Cheap flights from San Diego to Boise

Flights overview

Useful information for finding cheap flights from San Diego to Boise and booking your next trip
Cheapest round-trip flights $159
Frontier 1 stop 28 hr Sat, Feb 21 — Mon, Feb 23
The cheapest round-trip flight from San Diego to Boise is currently $159
Cheapest one-way flight $70
Frontier 1 stop 28 hr Wed, Feb 25
The cheapest one-way flight from San Diego to Boise is currently $70
Cheapest nonstop flights $167
Alaska Nonstop 3 hr Sat, Mar 7 — Sun, Mar 8
The cheapest nonstop round-trip flight from San Diego to Boise is currently $167
Last-minute weekend getaway $242
Frontier 1 stop 23 hr Thu, Jan 29 — Mon, Feb 2
The cheapest last-minute weekend getaway from San Diego to Boise is currently $242
Cheapest business class flights $397
Alaska Nonstop 3 hr Sat, Mar 7 — Sun, Mar 8
The cheapest business class round-trip flight from San Diego to Boise is currently $397
Fastest flight 2 hr 15 min The fastest nonstop flight from San Diego to Boise takes 2 hr 15 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from San Diego to Boise is typically September. The most expensive month to fly is typically July.
September
Cheapest
Typical prices: $135–345
July
Most expensive
Typical prices: $195–360

Popular airlines from San Diego to Boise

  • Alaska
    Nonstop
    from $167
    Typical price: $175–405
    14 weekly nonstop flights
    SAN - BOI Every day
    305 weekly connecting flights
    SAN - BOI Every day
  • Southwest
    Nonstop
    from $167
    Typical price: $185–410
    1 weekly nonstop flight
    SAN - BOI Every Sun
    405 weekly connecting flights
    SAN - BOI Every day
  • United
    from $194
    Typical price: $200–480
    197 weekly connecting flights
    SAN - BOI Every day
  • Delta
    from $187
    Typical price: $185–480
    163 weekly connecting flights
    SAN - BOI Every day
  • American
    from $246
    Typical price: $270–580
    70 weekly connecting flights
    SAN - BOI Every day
  • Frontier
    from $179
    Typical price: $190–420
    11 weekly connecting flights
    SAN - BOI Every Thu, Fri, Sat, Sun

Popular airports near San Diego

  • San Diego International Airport (SAN)
    San Diego United States 10 min 2 mi
  • Tijuana International Airport (TIJ)
    Tijuana Mexico 37 min 16 mi
  • Los Angeles International Airport (LAX)
    Los Angeles United States 2 hr 2 min 111 mi
  • John Wayne Airport (SNA)
    Santa Ana United States 1 hr 21 min 78 mi

Popular airports near Boise

  • Boise Airport (BOI)
    Boise United States 16 min 3 mi
  • Friedman Memorial Airport (SUN) (SUN)
    Sun Valley United States 2 hr 16 min 96 mi
  • Magic Valley Regional Airport (TWF)
    Twin Falls United States 2 hr 9 min 116 mi
  • Pocatello Regional Airport (PIH)
    Pocatello United States 3 hr 16 min 188 mi

Frequently asked questions about flying from San Diego to Boise

The cheapest flights from San Diego to Boise are usually in September. Typical ticket prices in September range from $135 to $345.
The cheapest round-trip flight from San Diego to Boise recently found on Google Flights was with Frontier from $159. The cheapest one-way flight was with Frontier from $70.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Alaska flight from San Diego to Boise is $167, flying from Mar 7 to Mar 8.
  • The cheapest Southwest flight from San Diego to Boise is $167, flying from Apr 4 to Apr 5.
  • The cheapest United flight from San Diego to Boise is $194, flying from Apr 18 to Apr 20.
  • The cheapest Delta flight from San Diego to Boise is $187, flying from Feb 28 to Mar 1.
  • The cheapest American flight from San Diego to Boise is $246, flying from Feb 27 to Mar 2.
  • The cheapest Frontier flight from San Diego to Boise is $179, flying from Feb 21 to Feb 22.
The cheapest round-trip flight from San Diego to Boise starts at $159 from Sat, Feb 21 to Mon, Feb 23. The cheapest one-way flight starts at $70 and departs on Wed, Feb 25.
2 hr 15 min is the shortest flight time from San Diego to Boise.
The most popular time to visit Boise is summer (Jun–Aug), when days are typically hot and dry. Temperatures can drop below freezing in winter (Nov–Feb). Big-name acts and local bands perform at the Boise Music Festival (Jun).
It's easy to use Google Flights to find the cheapest days to fly from San Diego to Boise.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from San Diego to Boise really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from San Diego to Boise.

In terms of nonstop flights, Alaska is the most popular. Alaska offers 14 nonstop flights and 305 connecting flights per week. Alaska flies from San Diego International Airport (SAN) to Boise Airport (BOI) .

In terms of flights, Southwest is the most popular. Southwest offers 1 nonstop flights and 405 connecting flights per week. Southwest flies from San Diego International Airport (SAN) to Boise Airport (BOI) .

Other popular airlines flying from San Diego to Boise are:
  • United offers 197 connecting flights per week. United flies from San Diego International Airport (SAN) to Boise Airport (BOI) .
  • Delta offers 163 connecting flights per week. Delta flies from San Diego International Airport (SAN) to Boise Airport (BOI) .
  • American offers 70 connecting flights per week. American flies from San Diego International Airport (SAN) to Boise Airport (BOI) .
  • Frontier offers 11 connecting flights per week. Frontier flies from San Diego International Airport (SAN) to Boise Airport (BOI) .
The number of connecting flights refers to distinct flights with at least one stop between San Diego and Boise.
The cheapest round-trip flight from San Diego to Boise recently found on Google Flights was with Frontier from $159. The cheapest one-way flight was with Frontier from $70.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Alaska flight from San Diego to Boise is $167, flying from Mar 7 to Mar 8.
  • The cheapest Southwest flight from San Diego to Boise is $167, flying from Apr 4 to Apr 5.
  • The cheapest United flight from San Diego to Boise is $194, flying from Apr 18 to Apr 20.
  • The cheapest Delta flight from San Diego to Boise is $187, flying from Feb 28 to Mar 1.
  • The cheapest American flight from San Diego to Boise is $246, flying from Feb 27 to Mar 2.
  • The cheapest Frontier flight from San Diego to Boise is $179, flying from Feb 21 to Feb 22.
Alaska and Southwest fly direct from San Diego to Boise.
  • There are 14 Alaska direct flights from San Diego to Boise per week. Flights are available every day.
  • There are 1 Southwest direct flights from San Diego to Boise per week. Flights are available on Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between San Diego and Boise at price $242 is offered by Frontier from Thu, Jan 29 to Mon, Feb 2.
Alaska and Southwest fly direct from San Diego to Boise.
  • There are 14 Alaska direct flights from San Diego to Boise per week. Flights are available every day.
  • There are 1 Southwest direct flights from San Diego to Boise per week. Flights are available on Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from San Diego to Boise on a daily basis.
The cheapest direct (nonstop) round-trip flights between San Diego and Boise start at $167 from Sat, Mar 7 to Sun, Mar 8 with Alaska.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from San Diego to Boise, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between San Diego and Boise start at $397 from Sat, Mar 7 to Sun, Mar 8 with Alaska.
The cheapest economy class round-trip flights between San Diego and Boise start at $159 from Sat, Feb 21 to Mon, Feb 23.
To book business class trips from San Diego to Boise, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between San Diego and Boise starts at $242 from Thu, Jan 29 to Mon, Feb 2 with Frontier.
The cheapest last-minute deal between San Diego and Boise at price $242 is offered by Frontier from Thu, Jan 29 to Mon, Feb 2.
To find last-minute flight deals from San Diego to Boise, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

Search more flights

Popular trips from San Diego

  1. New York
    $180
    Apr 18 — Apr 20
    1 stop 8 hr 55 min Frontier
  2. Las Vegas
    $77
    Apr 23 — Apr 27
    Nonstop 1 hr 26 min Frontier
  3. Seattle
    $149
    Feb 26 — Mar 2
    1 stop 5 hr 30 min Frontier
  4. Honolulu
    $256
    Mar 5 — Mar 9
    1 stop 8 hr 28 min United

Find cheap flights from San Diego to anywhere

Find cheap flights on popular routes