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Cheap flights from Montana to London from £1,002

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to London departing on 26/9. 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 Montana to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:27 - 19:30MSO  Missoula Johnson-Bell Field-SOU Southampton Eastleigh
23h 03m2 stops Dallas/Fort Worth Dublin
Multiple Airlines Logo
17:20 - 12:35SOU  Southampton Eastleigh-MSO Missoula Johnson-Bell Field
50h 15m2 stops Dublin Chicago O'Hare Intl
£1,002Multiple Airlines
Sat, 26 Sep - Sat, 3 Oct
Multiple Airlines Logo
12:45 - 16:50MSO  Missoula Johnson-Bell Field-SOU Southampton Eastleigh
21h 05m3 stops Chicago O'Hare Intl London Heathrow Dublin
Multiple Airlines Logo
09:20 - 12:11SOU  Southampton Eastleigh-MSO Missoula Johnson-Bell Field
33h 51m3 stops Dublin Chicago O'Hare Intl Dallas/Fort Worth
£5,589Multiple Airlines
Sat, 26 Sep - Sat, 3 Oct

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Customise your flight search to find flights from Montana to Southampton 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 279,928 searches. Data last updated 16 August 2026.
Use the filters below to find and compare flights from Montana to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MissoulaSouthampton

MSO Missoula Johnson-Bell Field - SOU Southampton Eastleigh

MSOSOU

Missoula Johnson-Bell Field

Sat 26/9

13:27-19:30

2 stops23h 03m

Southampton Eastleigh

Sat 3/10

17:20-12:35

2 stops50h 15m

£1,002
Fastest return journey

MissoulaSouthampton

MSO Missoula Johnson-Bell Field - SOU Southampton Eastleigh

MSOSOU

Missoula Johnson-Bell Field

Sat 26/9

12:45-16:50

3 stops21h 05m

Southampton Eastleigh

Sat 3/10

09:20-12:11

3 stops33h 51m

£5,589

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Montana to Southampton

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

How long does it take to fly to Southampton?

The average flight duration from Montana to Southampton depends on which airport you fly into and out of. Flying from Missoula to London Heathrow Airport is 12h 02m on average, while flying from Kalispell to London Heathrow Airport is 12h 11m on average. London Heathrow Airport is the most popular airport in Southampton.

Cheap Montana to Southampton flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Southampton

Fastest flight time

23h 03m

Direct flights

None
The fastest flight from Montana to Southampton takes 23h 03m
There are no direct flights from Montana to Southampton. There are no popular flight routes from Montana to Southampton.
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Frequently asked questions about flying from Montana to Southampton

  • When did momondo last update prices for flights from Montana to Southampton Eastleigh Airport?

    Prices for flights from Montana to Southampton Eastleigh Airport were last updated today.

  • How old do you have to be to fly from Montana to Southampton Eastleigh Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montana to Southampton Eastleigh Airport.

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

    The travel and health documents you'll need for your trip to Southampton Eastleigh 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 Southampton Eastleigh Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Southampton?

It is quick and easy to find Montana to Southampton flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Southampton that suits you.

Can I find flights from Montana to Southampton with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Montana to Southampton flights to just show those with flexible booking policies.

How can momondo help me find flights from Montana to Southampton?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southampton from Montana.

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

Yes momondo offers price alerts on flights to Southampton from Montana. 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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