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Cheap flights from Montana to London from $1,135

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to London departing on 3/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Montana to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:20 am - 8:20 am
MSO
-
SOU
45h 00m
2 stops
Delta Logo
8:50 am - 12:24 am
SOU
-
MSO
45h 34m
2 stops
$1,135Delta
Mon, Mar 16 - Tue, Mar 24
Delta Logo
6:04 pm - 5:00 pm
MSO
-
SOU
40h 56m
2 stops
Delta Logo
8:50 am - 5:23 pm
SOU
-
MSO
38h 33m
2 stops
$1,142Delta
Sun, Mar 15 - Tue, Mar 24
Delta Logo
8:32 am - 8:20 am
MSO
-
SOU
17h 48m
2 stops
Delta Logo
5:40 pm - 8:02 pm
SOU
-
MSO
32h 22m
2 stops
$1,299Delta
Mon, Mar 16 - Mon, Mar 23
Delta Logo
6:04 pm - 5:00 pm
MSO
-
SOU
40h 56m
2 stops
Delta Logo
5:40 pm - 8:02 pm
SOU
-
MSO
32h 22m
2 stops
$1,306Delta
Sun, Mar 15 - Mon, Mar 23
Delta Logo
5:20 am - 8:20 am
MSO
-
SOU
45h 00m
2 stops
Delta Logo
8:50 am - 8:02 pm
SOU
-
MSO
17h 12m
2 stops
$1,307Delta
Mon, Mar 16 - Thu, Mar 19
Delta Logo
6:04 pm - 5:00 pm
MSO
-
SOU
40h 56m
2 stops
Delta Logo
6:05 pm - 8:02 pm
SOU
-
MSO
31h 57m
2 stops
$1,314Delta
Sun, Mar 15 - Thu, Mar 19
Delta Logo
5:20 am - 8:50 am
MSO
-
SOU
45h 30m
2 stops
Delta Logo
8:50 am - 12:24 am
SOU
-
MSO
45h 34m
2 stops
$1,459Delta
Thu, Mar 12 - Wed, Mar 18
Delta Logo
5:20 am - 8:50 am
MSO
-
SOU
45h 30m
2 stops
Delta Logo
8:50 am - 5:23 pm
SOU
-
MSO
38h 33m
2 stops
$1,485Delta
Thu, Mar 12 - Tue, Mar 24
Delta Logo
1:07 pm - 8:50 am
MSO
-
SOU
37h 43m
2 stops
Delta Logo
5:40 pm - 8:02 pm
SOU
-
MSO
32h 22m
2 stops
$1,649Delta
Thu, Mar 12 - Mon, Mar 23
Delta Logo
1:07 pm - 8:20 am
MSO
-
SOU
37h 13m
2 stops
Delta Logo
8:50 am - 8:02 pm
SOU
-
MSO
41h 12m
2 stops
$1,678Delta
Sat, Mar 14 - Thu, Mar 19

Delta flights from Montana to Southampton

Our best Delta deals on Montana to Southampton flight tickets
Delta
Mar 16
MSO5:20 amMissoula Johnson-Bell Field
45h 00m
2 stops
SOU8:20 amSouthampton Eastleigh
Mar 24
SOU8:50 amSouthampton Eastleigh
45h 34m
2 stops
MSO12:24 amMissoula Johnson-Bell Field
$1,135
Delta
Mar 15
MSO6:04 pmMissoula Johnson-Bell Field
40h 56m
2 stops
SOU5:00 pmSouthampton Eastleigh
Mar 24
SOU8:50 amSouthampton Eastleigh
38h 33m
2 stops
MSO5:23 pmMissoula Johnson-Bell Field
$1,142
Delta
Mar 16
MSO8:32 amMissoula Johnson-Bell Field
17h 48m
2 stops
SOU8:20 amSouthampton Eastleigh
Mar 23
SOU5:40 pmSouthampton Eastleigh
32h 22m
2 stops
MSO8:02 pmMissoula Johnson-Bell Field
$1,299

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 11, 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

MissoulaSouthampton

MSO - SOU

MSOSOU

Missoula Johnson-Bell Field

Mon 3/16

5:20 am-8:20 am

2 stops45h 00m

Southampton Eastleigh

Tue 3/24

8:50 am-12:24 am

2 stops45h 34m

$1,135

MissoulaSouthampton

MSO - SOU

MSOSOU

Missoula Johnson-Bell Field

Sun 3/15

6:04 pm-5:00 pm

2 stops40h 56m

Southampton Eastleigh

Tue 3/24

8:50 am-5:23 pm

2 stops38h 33m

$1,142

MissoulaSouthampton

MSO - SOU

MSOSOU

Missoula Johnson-Bell Field

Mon 3/16

8:32 am-8:20 am

2 stops17h 48m

Southampton Eastleigh

Mon 3/23

5:40 pm-8:02 pm

2 stops32h 22m

$1,299

MissoulaSouthampton

MSO - SOU

MSOSOU

Missoula Johnson-Bell Field

Sun 3/15

6:04 pm-5:00 pm

2 stops40h 56m

Southampton Eastleigh

Mon 3/23

5:40 pm-8:02 pm

2 stops32h 22m

$1,306

MissoulaSouthampton

MSO - SOU

MSOSOU

Missoula Johnson-Bell Field

Mon 3/16

5:20 am-8:20 am

2 stops45h 00m

Southampton Eastleigh

Thu 3/19

8:50 am-8:02 pm

2 stops17h 12m

$1,307

MissoulaSouthampton

MSO - SOU

MSOSOU

Missoula Johnson-Bell Field

Sun 3/15

6:04 pm-5:00 pm

2 stops40h 56m

Southampton Eastleigh

Thu 3/19

6:05 pm-8:02 pm

2 stops31h 57m

$1,314

MissoulaSouthampton

MSO - SOU

MSOSOU

Missoula Johnson-Bell Field

Thu 3/12

5:20 am-8:50 am

2 stops45h 30m

Southampton Eastleigh

Wed 3/18

8:50 am-12:24 am

2 stops45h 34m

$1,459

MissoulaSouthampton

MSO - SOU

MSOSOU

Missoula Johnson-Bell Field

Thu 3/12

5:20 am-8:50 am

2 stops45h 30m

Southampton Eastleigh

Tue 3/24

8:50 am-5:23 pm

2 stops38h 33m

$1,485

MissoulaSouthampton

MSO - SOU

MSOSOU

Missoula Johnson-Bell Field

Thu 3/12

1:07 pm-8:50 am

2 stops37h 43m

Southampton Eastleigh

Mon 3/23

5:40 pm-8:02 pm

2 stops32h 22m

$1,649

MissoulaSouthampton

MSO - SOU

MSOSOU

Missoula Johnson-Bell Field

Sat 3/14

1:07 pm-8:20 am

2 stops37h 13m

Southampton Eastleigh

Thu 3/19

8:50 am-8:02 pm

2 stops41h 12m

$1,678

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

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?

Average flight duration from Montana to Southampton depends on which airport you fly into and out of. Flying from Billings to London Heathrow Airport is 11h 29m on average, while flying from Bozeman to London Heathrow Airport is 11h 45m 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

28h 50m

Direct flights

None
The fastest flight from Montana to Southampton takes 28h 50m
There are no direct flights from Montana to Southampton. There are no popular flight routes from Montana to Southampton.
Search flight deals

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

    Prices for flights from Montana to Southampton Eastleigh Airport are refreshed on a daily basis.

  • 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.

Traveling 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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montana to Southampton. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Montana to Southampton on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Montana and Southampton 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 Montana to Southampton right now. Can momondo alert me if prices change?

Price alerts on flights to Southampton from Montana are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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