Need help booking?

Unpublished phone-only deals available

GTF to SOU: distance & flight time

Great Falls (Great Falls International Airport) → Southampton (Southampton Airport)

4,473 mi
7,199 km · 3,887 nm
9h 14m
estimated nonstop flight time
+7h
time difference · heading northeast
See live GTFSOU fares Phone-only fares on this route — call free

Flight time details

4,473 miles nonstop takes roughly 9h 14m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.

The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.

Frequently asked questions

How far is GTF from SOU?

The flight distance from Great Falls (GTF) to Southampton (SOU) is 4,473 miles (7,199 km, 3,887 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from GTF to SOU?

A nonstop flight takes about 9h 14m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the time difference between Great Falls and Southampton?

Southampton is 7 hours ahead of Great Falls.

What is the cheapest way to fly from GTF to SOU?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–SOU that never appear on search engines, with no booking fees.
Keep exploring:SOU to GTF Airports near GTF Airports near SOU Time difference GTFSOU Distance calculator