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Cheap flights from Boston to Billund from $665

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Billund departing on 10/6. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Billund

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:40 pm - 9:45 amBOS  Boston Logan Intl-BLL Billund
34h 05m3 stops Kastrup Copenhagen Helsinki-Vantaa Stockholm Arlanda
Multiple Airlines Logo
1:15 pm - 3:35 pmBLL  Billund-BOS Boston Logan Intl
32h 20m3 stops Riga Intl Helsinki-Vantaa Kastrup Copenhagen
$665Multiple Airlines
Tue, Oct 6 - Sun, Oct 11
Scandinavian Airlines Logo
5:50 pm - 8:35 pmBOS  Boston Logan Intl-BLL Billund
20h 45m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
9:15 pm - 4:40 pmBLL  Billund-BOS Boston Logan Intl
24h 25m1 stop Kastrup Copenhagen
$731Scandinavian Airlines
Thu, Oct 22 - Sun, Oct 25
Scandinavian Airlines Logo
5:40 pm - 3:05 pmBOS  Boston Logan Intl-BLL Billund
15h 25m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
8:20 pm - 3:35 pmBLL  Billund-BOS Boston Logan Intl
25h 15m2 stops Oslo Gardermoen Kastrup Copenhagen
$731Scandinavian Airlines
Wed, Oct 7 - Sun, Oct 11
British Airways Logo
6:45 pm - 7:45 pmBOS  Boston Logan Intl-BLL Billund
19h 00m1 stop London Heathrow
British Airways Logo
1:00 pm - 7:40 pmBLL  Billund-BOS Boston Logan Intl
12h 40m1 stop London Heathrow
$737British Airways
Sun, Jan 31 - Thu, Feb 4
Lufthansa Logo
5:45 pm - 2:10 pmBOS  Boston Logan Intl-BLL Billund
14h 25m1 stop Frankfurt am Main
Lufthansa Logo
6:00 am - 3:40 pmBLL  Billund-BOS Boston Logan Intl
15h 40m1 stop Frankfurt am Main
$759Lufthansa
Wed, Aug 26 - Wed, Sep 16
Lufthansa Logo
10:00 pm - 6:30 pmBOS  Boston Logan Intl-BLL Billund
14h 30m1 stop Frankfurt am Main
Lufthansa Logo
2:55 pm - 8:10 pmBLL  Billund-BOS Boston Logan Intl
11h 15m1 stop Frankfurt am Main
$759Lufthansa
Mon, Aug 24 - Wed, Sep 16
Delta Logo
7:10 pm - 11:20 amBOS  Boston Logan Intl-BLL Billund
10h 10m1 stop Paris Charles de Gaulle
Delta Logo
6:40 am - 1:39 pmBLL  Billund-BOS Boston Logan Intl
12h 59m1 stop Paris Charles de Gaulle
$778Delta
Tue, Aug 25 - Wed, Sep 16
Delta Logo
5:10 pm - 11:20 amBOS  Boston Logan Intl-BLL Billund
12h 10m1 stop Paris Charles de Gaulle
Delta Logo
6:40 am - 1:39 pmBLL  Billund-BOS Boston Logan Intl
12h 59m1 stop Paris Charles de Gaulle
$778Delta
Mon, Aug 24 - Wed, Sep 16
KLM Logo
7:05 pm - 1:30 pmBOS  Boston Logan Intl-BLL Billund
12h 25m1 stop Amsterdam Schiphol
KLM Logo
11:45 am - 6:30 pmBLL  Billund-BOS Boston Logan Intl
12h 45m1 stop Amsterdam Schiphol
$790KLM
Wed, Aug 26 - Mon, Sep 14
KLM Logo
7:05 pm - 1:30 pmBOS  Boston Logan Intl-BLL Billund
12h 25m1 stop Amsterdam Schiphol
KLM Logo
11:45 am - 6:30 pmBLL  Billund-BOS Boston Logan Intl
12h 45m1 stop Amsterdam Schiphol
$791KLM
Wed, Aug 26 - Mon, Sep 14

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United Airlines flights from Boston to Billund

Our best United Airlines deals on Boston to Billund flight tickets
United Airlines
Aug 22
BOS10:00 pmBoston Logan Intl
14h 10m
1 stop
BLL6:10 pmBillund
Aug 26
BLL10:45 amBillund
10h 55m
1 stop
BOS3:40 pmBoston Logan Intl
$750
United Airlines
Aug 22
BOS2:28 pmBoston Logan Intl
13h 32m
2 stops
BLL10:00 amBillund
Aug 26
BLL10:45 amBillund
10h 55m
1 stop
BOS3:40 pmBoston Logan Intl
$754
United Airlines
Jan 31
BOS4:05 pmBoston Logan Intl
20h 15m
1 stop
BLL6:20 pmBillund
Feb 4
BLL6:35 amBillund
33h 23m
2 stops
BOS9:58 amBoston Logan Intl
$755

Air Canada flights from Boston to Billund

Our best Air Canada deals on Boston to Billund flight tickets
Air Canada
Aug 22
BOS5:45 amBoston Logan Intl
26h 20m
2 stops
BLL2:05 pmBillund
Aug 26
BLL2:55 pmBillund
32h 47m
2 stops
BOS5:42 pmBoston Logan Intl
$753
Air Canada
Aug 22
BOS5:45 amBoston Logan Intl
26h 20m
2 stops
BLL2:05 pmBillund
Aug 25
BLL2:55 pmBillund
24h 55m
2 stops
BOS9:50 amBoston Logan Intl
$756
Air Canada
Aug 22
BOS5:45 amBoston Logan Intl
26h 20m
2 stops
BLL2:05 pmBillund
Sep 15
BLL2:55 pmBillund
29h 46m
2 stops
BOS2:41 pmBoston Logan Intl
$786

momondo Fare Finder

 
Customize your flight search to find flights from Boston 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 August 12, 2026.
Use the filters below to find and compare flights from Boston to Billund that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBillund

BOS Boston Logan Intl - BLL Billund

BOSBLL

Boston Logan Intl

Tue 10/6

5:40 pm-9:45 am

3 stops34h 05m

Billund

Sun 10/11

1:15 pm-3:35 pm

3 stops32h 20m

$665

BostonBillund

BOS Boston Logan Intl - BLL Billund

BOSBLL

Boston Logan Intl

Thu 10/22

5:50 pm-8:35 pm

1 stop20h 45m

Billund

Sun 10/25

9:15 pm-4:40 pm

1 stop24h 25m

$731

BostonBillund

BOS Boston Logan Intl - BLL Billund

BOSBLL

Boston Logan Intl

Wed 10/7

5:40 pm-3:05 pm

1 stop15h 25m

Billund

Sun 10/11

8:20 pm-3:35 pm

2 stops25h 15m

$731

BostonBillund

BOS Boston Logan Intl - BLL Billund

BOSBLL

Boston Logan Intl

Sun 1/31

6:45 pm-7:45 pm

1 stop19h 00m

Billund

Thu 2/4

1:00 pm-7:40 pm

1 stop12h 40m

$737

BostonBillund

BOS Boston Logan Intl - BLL Billund

BOSBLL

Boston Logan Intl

Wed 8/26

5:45 pm-2:10 pm

1 stop14h 25m

Billund

Wed 9/16

6:00 am-3:40 pm

1 stop15h 40m

$759

BostonBillund

BOS Boston Logan Intl - BLL Billund

BOSBLL

Boston Logan Intl

Mon 8/24

10:00 pm-6:30 pm

1 stop14h 30m

Billund

Wed 9/16

2:55 pm-8:10 pm

1 stop11h 15m

$759
Quickest round-trip

BostonBillund

BOS Boston Logan Intl - BLL Billund

BOSBLL

Boston Logan Intl

Tue 8/25

7:10 pm-11:20 am

1 stop10h 10m

Billund

Wed 9/16

6:40 am-1:39 pm

1 stop12h 59m

$778

BostonBillund

BOS Boston Logan Intl - BLL Billund

BOSBLL

Boston Logan Intl

Mon 8/24

5:10 pm-11:20 am

1 stop12h 10m

Billund

Wed 9/16

6:40 am-1:39 pm

1 stop12h 59m

$778

BostonBillund

BOS Boston Logan Intl - BLL Billund

BOSBLL

Boston Logan Intl

Wed 8/26

7:05 pm-1:30 pm

1 stop12h 25m

Billund

Mon 9/14

11:45 am-6:30 pm

1 stop12h 45m

$790

BostonBillund

BOS Boston Logan Intl - BLL Billund

BOSBLL

Boston Logan Intl

Wed 8/26

7:05 pm-1:30 pm

1 stop12h 25m

Billund

Mon 9/14

11:45 am-6:30 pm

1 stop12h 45m

$791

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Billund from

How to get the cheapest flight ticket from Boston 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, November is the cheapest month to fly from Boston to Billund. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $420. If you aren’t able to travel to Billund during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $501.

How have Boston to Billund flight prices changed over time?

As of August 2026, prices for Boston to Billund flights are approximately 37% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Billund

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

Cheap Boston to Billund (BOS to BLL) flight deals and tips

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

Fastest flight time

18h 05m

Direct flights

None
The fastest flight from Boston to Billund takes 18h 05m
There are no direct flights from Boston to Billund. There are no popular flight routes from Boston to Billund.
Search flight deals

Frequently asked questions about flying from Boston to Billund

  • How far is Boston Logan Intl to Billund by plane?

    There are 3528.9 mi between Boston Logan Intl and Billund. A reasonable flight in good conditions will take 18h 05m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Billund Airport?

    Prices for flights from Boston Logan Intl Airport to Billund Airport refresh daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Billund Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Billund Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Billund Airport.

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

    The travel and health documents required for your trip to Billund Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Billund Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Boston to Billund?

Best airlines flying from Boston to Billund

Compare and see reviews for airlines that fly from Boston to Billund with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $447Free CancellationRating
7.8
8,512 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $460Free CancellationRating
7.4
1,947 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $467Free CancellationRating
6.8
8,179 reviews
Search Lufthansa flights
KLMPriceFrom $477Free CancellationRating
7.8
1,557 reviews
Search KLM flights

Traveling to a place near Billund?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Billund from Boston.

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

Yes. All flights to Billund from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Boston to Billund flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Billund from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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