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Billund

$506+ Cheap flights from Washington 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BLL
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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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 December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/21. 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 12/235:54 pmSEA - BLL
2 stops58h 26mUnited Airlines
Tue 1/66:30 amBLL - SEA
3 stops47h 45mUnited Airlines
Deal found 12/21$1,247
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/225:05 pmSEA - BLL
2 stops35h 35mUnited Airlines
Tue 1/66:30 amBLL - SEA
3 stops47h 45mUnited Airlines
Deal found 12/21$1,313
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:10 pmSEA - BLL
2 stops23h 00mLufthansa
Tue 1/66:30 amBLL - SEA
2 stops47h 27mLufthansa
Deal found 12/21$1,351
This Flysmarter deal was found by Cheapflights users on 12/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:59 pmSEA - BLL
2 stops28h 21mAir Canada
Thu 12/2510:35 amBLL - SEA
2 stops20h 00mAir Canada
Deal found 12/21$1,385
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/237:12 pmSEA - BLL
2 stops57h 08mUnited Airlines
Mon 1/52:15 pmBLL - SEA
2 stops42h 00mUnited Airlines
Deal found 12/21$1,445
This Lufthansa deal was found by Cheapflights users on 12/21. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:00 pmSEA - BLL
1 stop14h 40mLufthansa
Mon 1/52:15 pmBLL - SEA
1 stop30h 55mLufthansa
Deal found 12/21$1,628
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:13 amSEA - BLL
2 stops22h 52mScandinavian Airlines
Mon 1/57:05 pmBLL - SEA
2 stops52h 44mScandinavian Airlines
Deal found 12/21$1,855
This Booking.com deal was found by Cheapflights users on 12/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:10 pmSEA - BLL
2 stops23h 00mMultiple Airlines
Thu 12/2510:40 amBLL - SEA
1 stop39h 25mMultiple Airlines
Deal found 12/21$1,856
This Delta deal was found by Cheapflights users on 12/21. 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 12/233:05 pmSEA - BLL
1 stop33h 35mDelta
Tue 1/612:05 pmBLL - SEA
1 stop32h 45mDelta
Deal found 12/21$1,932

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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$506
(oojo)

Popular in

January

Cheapest in

March

Average price

$662
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
Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 23, 2025.
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

Fri 1/23

8:04 am-12:20 pm

2 stops19h 16m

Billund

Mon 1/26

1:10 pm-11:30 am

1 stop31h 20m

$506

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 2/20

2:15 pm-11:00 pm

1 stop23h 45m

Billund

Sun 3/1

6:00 am-2:44 pm

2 stops17h 44m

$522

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 1/23

7:00 am-1:20 pm

2 stops21h 20m

Billund

Mon 1/26

6:45 am-10:43 pm

2 stops24h 58m

$527

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 2/20

9:50 am-11:20 am

2 stops16h 30m

Billund

Sun 3/1

6:00 am-2:44 pm

2 stops17h 44m

$535

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 1/23

7:00 am-1:20 pm

2 stops21h 20m

Billund

Mon 1/26

6:45 am-12:10 pm

1 stop14h 25m

$542

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Fri 1/23

5:50 am-1:20 pm

3 stops22h 30m

Billund

Mon 1/26

6:45 am-7:16 pm

3 stops21h 31m

$544

PortlandBillund

PDX - BLL

PDXBLL

Portland

Thu 1/22

7:45 am-1:20 pm

2 stops20h 35m

Billund

Mon 1/26

6:45 am-10:32 pm

2 stops24h 47m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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.

What is the cheapest time of day to fly from WA to BLL?

Find hourly flight availability from Washington to Billund. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from State of Washington to Billund in the evening. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the morning.

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 19h 16m. British Airways provides one of the quickest options available for as low as $506. State of Washington and Billund are separated by a distance of 4771 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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

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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$421Average$757FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$582Average$617FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$597Average$742FlexibilityNo cancel feeOn-time76%

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