Tue 10/136:00 am -
2 stops23h 16m
Deal found 9/8![KLM logo]()
$621
This United Airlines deal was found by Cheapflights users on 9/9. 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 2/56:35 am -
2 stops25h 56m
Deal found 9/9![United Airlines logo]()
$776
This oojo deal was found by Cheapflights users on 9/7. 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.
Fri 9/253:55 pm -
1 stop33h 10m
Fri 10/27:35 pm -
2 stops27h 10m
Deal found 9/7![Scandinavian Airlines logo]()
$663
This Scandinavian Airlines deal was found by Cheapflights users on 9/8. 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 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 9/8![Scandinavian Airlines logo]()
$714
Last-minute flights from Seattle to BillundDiscover last-minute flight deals from Seattle to Billund. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Billund. Data last updated September 10, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 9/7. 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.
Fri 9/253:55 pm -
1 stop33h 10m
Fri 10/23:40 pm -
1 stop31h 05m
Deal found 9/7![Scandinavian Airlines logo]()
$663
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/2511:14 pm -
2 stops25h 46m
Fri 10/26:00 am -
3 stops41h 49m
Deal found 9/7![United Airlines logo]()
$946
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/288:25 am -
2 stops16h 40m
Sat 10/103:00 pm -
1 stop30h 20m
Deal found 9/9![United Airlines logo]()
$1,038
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:55 pm -
1 stop33h 30m
Tue 10/139:05 pm -
2 stops31h 59m
Deal found 9/8![Scandinavian Airlines logo]()
$588
This Delta deal was found by Cheapflights users on 9/8. 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 10/61:30 pm -
1 stop12h 50m
Tue 10/136:00 am -
1 stop14h 52m
Deal found 9/8![Delta logo]()
$602
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:59 pm -
2 stops27h 01m
Tue 10/136:00 am -
2 stops23h 16m
Deal found 9/8![KLM logo]()
$621
This Mytrip deal was found by Cheapflights users on 9/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:10 pm -
3 stops35h 15m
Tue 10/137:35 pm -
3 stops31h 57m
Deal found 9/8![Multiple Airlines logo]()
$780
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 10, 2026.
Search for one-way flight options from Seattle to Billund. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:52 am -
3 stops43h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$2,071
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:15 pm -
3 stops53h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$2,179
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:52 am -
3 stops41h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$2,464
This AranGrant deal was found by Cheapflights users on 9/8. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:10 pm -
1 stop18h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Lufthansa logo]()
$3,525
This AranGrant deal was found by Cheapflights users on 9/8. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:10 pm -
1 stop14h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Lufthansa logo]()
$3,640
This AranGrant deal was found by Cheapflights users on 9/8. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:10 pm -
1 stop15h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Lufthansa logo]()
$4,039
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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $588 (Kiwi.com) |
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 10, 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 Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Tue 10/6
3:55 pm-10:25 am
1 stop33h 30m
Billund
Tue 10/13
9:05 pm-8:04 pm
2 stops31h 59m
$588
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Tue 10/6
10:59 pm-11:00 am
2 stops27h 01m
Billund
Tue 10/13
6:00 am-8:16 pm
2 stops23h 16m
$621
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Fri 9/25
3:55 pm-10:05 am
1 stop33h 10m
Billund
Fri 10/2
7:35 pm-1:45 pm
2 stops27h 10m
$663
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
Mon 2/1
1:50 pm-6:20 pm
1 stop19h 30m
Billund
Fri 2/5
6:35 am-11:31 pm
2 stops25h 56m
$776
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Tue 9/15
7:52 am-12:15 pm
3 stops43h 23m
Billund
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$2,071
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Thu 9/17
11:15 pm-1:40 pm
3 stops53h 25m
Billund
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$2,179
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Wed 9/16
2:10 pm-5:50 pm
1 stop18h 40m
Billund
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$3,525
Quickest round-trip
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Thu 9/17
2:10 pm-2:00 pm
1 stop14h 50m
Billund
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$3,640
SeattleBillund
SEA Seattle/Tacoma Intl - BLL Billund
SEABLL
Seattle/Tacoma Intl
Tue 9/15
2:10 pm-2:20 pm
1 stop15h 10m
Billund
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$4,039
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.
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 10, 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.
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Comfort
7.8
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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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 September 10, 2026.
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Popular flight searches
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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 10, 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% |