$299+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLL
Sep 3 — Sep 101
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Billund with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Billund
Cheapest
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 August 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 August 4, 2026.
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:55 pm
SEA
- BLL
2 stops17h 45m
Scandinavian Airlines
Sun 9/208:00 pm
BLL
- SEA
2 stops50h 45m
Scandinavian Airlines
Deal found 7/30![Scandinavian Airlines logo]()
$566
This Air France deal was found by Cheapflights users on 8/2. 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.
Sun 8/305:45 pm
SEA
- BLL
1 stop20h 15m
Multiple Airlines
Sun 9/610:15 am
BLL
- SEA
1 stop15h 20m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$568
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/301:30 pm
SEA
- BLL
1 stop12h 50m
Delta
Sun 9/66:40 am
BLL
- SEA
2 stops19h 14m
Delta
Deal found 8/2![Delta logo]()
$627
This Air France deal was found by Cheapflights users on 7/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:45 pm
SEA
- BLL
1 stop20h 15m
Multiple Airlines
Sun 9/206:00 am
BLL
- SEA
1 stop14h 47m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$651
This Delta deal was found by Cheapflights users on 8/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:15 am
SEA
- BLL
2 stops17h 20m
Delta
Thu 9/2411:45 am
BLL
- SEA
1 stop13h 50m
Delta
Deal found 8/3![Delta logo]()
$657
This Scandinavian Airlines deal was found by Cheapflights users on 7/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:20 am
SEA
- BLL
2 stops42h 05m
Scandinavian Airlines
Sun 12/69:15 pm
BLL
- SEA
2 stops35h 11m
Scandinavian Airlines
Deal found 7/30![Scandinavian Airlines logo]()
$710
This Scandinavian Airlines deal was found by Cheapflights users on 8/3. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:30 pm
SEA
- BLL
2 stops34h 55m
Scandinavian Airlines
Tue 12/89:15 pm
BLL
- SEA
2 stops31h 49m
Scandinavian Airlines
Deal found 8/3![Scandinavian Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 7/31. 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 12/47:00 am
SEA
- BLL
2 stops17h 50m
United Airlines
Tue 12/810:30 am
BLL
- SEA
1 stop34h 30m
United Airlines
Deal found 7/31![United Airlines logo]()
$781
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 August 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 August 4, 2026.
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:55 pm
SEA
- BLL
1 stop33h 30m
Scandinavian Airlines
Sun 9/208:00 pm
BLL
- SEA
2 stops50h 45m
Scandinavian Airlines
Deal found 7/30![Scandinavian Airlines logo]()
$570
This KLM deal was found by Cheapflights users on 8/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:45 pm
SEA
- BLL
1 stop20h 15m
KLM
Thu 9/2410:15 am
BLL
- SEA
1 stop15h 20m
KLM
Deal found 8/3![KLM logo]()
$652
This Delta deal was found by Cheapflights users on 8/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:15 am
SEA
- BLL
2 stops17h 20m
Delta
Thu 9/2411:45 am
BLL
- SEA
1 stop13h 50m
Delta
Deal found 8/3![Delta logo]()
$657
This United Airlines deal was found by Cheapflights users on 7/31. 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 12/47:00 am
SEA
- BLL
2 stops17h 50m
United Airlines
Tue 12/810:30 am
BLL
- SEA
3 stops42h 40m
United Airlines
Deal found 7/31![United Airlines logo]()
$781
This British Airways deal was found by Cheapflights users on 7/31. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:45 pm
SEA
- BLL
1 stop32h 45m
British Airways
Tue 12/87:40 pm
BLL
- SEA
1 stop30h 10m
British Airways
Deal found 7/31![British Airways logo]()
$833
This Scandinavian Airlines deal was found by Cheapflights users on 7/31. 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 12/42:30 pm
SEA
- BLL
2 stops34h 55m
Scandinavian Airlines
Tue 12/89:15 pm
BLL
- SEA
2 stops31h 49m
Scandinavian Airlines
Deal found 7/31![Scandinavian Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 9/1310:55 am
SEA
- BLL
3 stops38h 10m
United Airlines
Sun 9/206:00 am
BLL
- SEA
2 stops23h 18m
United Airlines
Deal found 7/30![United Airlines logo]()
$812
Last-minute flights from Seattle to BillundDiscover last-minute flight deals from Seattle to Billund. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Billund. Data last updated August 4, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 8/2. 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.
Sun 8/305:45 pm
SEA
- BLL
1 stop20h 15m
Multiple Airlines
Sun 9/610:15 am
BLL
- SEA
1 stop15h 20m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$568
This Delta deal was found by Cheapflights users on 8/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/301:30 pm
SEA
- BLL
1 stop12h 50m
Delta
Sun 9/66:40 am
BLL
- SEA
2 stops19h 14m
Delta
Deal found 8/2![Delta logo]()
$627
This Scandinavian Airlines deal was found by Cheapflights users on 8/2. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:38 am
SEA
- BLL
2 stops17h 52m
Scandinavian Airlines
Sun 9/610:35 am
BLL
- SEA
2 stops19h 00m
Scandinavian Airlines
Deal found 8/2![Scandinavian Airlines logo]()
$803
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:55 pm
SEA
- BLL
2 stops17h 45m
Scandinavian Airlines
Sun 9/208:00 pm
BLL
- SEA
2 stops50h 45m
Scandinavian Airlines
Deal found 7/30![Scandinavian Airlines logo]()
$566
This Air France deal was found by Cheapflights users on 7/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:45 pm
SEA
- BLL
1 stop20h 15m
Multiple Airlines
Sun 9/206:00 am
BLL
- SEA
1 stop14h 47m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$651
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 9/1310:55 am
SEA
- BLL
3 stops38h 10m
United Airlines
Sun 9/206:00 am
BLL
- SEA
2 stops23h 18m
United Airlines
Deal found 7/30![United Airlines logo]()
$812
This Delta deal was found by Cheapflights users on 8/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:15 am
SEA
- BLL
2 stops17h 20m
Delta
Thu 9/2411:45 am
BLL
- SEA
1 stop13h 50m
Delta
Deal found 8/3![Delta logo]()
$657
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 August 4, 2026.
Search for one-way flight options from Seattle to Billund. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:25 pm
SEA
- BLL
1 stop13h 10m
Icelandair
Deal found 7/30![Icelandair logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:25 pm
SEA
- BLL
2 stops26h 05m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:00 pm
SEA
- BLL
1 stop17h 35m
Icelandair
Deal found 7/30![Icelandair logo]()
$375
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:50 pm
SEA
- BLL
2 stops18h 50m
Lufthansa
Deal found 7/30![Lufthansa logo]()
$398
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:00 am
SEA
- BLL
2 stops22h 20m
Lufthansa
Deal found 7/30![Lufthansa logo]()
$415
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 11/11:50 pm
SEA
- BLL
1 stop19h 30m
United Airlines
Deal found 7/30![United Airlines logo]()
$422
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 8/116:30 am
SEA
- BLL
3 stops50h 20m
United Airlines
Deal found 7/30![United Airlines logo]()
$445
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 August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $566 (oojo) |
One-way from | $299 (oojo) |
Popular in | September |
Cheapest in | February |
Average price | $698 |
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 August 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
Sun 9/13
3:55 pm-10:25 am
1 stop33h 30m
Billund
Sun 9/20
8:00 pm-1:45 pm
2 stops50h 45m
$570
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Thu 9/17
5:45 pm-11:00 pm
1 stop20h 15m
Billund
Thu 9/24
10:15 am-4:35 pm
1 stop15h 20m
$652
Quickest round-trip
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Thu 9/17
7:15 am-9:35 am
2 stops17h 20m
Billund
Thu 9/24
11:45 am-4:35 pm
1 stop13h 50m
$657
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Fri 12/4
2:30 pm-10:25 am
2 stops34h 55m
Billund
Tue 12/8
9:15 pm-8:04 pm
2 stops31h 49m
$710
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Fri 12/4
7:00 am-9:50 am
2 stops17h 50m
Billund
Tue 12/8
10:30 am-8:10 pm
3 stops42h 40m
$781
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sun 9/13
10:55 am-10:05 am
3 stops38h 10m
Billund
Sun 9/20
6:00 am-8:18 pm
2 stops23h 18m
$812
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Fri 12/4
6:45 pm-12:30 pm
1 stop32h 45m
Billund
Tue 12/8
7:40 pm-4:50 pm
1 stop30h 10m
$833
Cheapest one-way
Quickest one-way
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Thu 8/13
6:50 pm-10:40 pm
2 stops18h 50m
$398
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sat 8/22
11:25 pm-7:00 pm
3 stops34h 35m
$405
SeattleBillund
SEA - BLL
SEABLL
Seattle/Tacoma Intl
Sun 11/1
1:50 pm-6:20 pm
1 stop19h 30m
$422
Showing 1-10 of 12 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 August 4, 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.
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Food
7.2
Crew
8.5
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights
Alternative routes for Seattle to Billund
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Billund by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Billund by cabin class
Find flights from Seattle to Billund, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Billund flights
Browse other Seattle and Billund flight options. Last updated on August 4, 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 August 4, 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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$421 | Average$706 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$500 | Average$648 | FlexibilityNo cancel fee | On-time77% |