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Cheap flights from Helena to Denmark from $1,649

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Denmark departing on 10/20. 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
0 bags

Find the cheapest flights from Helena to Denmark

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:08 pm - 4:10 pm
HLN
-
CPH
40h 02m
2 stops
Multiple Airlines Logo
3:15 pm - 3:31 pm
CPH
-
HLN
56h 16m
2 stops
$1,649Multiple Airlines
Tue, Oct 20 - Mon, Nov 9
United Airlines Logo
6:15 am - 11:05 am
HLN
-
CPH
20h 50m
3 stops
United Airlines Logo
8:55 am - 8:59 pm
CPH
-
HLN
20h 04m
2 stops
$2,888United Airlines
Tue, Oct 20 - Mon, Nov 9
United Airlines Logo
6:15 am - 9:25 am
HLN
-
CPH
19h 10m
3 stops
United Airlines Logo
6:55 am - 8:59 pm
CPH
-
HLN
22h 04m
3 stops
$5,308United Airlines
Tue, Oct 20 - Mon, Nov 9

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United Airlines flights from Helena to Denmark

Our best United Airlines deals on Helena to Denmark flight tickets
United Airlines
Oct 20
HLN6:15 amHelena
20h 50m
3 stops
CPH11:05 amKastrup Copenhagen
Nov 9
CPH8:55 amKastrup Copenhagen
20h 04m
2 stops
HLN8:59 pmHelena
$2,888
United Airlines
Oct 20
HLN6:15 amHelena
19h 10m
3 stops
CPH9:25 amKastrup Copenhagen
Nov 9
CPH6:55 amKastrup Copenhagen
22h 04m
3 stops
HLN8:59 pmHelena
$5,308

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Denmark 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 May 1, 2026.
Use the filters below to find and compare flights from Helena to Denmark that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaCopenhagen

HLN - CPH

HLNCPH

Helena

Tue 10/20

4:08 pm-4:10 pm

2 stops40h 02m

Kastrup Copenhagen

Mon 11/9

3:15 pm-3:31 pm

2 stops56h 16m

$1,649
Quickest round-trip

HelenaCopenhagen

HLN - CPH

HLNCPH

Helena

Tue 10/20

6:15 am-11:05 am

3 stops20h 50m

Kastrup Copenhagen

Mon 11/9

8:55 am-8:59 pm

2 stops20h 04m

$2,888

HelenaCopenhagen

HLN - CPH

HLNCPH

Helena

Tue 10/20

6:15 am-9:25 am

3 stops19h 10m

Kastrup Copenhagen

Mon 11/9

6:55 am-8:59 pm

3 stops22h 04m

$5,308

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Helena to Denmark flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Denmark

Fastest flight time

16h 56m

Direct flights

None
The fastest flight from Helena to Denmark takes 16h 56m
There are no direct flights from Helena to Denmark. There are no popular flight routes from Helena to Denmark.
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Frequently asked questions about flying from Helena to Denmark

  • When did momondo last update prices for flights from Helena Airport to Denmark?

    Prices for flights from Helena Airport to Denmark are refreshed on a daily basis.

  • How old do you have to be to fly from Helena Airport to Denmark?

    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 Helena Airport to Denmark.

  • What documentation or ID do you need to fly to Denmark?

    The necessary travel and health documents for your Denmark trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Helena to Denmark

  • How do I get Price Alerts for flights from Helena to Denmark?

    Search flight deals from Helena to Denmark. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Helena to Denmark with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • 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.

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Denmark?

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 Denmark from Helena.

Can I find flights from Helena to Denmark with flexible booking policies on momondo?

Flights from Helena to Denmark 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 Helena to Denmark?

Once all potential Helena to Denmark flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Helena to Denmark flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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