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Cheap flights from Portsmouth to Boise

LHR — BOI
15 Nov — 22 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Boise

Popular in

December

Cheapest in

January

Average price

£864
High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Related info for your journey

  • What airport do you fly into for flights to Boise from Portsmouth?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly into if you book a flight from Portsmouth to Boise. You should not have trouble finding flights to Air Term. Gowen Fld from Portsmouth; the airport handles an average of 0 inbound flights from Portsmouth per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Boise airport from Portsmouth. It is only a 3.3 mi journey from Air Term. Gowen Fld (BOI) to Boise’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth 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.

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Top 4 airlines flying from Portsmouth to Boise

AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£514Average£779FlexibilityNo cancel feeOn-time76%
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United AirlinesCheapest£531Average£714FlexibilityNo cancel feeOn-time69%
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Alaska AirlinesCheapest£727Average£883FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Virgin AtlanticCheapest£727Average£858FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

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

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