HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Billund

$420+ Cheap flights from Washington 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLL
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington 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 Washington to Billund

Cheapest flights from Washington to Billund
Explore the most affordable flight options available from Washington to Billund. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:29 pm
SEA
-
BLL
2 stops33h 01m
United Airlines
Tue 3/36:30 am
BLL
-
SEA
2 stops21h 33m
United Airlines
Deal found 2/10$510
This Gurufare deal was found by Cheapflights users on 2/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/295:30 pm
SEA
-
BLL
1 stop15h 25m
Scandinavian Airlines
Sat 4/2511:40 am
BLL
-
SEA
1 stop13h 50m
Scandinavian Airlines
Deal found 2/11$518
This Mytrip deal was found by Cheapflights users on 2/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/278:00 am
SEA
-
BLL
2 stops18h 00m
Multiple Airlines
Fri 4/36:00 am
BLL
-
SEA
1 stop15h 20m
Multiple Airlines
Deal found 2/10$530
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Sun 3/297:00 am
SEA
-
BLL
2 stops18h 10m
United Airlines
Sat 4/256:00 am
BLL
-
SEA
1 stop15h 20m
United Airlines
Deal found 2/11$547
This Air France deal was found by Cheapflights users on 2/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:35 pm
SEA
-
BLL
1 stop15h 20m
Air France
Sat 8/2910:15 am
BLL
-
SEA
1 stop34h 22m
Air France
Deal found 2/11$625
This Air France deal was found by Cheapflights users on 2/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:35 pm
SEA
-
BLL
1 stop32h 20m
Air France
Fri 8/2810:15 am
BLL
-
SEA
1 stop15h 12m
Air France
Deal found 2/11$630
This Delta deal was found by Cheapflights users on 2/11. 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.
Thu 7/25:35 pm
SEA
-
BLL
1 stop15h 20m
Delta
Sun 8/3010:15 am
BLL
-
SEA
2 stops19h 26m
Delta
Deal found 2/11$640
This United Airlines deal was found by Cheapflights users on 2/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/123:40 pm
PDX
-
BLL
2 stops18h 40m
United Airlines
Thu 3/192:00 pm
BLL
-
PDX
2 stops18h 35m
United Airlines
Deal found 2/12$677
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:30 am
PDX
-
BLL
2 stops27h 50m
United Airlines
Mon 3/96:45 am
BLL
-
PDX
2 stops24h 26m
United Airlines
Deal found 2/10$703
This oojo deal was found by Cheapflights users on 2/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:50 pm
PDX
-
BLL
2 stops18h 10m
British Airways
Thu 3/191:00 pm
BLL
-
PDX
1 stop35h 55m
British Airways
Deal found 2/12$832
This United Airlines deal was found by Cheapflights users on 2/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1611:30 pm
PDX
-
BLL
2 stops25h 20m
United Airlines
Tue 7/216:05 am
BLL
-
PDX
3 stops27h 46m
United Airlines
Deal found 2/12$1,061
This Air Canada deal was found by Cheapflights users on 2/12. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:05 pm
PDX
-
BLL
3 stops30h 55m
Air Canada
Thu 3/192:00 pm
BLL
-
PDX
3 stops27h 15m
Air Canada
Deal found 2/12$1,210

Find flight deals from Washington to Billund

Keep the following information in mind while searching for Washington to Billund flight deals. Data was last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$510
(United Airlines)

One-way from

$420
(United Airlines)

Popular in

January

Cheapest in

February

Average price

$561
Provider with most accurate pricing for Seattle/Tacoma Intl-Billund flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Billund flights.
Search Deals
From Washington to Billund
Search Deals
One-way flight from Washington to Billund
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 February 13, 2026.
Use the filters below to find and compare flights from Washington to Billund that are best for you.

Fly from

Washington

Fly to

Billund

Route

Depart

Return

Price

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sat 2/28

7:29 pm-1:30 pm

2 stops33h 01m

Billund

Tue 3/3

6:30 am-7:03 pm

2 stops21h 33m

$510

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 3/29

5:30 pm-5:55 pm

1 stop15h 25m

Billund

Sat 4/25

11:40 am-4:30 pm

1 stop13h 50m

$518

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 3/27

8:00 am-10:00 am

2 stops18h 00m

Billund

Fri 4/3

6:00 am-12:20 pm

1 stop15h 20m

$530

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 3/29

7:00 am-10:10 am

2 stops18h 10m

Billund

Sat 4/25

6:00 am-12:20 pm

1 stop15h 20m

$547

PortlandBillund

PDX - BLL

PDXBLL

Portland

Thu 3/12

3:40 pm-6:20 pm

2 stops18h 40m

Billund

Thu 3/19

2:00 pm-12:35 am

2 stops18h 35m

$677

PortlandBillund

PDX - BLL

PDXBLL

Portland

Thu 3/5

5:30 am-6:20 pm

2 stops27h 50m

Billund

Mon 3/9

6:45 am-11:11 pm

2 stops24h 26m

$703

PortlandBillund

PDX - BLL

PDXBLL

Portland

Thu 3/12

5:50 pm-8:00 pm

2 stops18h 10m

Billund

Thu 3/19

1:00 pm-4:55 pm

1 stop35h 55m

$832

PortlandBillund

PDX - BLL

PDXBLL

Portland

Thu 7/16

11:30 pm-9:50 am

2 stops25h 20m

Billund

Tue 7/21

6:05 am-12:51 am

3 stops27h 46m

$1,061

PortlandBillund

PDX - BLL

PDXBLL

Portland

Thu 3/12

7:05 pm-10:00 am

3 stops30h 55m

Billund

Thu 3/19

2:00 pm-9:15 am

3 stops27h 15m

$1,210

PortlandBillund

PDX - BLL

PDXBLL

Portland

Thu 3/12

7:05 pm-10:00 am

3 stops30h 55m

Billund

Thu 3/19

6:30 am-9:15 am

2 stops34h 45m

$1,380

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Showing 1-10 of 18 results
1
2

Best time to book a flight from Washington to Billund

Have a flexible travel schedule? Discover the best time to fly to Billund from Washington with our price prediction graph.
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 Washington to Billund

What is the cheapest month to book a flight from State of Washington to Billund?

Currently, December is the cheapest month in which you can book a flight from State of Washington to Billund (average of $332). Flying from State of Washington to Billund in January is currently the most expensive (average of $873). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Washington to Billund. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Billund from Washington?

    If you book a flight to Billund from Washington, you will be flying to Billund, which is the city’s only airport. Billund (BLL) is located 1.7 mi from the center of Billund.

  • How long is the flight from State of Washington to Billund?

    A quick flight from State of Washington to Billund can take about 33h 01m. United Airlines provides one of the quickest options available for as low as $510. State of Washington and Billund are separated by a distance of 4771 mi.

  • Can I find deals for flights from Washington to Billund that include hotel bookings?

    Yes. In addition to deals on Washington to Billund flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Billund?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Billund.

  • Can I find deals for business class flights from Washington to Billund?

    Yes. Cheapflights offers flight deals from Washington to Billund by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Billund?

    Currently, December is the cheapest month in which you can book a flight from State of Washington to Billund (average of $332). Flying from State of Washington to Billund in January is currently the most expensive (average of $873). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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 for Washington to Billund

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Copenhagen flights
Newark to Copenhagen flights
O'Hare Intl to Copenhagen flights
Los Angeles to Copenhagen flights
Boston to Copenhagen flights
San Francisco to Copenhagen flights
Dulles Intl to Copenhagen flights
LaGuardia to Copenhagen flights
Seattle to Copenhagen flights
Reagan-National to Copenhagen flights
Minneapolis to Copenhagen flights
Baltimore to Copenhagen flights
Atlanta to Copenhagen flights
Philadelphia to Copenhagen flights
Portland to Copenhagen flights
Midway to Copenhagen flights
Miami to Copenhagen flights
Denver to Copenhagen flights
San Jose to Copenhagen flights
Santa Ana to Copenhagen flights
Ontario to Copenhagen flights
Austin to Copenhagen flights
Detroit to Copenhagen flights
Orlando to Copenhagen flights
Raleigh to Copenhagen flights
Dallas/Fort Worth to Copenhagen flights
Fort Lauderdale to Copenhagen flights
Burbank to Copenhagen flights
Oakland to Copenhagen flights
San Diego to Copenhagen flights
Tampa to Copenhagen flights
Memphis to Copenhagen flights
Sky Harbor Intl to Copenhagen flights
Love Field to Copenhagen flights
Hobby to Copenhagen flights
Nashville to Copenhagen flights
Pittsburgh to Copenhagen flights
Charlotte to Copenhagen flights
Salt Lake City to Copenhagen flights
George Bush Intcntl to Copenhagen flights
Reno to Copenhagen flights
Indianapolis to Copenhagen flights
Jacksonville to Copenhagen flights
West Palm Beach to Copenhagen flights
Cleveland to Copenhagen flights
Madison to Copenhagen flights
Columbus to Copenhagen flights
Honolulu to Copenhagen flights
Syracuse to Copenhagen flights
Las Vegas to Copenhagen flights

Top 3 airlines flying from Washington to Billund

Discover the top 3 airlines that operate flights from Washington 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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$524Average$617FlexibilityNo cancel feeOn-time75%
DeltaCheapest$592Average$765FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$597Average$742FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.