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Cheap flights from Washington to Billund from $596

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Billund departing on 4/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:40 pm - 11:20 am
SEA
-
BLL
31h 40m
1 stop
Multiple Airlines Logo
6:00 am - 11:45 am
BLL
-
SEA
14h 45m
1 stop
$596Multiple Airlines
Sun, Apr 19 - Sun, Apr 26
Delta Logo
7:15 am - 11:20 am
SEA
-
BLL
19h 05m
2 stops
Delta Logo
6:00 am - 11:45 am
BLL
-
SEA
14h 45m
1 stop
$599Delta
Sun, Apr 19 - Sun, Apr 26
United Airlines Logo
7:20 pm - 5:50 pm
SEA
-
BLL
37h 30m
2 stops
United Airlines Logo
6:05 am - 12:20 pm
BLL
-
SEA
15h 15m
1 stop
$708United Airlines
Tue, May 5 - Tue, May 12
United Airlines Logo
5:05 am - 2:10 pm
SEA
-
BLL
24h 05m
2 stops
United Airlines Logo
6:00 am - 12:20 pm
BLL
-
SEA
15h 20m
1 stop
$712United Airlines
Mon, May 4 - Mon, May 11
Air France Logo
6:50 pm - 10:25 pm
SEA
-
BLL
18h 35m
1 stop
Air France Logo
10:15 am - 4:20 pm
BLL
-
SEA
15h 05m
1 stop
$719Air France
Mon, Jun 29 - Thu, Jul 9
Air France Logo
6:50 pm - 10:25 pm
SEA
-
BLL
18h 35m
1 stop
Air France Logo
10:15 am - 4:20 pm
BLL
-
SEA
15h 05m
1 stop
$720Air France
Mon, Jun 29 - Thu, Jul 9
KLM Logo
3:30 pm - 3:45 pm
PDX
-
BLL
15h 15m
2 stops
KLM Logo
10:15 am - 11:10 am
BLL
-
PDX
33h 55m
1 stop
$774KLM
Mon, May 18 - Thu, May 28
KLM Logo
3:30 pm - 3:45 pm
PDX
-
BLL
15h 15m
2 stops
KLM Logo
6:00 am - 2:48 pm
BLL
-
PDX
17h 48m
2 stops
$783KLM
Mon, May 18 - Thu, May 28
Air Canada Logo
7:45 pm - 10:05 am
PDX
-
BLL
29h 20m
3 stops
Air Canada Logo
10:45 am - 9:31 am
BLL
-
PDX
31h 46m
3 stops
$881Air Canada
Sun, Aug 23 - Wed, Aug 26
Air Canada Logo
7:45 pm - 10:05 am
PDX
-
BLL
29h 20m
3 stops
Air Canada Logo
6:00 am - 9:31 am
BLL
-
PDX
36h 31m
2 stops
$1,018Air Canada
Sun, Aug 23 - Wed, Aug 26

Delta flights from State of Washington to Billund

Our best Delta deals on State of Washington to Billund flight tickets
Delta
Apr 19
SEA7:15 amSeattle/Tacoma Intl
19h 05m
2 stops
BLL11:20 amBillund
Apr 26
BLL6:00 amBillund
14h 45m
1 stop
SEA11:45 amSeattle/Tacoma Intl
$599
Delta
May 7
SEA1:45 pmSeattle/Tacoma Intl
14h 45m
1 stop
BLL1:30 pmBillund
May 11
BLL11:45 amBillund
32h 57m
1 stop
SEA11:42 amSeattle/Tacoma Intl
$609
Delta
May 7
SEA1:45 pmSeattle/Tacoma Intl
14h 45m
1 stop
BLL1:30 pmBillund
May 11
BLL11:45 amBillund
17h 56m
2 stops
SEA8:41 pmSeattle/Tacoma Intl
$614

United Airlines flights from State of Washington to Billund

Our best United Airlines deals on State of Washington to Billund flight tickets
United Airlines
May 5
SEA7:20 pmSeattle/Tacoma Intl
37h 30m
2 stops
BLL5:50 pmBillund
May 12
BLL6:05 amBillund
15h 15m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$708
United Airlines
May 4
SEA5:05 amSeattle/Tacoma Intl
24h 05m
2 stops
BLL2:10 pmBillund
May 11
BLL6:00 amBillund
15h 20m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$712
United Airlines
May 7
SEA7:00 amSeattle/Tacoma Intl
22h 00m
2 stops
BLL2:00 pmBillund
May 11
BLL6:00 amBillund
22h 48m
2 stops
SEA7:48 pmSeattle/Tacoma Intl
$717

momondo Fare Finder

 
Customize your flight search to find flights from State of 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, momondo users made 832,500 searches. Data last updated March 25, 2026.
Use the filters below to find and compare flights from Washington to Billund that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 4/19

6:40 pm-11:20 am

1 stop31h 40m

Billund

Sun 4/26

6:00 am-11:45 am

1 stop14h 45m

$596

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 4/19

7:15 am-11:20 am

2 stops19h 05m

Billund

Sun 4/26

6:00 am-11:45 am

1 stop14h 45m

$599

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 5/5

7:20 pm-5:50 pm

2 stops37h 30m

Billund

Tue 5/12

6:05 am-12:20 pm

1 stop15h 15m

$708

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 5/4

5:05 am-2:10 pm

2 stops24h 05m

Billund

Mon 5/11

6:00 am-12:20 pm

1 stop15h 20m

$712

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 6/29

6:50 pm-10:25 pm

1 stop18h 35m

Billund

Thu 7/9

10:15 am-4:20 pm

1 stop15h 05m

$719

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 6/29

6:50 pm-10:25 pm

1 stop18h 35m

Billund

Thu 7/9

10:15 am-4:20 pm

1 stop15h 05m

$720

PortlandBillund

PDX - BLL

PDXBLL

Portland

Mon 5/18

3:30 pm-3:45 pm

2 stops15h 15m

Billund

Thu 5/28

10:15 am-11:10 am

1 stop33h 55m

$774
Quickest round-trip

PortlandBillund

PDX - BLL

PDXBLL

Portland

Mon 5/18

3:30 pm-3:45 pm

2 stops15h 15m

Billund

Thu 5/28

6:00 am-2:48 pm

2 stops17h 48m

$783

PortlandBillund

PDX - BLL

PDXBLL

Portland

Sun 8/23

7:45 pm-10:05 am

3 stops29h 20m

Billund

Wed 8/26

10:45 am-9:31 am

3 stops31h 46m

$881

PortlandBillund

PDX - BLL

PDXBLL

Portland

Sun 8/23

7:45 pm-10:05 am

3 stops29h 20m

Billund

Wed 8/26

6:00 am-9:31 am

2 stops36h 31m

$1,018

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Billund from

How to get the cheapest flight ticket from State of Washington to Billund

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Billund?

In general, February is the cheapest month to fly from State of Washington to Billund. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $473. If you aren’t able to travel to Billund during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $597.

Cheap State of Washington to Billund flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Billund

Fastest flight time

13h 15m

Direct flights

None
The fastest flight from State of Washington to Billund takes 13h 15m
There are no direct flights from State of Washington to Billund. There are no popular flight routes from State of Washington to Billund.
Search flight deals

  • When did momondo last update prices for flights from Washington to Billund Airport?

    Prices for flights from Washington to Billund Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Billund Airport?

  • How old do you have to be to fly from Washington to Billund Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Billund Airport.

  • What documentation or ID do you need to fly to Billund Airport?

    The travel and health documents you'll need for your trip to Billund Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Billund Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Billund

Compare and see reviews for airlines that fly from State of Washington to Billund with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $421Free CancellationRating
7.9
8,326 reviews
Search Delta flights
LufthansaPriceFrom $597Free CancellationRating
6.8
7,869 reviews
Search Lufthansa flights

Traveling to a place near Billund?

Book flights to Billund if you plan to visit one of these locations
Vejle
Ribe
Kolding
Horsens
Middelfart

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Billund?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Billund. momondo saves you time and could save you money on your trip.

Can I find flights from Washington to Billund with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Billund from Washington with this policy.

How can momondo help me find flights from Washington to Billund?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Billund from Washington.

I’m not ready to book a flight from Washington to Billund right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Billund, momondo offers a useful price alert feature which will track prices for flights to Billund from Washington and alert you when they change.

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