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Cheap flights from Portland to Billund from $797

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Billund departing on 10/16. 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

Find the cheapest flights from Portland to Billund

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:30 pm - 10:00 am
PDX
-
BLL
25h 30m
2 stops
United Airlines Logo
6:05 am - 2:51 pm
BLL
-
PDX
17h 46m
2 stops
$797United Airlines
Fri, Oct 16 - Tue, Oct 20
United Airlines Logo
8:15 am - 6:00 pm
PDX
-
BLL
24h 45m
2 stops
United Airlines Logo
6:00 am - 8:10 pm
BLL
-
PDX
23h 10m
2 stops
$807United Airlines
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
1:05 pm - 3:45 pm
PDX
-
BLL
17h 40m
1 stop
Multiple Airlines Logo
6:40 am - 4:03 pm
BLL
-
PDX
18h 23m
2 stops
$829Multiple Airlines
Fri, Aug 7 - Sat, Aug 15
Multiple Airlines Logo
1:05 pm - 3:45 pm
PDX
-
BLL
17h 40m
1 stop
Multiple Airlines Logo
6:40 am - 4:03 pm
BLL
-
PDX
18h 23m
2 stops
$865Multiple Airlines
Fri, Aug 7 - Sat, Aug 15
Delta Logo
7:00 am - 9:25 am
PDX
-
BLL
17h 25m
2 stops
Delta Logo
6:00 am - 11:10 am
BLL
-
PDX
14h 10m
1 stop
$987Delta
Fri, Aug 7 - Sat, Aug 15
United Airlines Logo
8:25 am - 6:00 pm
PDX
-
BLL
24h 35m
2 stops
United Airlines Logo
6:00 am - 10:53 pm
BLL
-
PDX
25h 53m
3 stops
$1,026United Airlines
Sun, Sep 6 - Sun, Sep 13
Delta Logo
3:00 pm - 5:55 pm
PDX
-
BLL
17h 55m
2 stops
Delta Logo
6:40 am - 4:03 pm
BLL
-
PDX
18h 23m
2 stops
$1,044Delta
Fri, Aug 7 - Sat, Aug 15
United Airlines Logo
12:45 pm - 6:10 pm
PDX
-
BLL
20h 25m
3 stops
United Airlines Logo
6:05 am - 7:06 pm
BLL
-
PDX
22h 01m
2 stops
$1,084United Airlines
Fri, Oct 16 - Tue, Oct 20
Delta Logo
7:00 am - 9:25 am
PDX
-
BLL
17h 25m
2 stops
Delta Logo
10:15 am - 8:17 pm
BLL
-
PDX
19h 02m
2 stops
$1,108Delta
Fri, Aug 7 - Sat, Aug 15
KLM Logo
1:05 pm - 5:55 pm
PDX
-
BLL
19h 50m
1 stop
KLM Logo
6:00 am - 11:10 am
BLL
-
PDX
14h 10m
1 stop
$1,156KLM
Fri, Aug 7 - Sat, Aug 15

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United Airlines flights from Portland to Billund

Our best United Airlines deals on Portland to Billund flight tickets
United Airlines
Oct 16
PDX11:30 pmPortland
25h 30m
2 stops
BLL10:00 amBillund
Oct 20
BLL6:05 amBillund
17h 46m
2 stops
PDX2:51 pmPortland
$797
United Airlines
Sep 6
PDX8:15 amPortland
24h 45m
2 stops
BLL6:00 pmBillund
Sep 13
BLL6:00 amBillund
23h 10m
2 stops
PDX8:10 pmPortland
$807
United Airlines
Sep 6
PDX8:25 amPortland
24h 35m
2 stops
BLL6:00 pmBillund
Sep 13
BLL6:00 amBillund
25h 53m
3 stops
PDX10:53 pmPortland
$1,026

Delta flights from Portland to Billund

Our best Delta deals on Portland to Billund flight tickets
Delta
Aug 7
PDX7:00 amPortland
17h 25m
2 stops
BLL9:25 amBillund
Aug 15
BLL6:00 amBillund
14h 10m
1 stop
PDX11:10 amPortland
$987
Delta
Aug 7
PDX3:00 pmPortland
17h 55m
2 stops
BLL5:55 pmBillund
Aug 15
BLL6:40 amBillund
18h 23m
2 stops
PDX4:03 pmPortland
$1,044
Delta
Aug 7
PDX7:00 amPortland
17h 25m
2 stops
BLL9:25 amBillund
Aug 15
BLL10:15 amBillund
19h 02m
2 stops
PDX8:17 pmPortland
$1,108

momondo Fare Finder

 
Customize your flight search to find flights from Portland 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 July 27, 2026.
Use the filters below to find and compare flights from Portland to Billund that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBillund

PDX - BLL

PDXBLL

Portland

Fri 10/16

11:30 pm-10:00 am

2 stops25h 30m

Billund

Tue 10/20

6:05 am-2:51 pm

2 stops17h 46m

$797

PortlandBillund

PDX - BLL

PDXBLL

Portland

Sun 9/6

8:15 am-6:00 pm

2 stops24h 45m

Billund

Sun 9/13

6:00 am-8:10 pm

2 stops23h 10m

$807

PortlandBillund

PDX - BLL

PDXBLL

Portland

Fri 8/7

1:05 pm-3:45 pm

1 stop17h 40m

Billund

Sat 8/15

6:40 am-4:03 pm

2 stops18h 23m

$829

PortlandBillund

PDX - BLL

PDXBLL

Portland

Fri 8/7

1:05 pm-3:45 pm

1 stop17h 40m

Billund

Sat 8/15

6:40 am-4:03 pm

2 stops18h 23m

$865
Quickest round-trip

PortlandBillund

PDX - BLL

PDXBLL

Portland

Fri 8/7

7:00 am-9:25 am

2 stops17h 25m

Billund

Sat 8/15

6:00 am-11:10 am

1 stop14h 10m

$987

PortlandBillund

PDX - BLL

PDXBLL

Portland

Sun 9/6

8:25 am-6:00 pm

2 stops24h 35m

Billund

Sun 9/13

6:00 am-10:53 pm

3 stops25h 53m

$1,026

PortlandBillund

PDX - BLL

PDXBLL

Portland

Fri 8/7

3:00 pm-5:55 pm

2 stops17h 55m

Billund

Sat 8/15

6:40 am-4:03 pm

2 stops18h 23m

$1,044

PortlandBillund

PDX - BLL

PDXBLL

Portland

Fri 10/16

12:45 pm-6:10 pm

3 stops20h 25m

Billund

Tue 10/20

6:05 am-7:06 pm

2 stops22h 01m

$1,084

PortlandBillund

PDX - BLL

PDXBLL

Portland

Fri 8/7

7:00 am-9:25 am

2 stops17h 25m

Billund

Sat 8/15

10:15 am-8:17 pm

2 stops19h 02m

$1,108

PortlandBillund

PDX - BLL

PDXBLL

Portland

Fri 8/7

1:05 pm-5:55 pm

1 stop19h 50m

Billund

Sat 8/15

6:00 am-11:10 am

1 stop14h 10m

$1,156

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Portland to Billund

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Billund according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Billund (PDX to BLL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Billund

Fastest flight time

17h 40m

Direct flights

None
The fastest flight from Portland to Billund takes 17h 40m
There are no direct flights from Portland to Billund. There are no popular flight routes from Portland to Billund.
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Frequently asked questions about flying from Portland to Billund

  • How far is Portland to Billund by plane?

    Billund is 4897.4 mi away from Portland. 17h 40m is a normal flight duration for this route.

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

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

  • How old do you have to be to fly from Portland Airport 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 Portland Airport 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.

Frequently asked questions about flying from Portland to Billund

  • How do I get Price Alerts for flights from Portland to Billund?

    Price Alerts will notify you by email when the price for flights to Billund from Portland decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Portland to Billund with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Billund?

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

Why use momondo?

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

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

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

Flights from Portland to Billund with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Billund.

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

Of course. momondo tracks the price of Portland to Billund flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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