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Cheap flights from Southampton to Idaho

SOU — BOI
27 Aug — 3 Sep1
1 adult

Cheap flight deals from Southampton to Idaho

Keep the following information in mind while searching for Southampton to Idaho flight deals. Data was last updated 22 August 2025.

Popular in

July

Cheapest in

November

Average price

£874
Highest demand for flights based on searches. 14% potential increase in price (£87 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Cheapflights Insights

Everything you need to know about your flight from Southampton to Idaho

What is the cheapest month to book a flight from Southampton to Idaho?

Currently, October is the cheapest month in which you can book a flight from Southampton to Idaho (average of £754). Flying from Southampton to Idaho in August is currently the most expensive (average of £1,152). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

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

  • What airport do you fly from for flights from Southampton to Idaho?

    Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to Idaho. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Southampton to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Southampton to Idaho (average of £754). Flying from Southampton to Idaho in August is currently the most expensive (average of £1,152). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Southampton to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Yes! Cheapflights helps users easily find flights from Southampton to Idaho with no change fees.

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