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$492+ Cheap flights from Billund (BLL) to Washington

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
BLL — SEA
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Billund to Washington

Cheapest flights from Billund to Washington
Explore the most affordable flight options available from Billund to Washington. 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 12/22. 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 12/306:30 amBLL - SEA
1 stop14h 40mUnited Airlines
Sat 4/2511:59 pmSEA - BLL
2 stops29h 11mUnited Airlines
Deal found 12/22$935
This Air France deal was found by Cheapflights users on 12/22. 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 12/306:00 amBLL - SEA
1 stop14h 50mMultiple Airlines
Sat 4/255:30 pmSEA - BLL
1 stop31h 05mMultiple Airlines
Deal found 12/22$937
This FlightHub deal was found by Cheapflights users on 12/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:30 amBLL - SEA
3 stops21h 46mAir Canada
Sat 4/2510:10 amSEA - BLL
2 stops19h 00mAir Canada
Deal found 12/22$1,681

Find flight deals from Billund to Washington

Keep the following information in mind while searching for Billund to Washington flight deals. Data was last updated December 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$492
(Flysmarter)

Popular in

July

Cheapest in

December

Average price

$554
Provider with most accurate pricing for Billund-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billund-Seattle/Tacoma Intl flights.
Search Deals
From Billund to Washington
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 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 Billund to Washington 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 Billund to Washington that are best for you.

Fly from

Billund

Fly to

Washington

Route

Depart

Return

Price

BillundSeattle

BLL - SEA

BLLSEA

Billund

Tue 4/28

10:40 am-6:25 pm

1 stop16h 45m

Seattle/Tacoma Intl

Tue 5/5

1:35 pm-11:15 am

1 stop12h 40m

$492

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 2/20

12:55 pm-10:18 pm

2 stops42h 23m

Seattle/Tacoma Intl

Mon 3/2

6:50 pm-12:30 pm

1 stop32h 40m

$509

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 2/26

1:00 pm-11:29 pm

2 stops19h 29m

Seattle/Tacoma Intl

Tue 3/3

7:15 am-12:30 pm

2 stops20h 15m

$509

BillundSeattle

BLL - SEA

BLLSEA

Billund

Wed 2/25

1:20 pm-11:29 pm

2 stops43h 09m

Seattle/Tacoma Intl

Sun 3/1

7:15 am-11:10 am

2 stops18h 55m

$509

BillundSeattle

BLL - SEA

BLLSEA

Billund

Fri 2/20

12:55 pm-10:18 pm

2 stops42h 23m

Seattle/Tacoma Intl

Tue 3/3

2:18 pm-12:10 pm

2 stops36h 52m

$509

BillundSeattle

BLL - SEA

BLLSEA

Billund

Tue 2/24

1:10 pm-10:15 pm

2 stops42h 05m

Seattle/Tacoma Intl

Sun 3/1

6:50 pm-12:20 pm

1 stop32h 30m

$509

BillundSeattle

BLL - SEA

BLLSEA

Billund

Sun 2/22

8:50 pm-7:31 pm

2 stops55h 41m

Seattle/Tacoma Intl

Tue 3/3

5:39 am-12:10 pm

2 stops45h 31m

$509

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 3/5

1:00 pm-11:29 pm

2 stops19h 29m

Seattle/Tacoma Intl

Mon 3/9

7:15 am-12:30 pm

2 stops45h 15m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Best time to book a flight from Billund to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Billund 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 Billund to Washington

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

Currently, March is the cheapest month in which you can book a flight from Billund to State of Washington (average of $494). Flying from Billund to State of Washington in July is currently the most expensive (average of $599). 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.

How much does it cost to fly round-trip from Billund to State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated December 23, 2025.
Read through reviews of airlines operating flights from Billund to Washington, such as Lufthansa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,649 reviews

Boarding

7.0

Crew

7.6

Comfort

6.8

Food

6.3

Overall

6.8

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
Lufthansa
6.8
Okay
7,649 reviews
Lufthansa
6.8
Okay
7,649 reviews

Boarding

7.0

Crew

7.6

Comfort

6.8

Food

6.3

Overall

6.8

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines

Related info for your journey

Find useful and relevant information for your journey from Billund to Washington. 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 from for flights from Billund to Washington?

    Billund (BLL) is the airport you will fly out of if you book a flight from Billund to Washington. It is only a 1.7 mi journey to Billund (BLL) from Billund’s city center.

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

    Airlines like British Airways fly from Billund to State of Washington in about 16h 45m. The time it takes to get you to your destination can typically vary by up to . The distance from Billund to State of Washington is about 4771 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Billund to Washington 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 Billund to State of Washington?

    Currently, March is the cheapest month in which you can book a flight from Billund to State of Washington (average of $494). Flying from Billund to State of Washington in July is currently the most expensive (average of $599). 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.

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Top airline flying from Billund to Washington

Discover the top airline that operate flights from Billund to Washington. 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
LufthansaCheapest$595Average$662FlexibilityNo cancel feeOn-time76%

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