$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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLL
Aug 3 — Aug 101
Round-trip
1 adult, Economy
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Best
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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 July 4, 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 July 4, 2026.
This Ticket deal was found by Cheapflights users on 6/29. 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.
Sat 8/1511:25 pm
SEA
- BLL
1 stop12h 45m
Icelandair
Wed 8/1910:35 pm
BLL
- SEA
1 stop22h 10m
Icelandair
Deal found 6/29![Icelandair logo]()
$583
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:05 pm
SEA
- BLL
1 stop22h 40m
Air France
Wed 11/116:00 am
BLL
- SEA
1 stop14h 47m
Air France
Deal found 7/1![Air France logo]()
$596
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.
Wed 11/411:05 am
SEA
- BLL
2 stops18h 20m
Delta
Wed 11/116:00 am
BLL
- SEA
1 stop14h 47m
Delta
Deal found 7/1![Delta logo]()
$600
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:40 pm
SEA
- BLL
1 stop18h 45m
Air France
Sun 8/234:00 pm
BLL
- SEA
1 stop28h 37m
Air France
Deal found 7/1![Air France logo]()
$605
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.
Sun 8/161:30 pm
SEA
- BLL
1 stop12h 50m
Delta
Sun 8/236:00 am
BLL
- SEA
2 stops20h 00m
Delta
Deal found 7/1![Delta logo]()
$653
This Air France deal was found by Cheapflights users on 7/2. 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.
Sat 8/15:45 pm
SEA
- BLL
1 stop15h 10m
Multiple Airlines
Sat 8/810:15 am
BLL
- SEA
1 stop15h 12m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$685
This Delta deal was found by Cheapflights users on 6/29. 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.
Sat 8/157:15 am
SEA
- BLL
2 stops17h 20m
Delta
Wed 8/1911:45 am
BLL
- SEA
1 stop13h 42m
Delta
Deal found 6/29![Delta logo]()
$689
This Ticket deal was found by Cheapflights users on 6/29. 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.
Wed 7/151:45 pm
SEA
- BLL
1 stop14h 45m
Air France
Sun 7/194:00 pm
BLL
- SEA
1 stop28h 33m
Air France
Deal found 6/29![Air France logo]()
$698
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:30 pm
SEA
- BLL
1 stop12h 50m
Delta
Sat 8/811:40 am
BLL
- SEA
1 stop13h 47m
Delta
Deal found 6/30![Delta logo]()
$707
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 July 4, 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 July 4, 2026.
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:05 pm
SEA
- BLL
1 stop22h 40m
Air France
Wed 11/116:00 am
BLL
- SEA
1 stop14h 47m
Air France
Deal found 7/1![Air France logo]()
$596
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.
Wed 11/411:05 am
SEA
- BLL
2 stops18h 20m
Delta
Wed 11/116:00 am
BLL
- SEA
1 stop14h 47m
Delta
Deal found 7/1![Delta logo]()
$600
This United Airlines deal was found by Cheapflights users on 6/29. 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 8/132:10 pm
SEA
- BLL
1 stop19h 05m
United Airlines
Thu 8/206:00 am
BLL
- SEA
1 stop14h 55m
United Airlines
Deal found 6/29![United Airlines logo]()
$756
This Delta deal was found by Cheapflights users on 6/29. 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.
Sat 8/157:15 am
SEA
- BLL
2 stops17h 20m
Delta
Wed 8/1911:45 am
BLL
- SEA
1 stop13h 42m
Delta
Deal found 6/29![Delta logo]()
$689
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 8/142:10 pm
SEA
- BLL
1 stop15h 15m
United Airlines
Fri 8/216:00 am
BLL
- SEA
1 stop14h 55m
United Airlines
Deal found 6/30![United Airlines logo]()
$756
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.
Sun 8/167:15 am
SEA
- BLL
2 stops17h 20m
Delta
Sun 8/236:00 am
BLL
- SEA
2 stops20h 00m
Delta
Deal found 7/1![Delta logo]()
$699
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/1611:00 pm
SEA
- BLL
2 stops26h 05m
United Airlines
Sun 8/236:00 am
BLL
- SEA
2 stops19h 07m
United Airlines
Deal found 7/2![United Airlines logo]()
$771
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:28 pm
SEA
- BLL
2 stops39h 52m
United Airlines
Wed 11/116:35 am
BLL
- SEA
3 stops25h 41m
United Airlines
Deal found 7/1![United Airlines logo]()
$771
Last-minute flights from Seattle to BillundDiscover last-minute flight deals from Seattle to Billund. Data last updated July 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Billund. Data last updated July 4, 2026 and is based on user searches.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:20 pm
SEA
- BLL
2 stops28h 00m
Delta
Sat 8/86:00 am
BLL
- SEA
1 stop14h 37m
Delta
Deal found 6/30![Delta logo]()
$711
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:20 pm
SEA
- BLL
2 stops28h 00m
Delta
Wed 8/56:00 am
BLL
- SEA
2 stops26h 11m
Delta
Deal found 6/30![Delta logo]()
$721
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:30 pm
SEA
- BLL
1 stop12h 50m
Delta
Mon 8/32:20 pm
BLL
- SEA
1 stop30h 17m
Delta
Deal found 6/30![Delta logo]()
$707
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/51:30 pm
SEA
- BLL
1 stop12h 50m
Delta
Wed 8/56:00 am
BLL
- SEA
2 stops26h 11m
Delta
Deal found 6/30![Delta logo]()
$717
This Ticket deal was found by Cheapflights users on 6/29. 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.
Wed 7/151:45 pm
SEA
- BLL
1 stop14h 45m
Air France
Sun 7/194:00 pm
BLL
- SEA
1 stop28h 33m
Air France
Deal found 6/29![Air France logo]()
$698
This Air France deal was found by Cheapflights users on 7/2. 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.
Sat 8/15:45 pm
SEA
- BLL
1 stop15h 10m
Multiple Airlines
Sat 8/810:15 am
BLL
- SEA
1 stop15h 12m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$685
This Ticket deal was found by Cheapflights users on 6/29. 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.
Sat 8/1511:25 pm
SEA
- BLL
1 stop12h 45m
Icelandair
Wed 8/1910:35 pm
BLL
- SEA
1 stop22h 10m
Icelandair
Deal found 6/29![Icelandair logo]()
$583
This Delta deal was found by Cheapflights users on 6/29. 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.
Sat 8/157:15 am
SEA
- BLL
2 stops17h 20m
Delta
Wed 8/1911:45 am
BLL
- SEA
1 stop13h 42m
Delta
Deal found 6/29![Delta logo]()
$689
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:40 pm
SEA
- BLL
1 stop18h 45m
Air France
Sun 8/234:00 pm
BLL
- SEA
1 stop28h 37m
Air France
Deal found 7/1![Air France logo]()
$605
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.
Sun 8/161:30 pm
SEA
- BLL
1 stop12h 50m
Delta
Sun 8/236:00 am
BLL
- SEA
2 stops20h 00m
Delta
Deal found 7/1![Delta logo]()
$653
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 July 4, 2026.
Search for one-way flight options from Seattle to Billund. Find affordable one-way fares based on user searches. Data last updated July 4, 2026.
This oojo deal was found by Cheapflights users on 7/3. 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 8/167:00 pm
SEA
- BLL
1 stop17h 35m
Icelandair
Deal found 7/3![Icelandair logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/163:40 pm
SEA
- BLL
3 stops40h 05m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$328
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/162:10 pm
SEA
- BLL
1 stop34h 55m
United Airlines
Deal found 7/3![United Airlines logo]()
$467
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 July 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $583 (Ticket) |
One-way from | $289 (oojo) |
Popular in | September |
Cheapest in | February |
Average price | $688 |
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 4, 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
Wed 11/4
2:05 pm-9:45 pm
1 stop22h 40m
Billund
Wed 11/11
6:00 am-11:47 am
1 stop14h 47m
$596
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Wed 11/4
11:05 am-2:25 pm
2 stops18h 20m
Billund
Wed 11/11
6:00 am-11:47 am
1 stop14h 47m
$600
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sat 8/15
7:15 am-9:35 am
2 stops17h 20m
Billund
Wed 8/19
11:45 am-4:27 pm
1 stop13h 42m
$689
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sun 8/16
7:15 am-9:35 am
2 stops17h 20m
Billund
Sun 8/23
6:00 am-5:00 pm
2 stops20h 00m
$699
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Thu 8/13
2:10 pm-6:15 pm
1 stop19h 05m
Billund
Thu 8/20
6:00 am-11:55 am
1 stop14h 55m
$756
Quickest round-trip
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Fri 8/14
2:10 pm-2:25 pm
1 stop15h 15m
Billund
Fri 8/21
6:00 am-11:55 am
1 stop14h 55m
$756
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sun 8/16
11:00 pm-10:05 am
2 stops26h 05m
Billund
Sun 8/23
6:00 am-4:07 pm
2 stops19h 07m
$771
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Wed 11/4
5:28 pm-6:20 pm
2 stops39h 52m
Billund
Wed 11/11
6:35 am-11:16 pm
3 stops25h 41m
$771
Cheapest one-way
Quickest one-way
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sun 8/16
7:00 pm-9:35 pm
1 stop17h 35m
$289
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sun 8/16
7:00 pm-5:00 pm
2 stops37h 00m
$377
Showing 1-10 of 11 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
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 4, 2026.
Peruse reviews from past customers who have flown with Delta 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
Comfort
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Comfort
7.8
Entertainment
7.8
Boarding
8.1
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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Book flights to Billund if you plan to visit one of these locationsVejle
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Seattle and Billund flights
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Seattle to Billund
Discover the top airline 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$421 | Average$822 | FlexibilityNo cancel fee | On-timeN/A |