Cheap flights from Portsmouth to Boise

17 Aug — 24 Aug1
1 adult
Wed 17/8
Wed 24/8

How far in advance should I book a flight from Portsmouth to Boise?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 22% on flights from Portsmouth to Boise compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £859. For sooner than that we have options available in the next 3 days from £942.

What is the cheapest month to fly from Portsmouth to Boise?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, March can be a great choice for travel to Boise. Flights to Boise from Portsmouth in March are about £767 on average during March, but can be found for as low as £561.

When is the cheapest time to fly from Portsmouth to Boise (P0R - BOI)?

When flying from Portsmouth to Boise, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Useful info, stats and facts about Portsmouth to Boise flights.

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 8 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.

What are the most popular airlines that fly from Portsmouth to Boise?

When booking a flight from Portsmouth to Boise, you may want to consider flying on American Airlines, Air France or Finnair as they are the most popular for this route.

What are the cheapest flights from Portsmouth to Boise?

Looking at all options, your cheapest flight can be booked for £874. While the most popular route (Southampton Eastleigh - Boise Air Term. Gowen Fld) can be booked for £1,173 on average our data indicates £1,411 when flying from Portsmouth to Boise.

Other flights to Boise

Alternative routes for Portsmouth to Boise

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Portsmouth to Boise

The chart below displays the airlines Cheapflights users travelling from Portsmouth to Boise choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Virgin AtlanticCheapest£556Average£731FlexibilityNo cancel feeOn-time72%COVID-19 safety
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British AirwaysCheapest£615Average£773FlexibilityNo cancel feeOn-time70%COVID-19 safety
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KLMCheapest£619Average£977FlexibilityNo cancel feeOn-time75%COVID-19 safety
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FinnairCheapest£654Average£772FlexibilityNo cancel feeOn-time76%COVID-19 safety
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United AirlinesCheapest£703Average£868FlexibilityNo cancel feeOn-time69%COVID-19 safety
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American AirlinesCheapest£719Average£757FlexibilityNo cancel feeOn-time71%COVID-19 safety
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