San Diego to Boise flights

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Fare seen

€81Seen on 11 Sep 2026

Last checked

11 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €98

26 Oct 2026

Alaska Airlines · 1 stop · One way

Cheapest observed day · Last checked: 11 Sep 2026

Departure

10:05

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Airlines seen: Alaska Airlines, Frontier Airlines, United Airlines
Typical journey time: 4h 24m

Short answer

We have seen Alaska Airlines fares from San Diego to Boise. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare. Fare seen: €81 on 11 Sep 2026.

About this route

Explore the fares we observed from San Diego to Boise. Prices move often, so pick your dates to see the latest options.

Route distance: 1,215 km
Typical journey time: 4h 24m
Airlines seen: Alaska Airlines, Frontier Airlines, United Airlines
Seen on fares with a connection: Alaska Airlines, Frontier Airlines, United Airlines
Alternative airports: CLD

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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The price is final on the provider's site, where your booking is completed.

How our prices work

Airport to city: straight-line distance

San Diego International Airport (SAN) → San Diego, city gazetteer reference point (32.7153, -117.1573): ≈ 4 km.
McClellan-Palomar Airport (CLD) → San Diego, city gazetteer reference point (32.7153, -117.1573): ≈ 47 km.
Boise Air Terminal/Gowen Field (BOI) → Boise, city gazetteer reference point (43.6150, -116.2023): ≈ 6 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much was a flight from San Diego to Boise?

A fare of €81 was seen on 11 Sep 2026. Fares change, so search your dates for the current price.

Are there direct flights from San Diego to Boise?

Our data holds no non-stop flight from San Diego to Boise. The fares on this page include at least one stop.

Which airlines fly from San Diego to Boise?

These are the carriers we have seen on the route: Alaska Airlines, Frontier Airlines, United Airlines.

How long does the flight from San Diego to Boise take?

The average journey time across the 71 fares we observed is 6h 17m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide