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Cheap flights from Southampton to Boise from £902

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BOI
23 May — 30 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Boise

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Boise
Explore the most affordable flight options available from Southampton to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 April 2026.

Mon 31/817:20
SOU
-
BOI
2 stops29h 18m
Delta
Tue 15/913:43
BOI
-
SOU
2 stops20h 07m
Delta
Deal found 21/4£902
Fri 4/909:05
SOU
-
BOI
2 stops20h 27m
Delta
Sun 20/923:30
BOI
-
SOU
2 stops26h 05m
Delta
Deal found 21/4£933
Sun 30/817:30
SOU
-
BOI
2 stops36h 34m
Delta
Sun 20/916:50
BOI
-
SOU
2 stops41h 00m
Delta
Deal found 21/4£962
Thu 27/809:15
SOU
-
BOI
2 stops21h 44m
Delta
Tue 15/910:23
BOI
-
SOU
2 stops23h 27m
Delta
Deal found 21/4£993
Sat 5/917:20
SOU
-
BOI
2 stops29h 18m
Delta
Fri 11/914:45
BOI
-
SOU
2 stops58h 50m
Delta
Deal found 21/4£1,003
Wed 9/917:20
SOU
-
BOI
2 stops50h 04m
Delta
Sun 20/923:30
BOI
-
SOU
2 stops34h 20m
Delta
Deal found 21/4£1,019
Thu 27/809:15
SOU
-
BOI
2 stops21h 44m
Delta
Sat 12/916:05
BOI
-
SOU
2 stops33h 30m
Delta
Deal found 21/4£1,022
Wed 26/809:15
SOU
-
BOI
2 stops18h 03m
Delta
Fri 11/914:45
BOI
-
SOU
2 stops58h 50m
Delta
Deal found 21/4£1,033
Thu 27/809:15
SOU
-
BOI
2 stops21h 44m
Delta
Fri 11/914:45
BOI
-
SOU
2 stops58h 50m
Delta
Deal found 21/4£1,064
Wed 26/809:15
SOU
-
BOI
2 stops18h 03m
Delta
Thu 10/914:45
BOI
-
SOU
2 stops43h 05m
Delta
Deal found 21/4£1,079

Find flight deals from Southampton to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 April 2026.

Round-trip from

£902

Popular in

December

Cheapest in

January

Average price

£622
Delta
  • Delta
  • 31/8-15/9
  • 4 total stops
  • 49h 25m total
  • Southampton to Boise
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Boise 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, Cheapflights users made 858,174 searches. Data last updated 23 April 2026.
Use the filters below to find and compare flights from Southampton to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Tue 8/9

09:05-20:18

2 stops18h 13m

Boise Air Term. Gowen Fld

Wed 23/9

05:40-08:35

2 stops19h 55m

£902

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Fri 4/9

09:05-20:18

2 stops18h 13m

Boise Air Term. Gowen Fld

Tue 22/9

10:23-16:50

2 stops23h 27m

£933

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Sat 5/9

17:20-15:38

2 stops29h 18m

Boise Air Term. Gowen Fld

Mon 21/9

16:05-08:35

2 stops33h 30m

£933

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Tue 1/9

17:20-15:38

2 stops29h 18m

Boise Air Term. Gowen Fld

Sat 19/9

10:23-16:50

2 stops23h 27m

£933

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Thu 10/9

09:05-20:18

2 stops18h 13m

Boise Air Term. Gowen Fld

Sat 19/9

10:23-16:50

2 stops23h 27m

£962

SouthamptonBoise

SOU - BOI

SOUBOI

Southampton Eastleigh

Thu 3/9

17:20-23:56

2 stops37h 36m

Boise Air Term. Gowen Fld

Fri 18/9

17:45-16:50

2 stops16h 05m

£962

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Sorted by cheapest first

Best time to book a flight from Southampton to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Southampton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Southampton to Boise?

    Departing from Southampton to Boise will take you 29h 18m. Airlines will cover a distance of 4828 mi.

  • Can I find deals for flights from Southampton to Boise that include hotel bookings?

    Yes. In addition to deals on Southampton to Boise flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Boise.

  • Can I find deals for business class flights from Southampton to Boise?

    Yes. Cheapflights offers flight deals from Southampton to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Deals for Southampton to Boise flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Boise?

Cheapflights simply makes it quick and affordable to book flights from Southampton to Boise by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Southampton to Boise with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Southampton to Boise flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Southampton to Boise become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Boise from Southampton today and book when prices fit your budget.

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