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Find cheap one-way flights from San Diego to Boise starting at US$44.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from San Diego to Boise?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from San Diego to Boise

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Spirit Airlines
From US$44
Delta Air Lines
From US$92
Alaska Airlines
From US$101
Frontier Airlines
From US$107
United Airlines
From US$126
Southwest Airlines
From US$150
American Airlines
From US$154
ANA airlines

Find more flights and airlines

Find cheap flights from San Diego to Boise by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from San Diego to Boise.

  • Cheapest
    Spirit Airlines
    SAN
    14:38
    4h 18m
    1 transfer
    BOI
    19:56
    San Diego International Airport - Boise Airport
    Wed, May 22Spirit Airlines
    US$44
  • Spirit Airlines
    SAN
    14:38
    4h 18m
    1 transfer
    BOI
    19:56
    San Diego International Airport - Boise Airport
    Wed, May 22Spirit Airlines
    US$44
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from San Diego (SAN) to Boise (BOI) the cheapest?

    Airlines adjust prices for flights from San Diego to Boise based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from San Diego (SAN) to Boise (BOI) cost?

    According to Trip.com's data, the lowest price is around $352.
  • How long does it take to fly from San Diego (SAN) to Boise (BOI) and what is the distance?

    It takes around 2 hours 12 minutes to fly from San Diego (SAN) to Boise (BOI).
  • What is the transportation method from the main airport to downtown in Boise?

    • The distance from Boise Airport to downtown is about 7km. It takes about 20 minutes by taxi.
  • What are the most popular airlines that fly from San Diego (SAN) to Boise (BOI)?

    Airlines with flights from San Diego (SAN) to Boise (BOI): Alaska Airlines, Japan Airlines and Southwest Airlines.

San Diego to Boise Flight Information

Cheapest nonstop flight price

$44

Cheapest round-trip ticket price

$204

Off-season for travel

December

Peak season for travel

June