Cheap flights from Southampton to Idaho from £848

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Idaho departing on 3/5. 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
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
17:20 - 21:01
SOU
-
BOI
34h 41m
2 stops
Delta Logo
18:08 - 16:50
BOI
-
SOU
39h 42m
2 stops
£848Delta
Sun, 3 May - Sun, 17 May
Delta Logo
09:15 - 21:24
SOU
-
BOI
19h 09m
2 stops
Delta Logo
20:55 - 16:50
BOI
-
SOU
36h 55m
2 stops
£878Delta
Sat, 2 May - Sun, 17 May
Delta Logo
17:20 - 16:14
SOU
-
BOI
29h 54m
2 stops
Delta Logo
20:55 - 08:45
BOI
-
SOU
52h 50m
2 stops
£884Delta
Sun, 3 May - Thu, 21 May
Delta Logo
17:20 - 16:14
SOU
-
BOI
29h 54m
2 stops
Delta Logo
08:59 - 08:35
BOI
-
SOU
40h 36m
2 stops
£895Delta
Fri, 1 May - Wed, 20 May
Delta Logo
09:15 - 21:01
SOU
-
BOI
42h 46m
2 stops
Delta Logo
15:23 - 08:35
BOI
-
SOU
58h 12m
2 stops
£908Delta
Sun, 3 May - Tue, 2 Jun
Delta Logo
09:15 - 21:24
SOU
-
BOI
19h 09m
2 stops
Delta Logo
20:55 - 08:45
BOI
-
SOU
52h 50m
2 stops
£914Delta
Sat, 2 May - Thu, 21 May
Delta Logo
09:15 - 21:24
SOU
-
BOI
19h 09m
2 stops
Delta Logo
12:16 - 16:50
BOI
-
SOU
21h 34m
2 stops
£925Delta
Sat, 2 May - Fri, 15 May
Delta Logo
17:20 - 16:14
SOU
-
BOI
29h 54m
2 stops
Delta Logo
20:55 - 08:45
BOI
-
SOU
52h 50m
2 stops
£931Delta
Fri, 1 May - Thu, 21 May
Delta Logo
09:15 - 23:00
SOU
-
BOI
20h 45m
2 stops
Delta Logo
15:23 - 08:35
BOI
-
SOU
58h 12m
2 stops
£938Delta
Sat, 2 May - Tue, 2 Jun
Delta Logo
17:20 - 16:14
SOU
-
BOI
29h 54m
2 stops
Delta Logo
12:16 - 16:50
BOI
-
SOU
21h 34m
2 stops
£942Delta
Fri, 1 May - Fri, 15 May

momondo Fare Finder

 
Customise your flight search to find flights from Southampton to Idaho 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 February 2026.
Use the filters below to find and compare flights from Southampton to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Sun 3/5

17:20-21:01

2 stops34h 41m

Boise Air Term. Gowen Fld

Sun 17/5

18:08-16:50

2 stops39h 42m

£848

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Sat 2/5

09:15-21:24

2 stops19h 09m

Boise Air Term. Gowen Fld

Sun 17/5

20:55-16:50

2 stops36h 55m

£878

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Sun 3/5

17:20-16:14

2 stops29h 54m

Boise Air Term. Gowen Fld

Thu 21/5

20:55-08:45

2 stops52h 50m

£884

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Fri 1/5

17:20-16:14

2 stops29h 54m

Boise Air Term. Gowen Fld

Wed 20/5

08:59-08:35

2 stops40h 36m

£895

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Sun 3/5

09:15-21:01

2 stops42h 46m

Boise Air Term. Gowen Fld

Tue 2/6

15:23-08:35

2 stops58h 12m

£908

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Sat 2/5

09:15-21:24

2 stops19h 09m

Boise Air Term. Gowen Fld

Thu 21/5

20:55-08:45

2 stops52h 50m

£914

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Sat 2/5

09:15-21:24

2 stops19h 09m

Boise Air Term. Gowen Fld

Fri 15/5

12:16-16:50

2 stops21h 34m

£925

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Fri 1/5

17:20-16:14

2 stops29h 54m

Boise Air Term. Gowen Fld

Thu 21/5

20:55-08:45

2 stops52h 50m

£931

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Sat 2/5

09:15-23:00

2 stops20h 45m

Boise Air Term. Gowen Fld

Tue 2/6

15:23-08:35

2 stops58h 12m

£938

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Fri 1/5

17:20-16:14

2 stops29h 54m

Boise Air Term. Gowen Fld

Fri 15/5

12:16-16:50

2 stops21h 34m

£942

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Idaho from

How to get the cheapest flight ticket from Southampton to Idaho

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

Which airlines fly to Idaho?

United Airlines, Virgin Atlantic and Lufthansa are the top three most popular airlines that fly to Idaho from Southampton according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Idaho. Keep in mind that there are 3 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

Cheap Southampton to Idaho flight deals and tips

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

Fastest flight time

22h 12m

Direct flights

None
The fastest flight from Southampton to Idaho takes 22h 12m
There are no direct flights from Southampton to Idaho. There are no popular flight routes from Southampton to Idaho.
  • When did momondo last update prices for flights from Southampton Eastleigh Airport to Idaho?

    Prices for flights from Southampton Eastleigh Airport to Idaho are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Southampton Eastleigh Airport to Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Southampton to Idaho for you.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Southampton to Idaho.

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

If you are not ready to book a flight from Southampton to Idaho now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho and let you know when they change.

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1 adult
Wed 18/3
Wed 25/3

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