£475 Find cheap flights from Great Falls to the United Kingdom
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Great Falls to the United Kingdom departing on 14/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Return
1 adult
Economy
0 bags
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Good to know - Cheap tickets from Great Falls to the United Kingdom
Low season
April
High season
August
Cheapest flight
£475
Best time to beat the crowds (8% less expensive on average)
Most popular time to fly and prices are also 14% lower on average.
Flight from Great Falls to London
FAQs - booking United Kingdom flights
How does KAYAK find such low prices on flights from Great Falls to the United Kingdom?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Great Falls to the United Kingdom.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Great Falls to the United Kingdom?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to the United Kingdom from Great Falls is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Great Falls to the United Kingdom?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to the United Kingdom with an airline and back to Great Falls with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Great Falls to the United Kingdom?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to the United Kingdom from Great Falls up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
See more FAQs
Book cheap flights from Great Falls to the United Kingdom
Cheapest flights to the United Kingdom from Great Falls found in 2024 and 2025
Recent return flight deals
15/12Sun
2 stopsDelta
16h 44mGTF-LHR
22/12Sun
1 stopDelta
18h 03mLHR-GTF
£755
15/12Sun
1 stopVirgin Atlantic
18h 15mGTF-LHR
22/12Sun
1 stopVirgin Atlantic
18h 03mLHR-GTF
£762
15/12Sun
2 stopsVirgin Atlantic
22h 50mGTF-LHR
22/12Sun
2 stopsVirgin Atlantic
18h 23mLHR-GTF
£1,002
2/4Wed
2 stopsUnited Airlines
36h 45mGTF-LHR
5/4Sat
2 stopsUnited Airlines
37h 59mLHR-GTF
£1,346
2/4Wed
2 stopsUnited Airlines
43h 25mGTF-LHR
5/4Sat
1 stopUnited Airlines
13h 10mLHR-GTF
£1,356
2/4Wed
1 stopKLM
14h 20mGTF-LHR
5/4Sat
1 stopKLM
19h 04mLHR-GTF
£1,398
Search by stops
Search by airline
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Recent one-way flight deals
14/12Sat
2 stopsUnited Airlines
23h 05mGTF-LHR
£475
14/12Sat
1 stopUnited Airlines
20h 05mGTF-LHR
£516
Search by stops
Search by airline
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Everything you need to know for your flight from Great Falls to the United Kingdom
Information on your arrival and departure airports
Cabin class types available on flights to the United Kingdom
Cabin classes available on flights to the United Kingdom. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.
Flights from other airports in Great Falls to the United Kingdom
Flights from all airports in Great Falls to the United Kingdom. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.