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Cheap flights from Great Falls to Copenhagen 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 Great Falls to Copenhagen departing on 12/6. 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

Find the cheapest flights from Great Falls to Copenhagen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:25 pm - 5:35 pmGTF  Great Falls-CPH Kastrup Copenhagen
19h 10m2 stops Denver Intl Munich Franz Josef Strauss
Lufthansa Logo
7:15 am - 9:20 pmCPH  Kastrup Copenhagen-GTF Great Falls
22h 05m2 stops Frankfurt am Main Denver Intl
$797Lufthansa
Sun, Dec 6 - Tue, Dec 8
Multiple Airlines Logo
1:13 pm - 5:25 pmGTF  Great Falls-CPH Kastrup Copenhagen
20h 12m2 stops Salt Lake City Paris Charles de Gaulle
Multiple Airlines Logo
3:20 pm - 5:41 pmCPH  Kastrup Copenhagen-GTF Great Falls
34h 21m2 stops Amsterdam Schiphol Salt Lake City
$807Multiple Airlines
Sun, Dec 6 - Wed, Dec 9
Delta Logo
6:21 pm - 6:45 amGTF  Great Falls-CPH Kastrup Copenhagen
28h 24m2 stops Salt Lake City New York John F Kennedy Intl
Delta Logo
6:00 am - 5:41 pmCPH  Kastrup Copenhagen-GTF Great Falls
19h 41m2 stops Amsterdam Schiphol Salt Lake City
$988Delta
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
5:19 pm - 1:55 pmGTF  Great Falls-CPH Kastrup Copenhagen
36h 36m3 stops Seattle/Tacoma Intl Chicago O'Hare Intl London Heathrow
Multiple Airlines Logo
10:50 am - 4:35 pmCPH  Kastrup Copenhagen-GTF Great Falls
37h 45m2 stops London Heathrow Seattle/Tacoma Intl
$1,060Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
United Airlines Logo
6:15 am - 9:30 amGTF  Great Falls-CPH Kastrup Copenhagen
19h 15m3 stops Denver Intl Montreal Pierre Elliott Trudeau Intl Frankfurt am Main
United Airlines Logo
8:40 am - 9:22 pmCPH  Kastrup Copenhagen-GTF Great Falls
20h 42m3 stops Munich Franz Josef Strauss Chicago O'Hare Intl Denver Intl
$1,391United Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
5:19 pm - 10:10 amGTF  Great Falls-CPH Kastrup Copenhagen
32h 51m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
10:35 pm - 4:35 pmCPH  Kastrup Copenhagen-GTF Great Falls
50h 00m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl
$1,507Multiple Airlines
Mon, Sep 28 - Mon, Oct 5

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Customize your flight search to find flights from Great Falls to Copenhagen 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 18, 2026.
Use the filters below to find and compare flights from Great Falls to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsCopenhagen

GTF Great Falls - CPH Kastrup Copenhagen

GTFCPH

Great Falls

Sun 12/6

2:25 pm-5:35 pm

2 stops19h 10m

Kastrup Copenhagen

Tue 12/8

7:15 am-9:20 pm

2 stops22h 05m

$797

Great FallsCopenhagen

GTF Great Falls - CPH Kastrup Copenhagen

GTFCPH

Great Falls

Sun 12/6

1:13 pm-5:25 pm

2 stops20h 12m

Kastrup Copenhagen

Wed 12/9

3:20 pm-5:41 pm

2 stops34h 21m

$807

Great FallsCopenhagen

GTF Great Falls - CPH Kastrup Copenhagen

GTFCPH

Great Falls

Mon 9/28

6:21 pm-6:45 am

2 stops28h 24m

Kastrup Copenhagen

Mon 10/5

6:00 am-5:41 pm

2 stops19h 41m

$988

Great FallsCopenhagen

GTF Great Falls - CPH Kastrup Copenhagen

GTFCPH

Great Falls

Mon 9/28

5:19 pm-1:55 pm

3 stops36h 36m

Kastrup Copenhagen

Mon 10/5

10:50 am-4:35 pm

2 stops37h 45m

$1,060
Quickest round-trip

Great FallsCopenhagen

GTF Great Falls - CPH Kastrup Copenhagen

GTFCPH

Great Falls

Mon 9/28

6:15 am-9:30 am

3 stops19h 15m

Kastrup Copenhagen

Mon 10/5

8:40 am-9:22 pm

3 stops20h 42m

$1,391

Great FallsCopenhagen

GTF Great Falls - CPH Kastrup Copenhagen

GTFCPH

Great Falls

Mon 9/28

5:19 pm-10:10 am

1 stop32h 51m

Kastrup Copenhagen

Mon 10/5

10:35 pm-4:35 pm

2 stops50h 00m

$1,507

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Great Falls to Copenhagen

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

Cheap Great Falls to Copenhagen (GTF to CPH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to Copenhagen

Best Price Found

$797

Fastest flight time

28h 24m

Direct flights

None
The best flight deal from Great Falls to Copenhagen found on momondo in the last 72 hours is $797
The fastest flight from Great Falls to Copenhagen takes 28h 24m
There are no direct flights from Great Falls to Copenhagen. There are no popular flight routes from Great Falls to Copenhagen.
Search flight deals

Frequently asked questions about flying from Great Falls to Copenhagen

  • How far is Great Falls to Kastrup Copenhagen by plane?

    The straight-line distance from Great Falls to Kastrup Copenhagen is 4601.1 mi. A reasonable flight in good conditions will take 28h 24m.

  • When did momondo last update prices for flights from Great Falls Airport to Kastrup Copenhagen Airport?

    Prices for flights from Great Falls Airport to Kastrup Copenhagen Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Great Falls Airport to Kastrup Copenhagen 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 Great Falls Airport to Kastrup Copenhagen Airport.

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

    The travel and health documents you'll need for your trip to Kastrup Copenhagen 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 Kastrup Copenhagen 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 Great Falls to Copenhagen

  • How do I get Price Alerts for flights from Great Falls to Copenhagen?

    Confirm your travel details to search for the latest offers for flights from Great Falls to Copenhagen. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Great Falls to Copenhagen 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 compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup
Roskilde

Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to Copenhagen?

Finding the right flight to Copenhagen from Great Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Copenhagen quick and easy, saving you time and money.

Can I find flights from Great Falls to Copenhagen with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Great Falls to Copenhagen flights to just show those with flexible booking policies.

How can momondo help me find flights from Great Falls to Copenhagen?

momondo helps you find the best flight between Great Falls and Copenhagen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

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