BOI - SAN

$59 Find Cheap Flights from Boise to San Diego - Compare and Save

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Everything you should know

Cheapest round-trip
$132
Typical prices: $193-$368
Southwest
Sat 10/13Sat 10/13
BOI - SAN • Non-stop
Cheapest non-stop
$134
Typical prices: $194-$376
Southwest
Tue 12/4Fri 12/7
BOI - SAN • Non-stop
Nonstop flights
You can fly direct with Southwest and Alaska Airlines. Average duration is 2h 20m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 7 weeks in advance save around 53% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 28% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $185 (round-trip)
Shortest trip • 3h 44m (one-way)
Insights
Insights
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We hope you love your trip to San Diego!
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Expert advice
Flight Deals

Cheap Flights from Boise to San Diego (BOI-SAN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boise to San Diego

Tue, Oct 13 - Tue, Oct 13
Southwest Logo
7:00 am - 8:15 amBOI  Boise Air Term. Gowen Fld-SAN San Diego
2h 15mnonstop
Southwest Logo
3:50 pm - 11:15 pmSAN  San Diego-BOI Boise Air Term. Gowen Fld
6h 25m2 stops Sacramento Intl Las Vegas Harry Reid Intl
$132Southwest
Wed, Dec 9 - Sat, Dec 12
Southwest Logo
12:40 pm - 5:25 pmBOI  Boise Air Term. Gowen Fld-SAN San Diego
5h 45m2 stops San Jose Las Vegas Harry Reid Intl
Southwest Logo
9:20 am - 12:40 pmSAN  San Diego-BOI Boise Air Term. Gowen Fld
2h 20mnonstop
$132Southwest
Fri, Dec 4 - Mon, Dec 7
Alaska Airlines Logo
8:54 am - 10:19 amBOI  Boise Air Term. Gowen Fld-SAN San Diego
2h 25mnonstop
Alaska Airlines Logo
7:55 pm - 11:13 pmSAN  San Diego-BOI Boise Air Term. Gowen Fld
2h 18mnonstop
$134Alaska Airlines
Fri, Oct 23 - Sat, Oct 24
Alaska Airlines Logo
7:37 pm - 8:58 pmBOI  Boise Air Term. Gowen Fld-SAN San Diego
2h 21mnonstop
Alaska Airlines Logo
10:29 am - 1:47 pmSAN  San Diego-BOI Boise Air Term. Gowen Fld
2h 18mnonstop
$134Alaska Airlines
Mon, Sep 28 - Wed, Sep 30
Delta Logo
6:44 pm - 11:52 pmBOI  Boise Air Term. Gowen Fld-SAN San Diego
6h 08m1 stop Salt Lake City
Delta Logo
7:11 pm - 11:58 pmSAN  San Diego-BOI Boise Air Term. Gowen Fld
3h 47m1 stop Salt Lake City
$137Delta
Mon, Nov 23 - Tue, Dec 1
Delta Logo
6:45 pm - 11:53 pmBOI  Boise Air Term. Gowen Fld-SAN San Diego
6h 08m1 stop Salt Lake City
Delta Logo
9:53 am - 5:53 pmSAN  San Diego-BOI Boise Air Term. Gowen Fld
7h 00m1 stop Salt Lake City
$157Delta
Thu, Sep 17 - Wed, Sep 23
Frontier Logo
2:50 pm - 8:17 pmBOI  Boise Air Term. Gowen Fld-SAN San Diego
6h 27m1 stop Las Vegas Harry Reid Intl
Frontier Logo
5:54 pm - 1:55 pmSAN  San Diego-BOI Boise Air Term. Gowen Fld
19h 01m1 stop Las Vegas Harry Reid Intl
$166Frontier
Thu, Oct 8 - Sun, Oct 11
Frontier Logo
2:50 pm - 7:49 pmBOI  Boise Air Term. Gowen Fld-SAN San Diego
5h 59m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:34 pm - 1:55 pmSAN  San Diego-BOI Boise Air Term. Gowen Fld
16h 21m1 stop Las Vegas Harry Reid Intl
$184Frontier
Thu, Feb 4 - Sun, Feb 7
United Airlines Logo
8:00 am - 1:44 pmBOI  Boise Air Term. Gowen Fld-SAN San Diego
6h 44m1 stop San Francisco
United Airlines Logo
7:15 am - 3:03 pmSAN  San Diego-BOI Boise Air Term. Gowen Fld
6h 48m1 stop San Francisco
$193United Airlines
Tue, Feb 2 - Sun, Feb 7
United Airlines Logo
5:26 pm - 10:28 pmBOI  Boise Air Term. Gowen Fld-SAN San Diego
6h 02m1 stop Denver Intl
United Airlines Logo
7:15 am - 3:03 pmSAN  San Diego-BOI Boise Air Term. Gowen Fld
6h 48m1 stop San Francisco
$193United Airlines
Booking Insights

Price, demand and travel trends for Boise to San Diego flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Boise to San Diego with more confidence.

How much is a round-trip flight from Boise to San Diego?

Round-trip flights from Boise to San Diego start at $132. Prices are below average for this route right now, with typical round-trip fares ranging from $193 to $368. The lowest price found in the past 5 days was $132 on Southwest.

What's the cheapest day of the week to fly from Boise to San Diego?

Saturday is the cheapest day of the week to fly from Boise to San Diego, it is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 22% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Boise to San Diego?

  • January is the cheapest month to fly from Boise to San Diego at $196 round-trip.
  • March ($354) and November ($336) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 80% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Boise to San Diego the cheapest?

Flights from Boise to San Diego are cheapest 7 weeks before departure. Booking in this window typically costs about 53% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Boise to San Diego

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Key details for Boise to San Diego flights

Low season

January

Cheapest flight

$59
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly with an average 13% increase in price.
Flight from Boise to San Diego

When to book flights from Boise to San Diego

Are your dates flexible? Find out the best times to travel from Boise to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boise to San Diego flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • How can I get from Boise city center to BOI airport?

    If you drive to the airport, the Long-term Central Garage right across from the Passenger terminal can be accessed using the sky bridge. The Short-term Lot is in front of the Long-term Central Garage for short-term parking. In West Garage, short-term and long-term parking facilities are available. The passenger drop-off is connected to the departure terminal if you are dropped off by a taxi.

  • How early should I get to BOI?

    Due to longer wait hours and busier terminals, we encourage you to arrive at least 2h before your flight to get through security checks and still have some time to look around and even grab a bite. The ticket desks and check-in counters for commercial airlines are situated on the 2nd floor of the terminal.

  • Are there nursing mothers' rooms at SAN?

    Nursing mothers who prefer to nurse and pump in a private place have nursing rooms located past-security, two in the first terminal and the other at terminal 2. They have bathing spaces, charging outlets, cozy seats, wall arts, kid's seats, soft lighting, and a lockable door for privacy.

  • Can I travel with my pet through SAN?

    Yes. SAN welcomes all pets only if they are kept on a leash or carrier within the terminals, except for service animals. The pet relief regions are located inside after security at terminal 2 next to washrooms in gates 46 to 47, and at Terminals 1 and 2 at the Arrivals region. Head west from the area situated at the terminal entrance.

  • Which airlines offer extra legroom and free seat selection on Boise to San Diego flights?

    Among airlines operating Boise to San Diego flights:

    • Southwest: offers free seat selection
    • Alaska Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Boise to San Diego?

    2 airlines operate flights between Boise and San Diego. The airlines offering nonstop flights on this route include:

    • Southwest
    • Alaska Airlines

  • Which airports can I use when flying from Boise to San Diego?

    Flights from Boise to San Diego usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at San Diego (SAN).

  • Which airlines include bags at no extra cost on Boise to San Diego flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Southwest: a cabin bag and a checked bag in Economy Class
    • Alaska Airlines: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Boise to San Diego?

    Two cabin classes are available on flights from Boise to San Diego:

    • Economy Class
    • First Class

  • How much can I save by taking a layover when flying from Boise to San Diego?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $185 round-trip via Seattle/Tacoma Intl (SEA), compared to $275 for nonstop.

  • What is the standard checked-bag allowance on flights from Boise to San Diego?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Boise to San Diego?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

  • Which airports do connecting flights from Boise to San Diego pass through?

    One-stop flights from Boise to San Diego most commonly connect through:

    • Salt Lake City (SLC) - 42% of one-stop connections
    • San Francisco (SFO) - 22% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 14% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 8% of one-stop connections

    Salt Lake City (SLC) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Boise to San Diego?

    On the Boise to San Diego route, being flexible with your departure day can save you up to 26%. Saturday is the cheapest day at $246 round-trip on average, while Sunday is the most expensive at $332: a $86 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How are flight departures from Boise to San Diego spread across the day?

    Morning is the busiest departure period on Boise to San Diego flights, with 50% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 0%.

  • What popular places can I visit in San Diego?

    Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

  • What are the earliest and latest flights from Boise to San Diego?

    These are the earliest and latest flight times available from Boise to San Diego:

    • Earliest: departs at 5:50 am and lands at 8:10 am
    • Latest: departs at 8:22 pm and lands at 10:42 pm.

    The flight takes about 2h 20m.

  • How expensive are last-minute Boise to San Diego flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 54% above the route average of $272. Book 7 weeks before departure for the lowest fares.

  • How long is a flight from Boise to San Diego?

    A nonstop flight from Boise to San Diego takes 2h 20m, covering 750 miles.

  • Do I need a passport to fly from Boise to San Diego?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from Boise to San Diego looking right now?

    One-way fares from Boise to San Diego are currently lower than usual. Average one-way flight prices are about $78, which is 54% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Boise to San Diego?

    Flying via Sacramento Intl (SMF) gives the shortest average 1-stop total travel time at 3h 44m, compared with 4h 11m via Salt Lake City (SLC) and 5h 01m via Oakland (OAK).

  • What is the time difference between Boise and San Diego?

    San Diego is 1 hour behind Boise (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at San Diego Airport (SAN)?

    San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
    · Dollar
    · Payless
    · Europcar
    · Thrifty
    · Fox

  • How much should I expect to pay for a Boise to San Diego flight?

    Round-trip flights from Boise to San Diego range from $193 to $368, with an average of $272 over the past 12 months. Anything below $193 counts as a good deal.

  • Which airlines offer Wi-Fi on Boise to San Diego flights?

    Two airlines offer in-flight Wi-Fi on Boise to San Diego flights:

    • • Alaska Airlines
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Boise to San Diego flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $246 - about $86 less than Sunday (26% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 7 weeks before you fly. On this route, that window historically saves about 53% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boise to San Diego trip for January. Fares historically average $196 round-trip in that month - typically $158 less than the most expensive month, which is March (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Seattle/Tacoma Intl Airport (SEA) can be cheaper than flying direct. The cheapest layover option averages $185 round-trip on this route - about $90 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Diego Airport.
    - Courtyard by Marriott San Diego Downtown Little Italy
    - Bay Club Hotel & Marina
    - Sheraton San Diego Resort
  • Boise Airport (BOI) offers better parking rates for short-term parking to people with disabilities within their parking lots in front of the Long-term Central Garage across the passenger terminal. They also offer long-term parking services within their lots where you can safely leave your vehicle when going for an extended trip. You just have to contact the long-term parking agents 48h in advnace to book a spot and receive details of where to park on the trip day.
  • When booking your flight and you need accessibility assistance from BOI, you must make your disability known at that time so any services or equipment you may need to navigate the airport and during your flight may be made available to you.
  • At BOI, the pet relief region is situated outside the exit at the luggage claim area on the floor 1. They offer non-reusable bags for getting rid of waste. Before you book a flight with your preferred airline, inquire about their guidelines on pets because some airlines don't accept pets on board.
  • There are play areas in San Diego International Airport (SAN) where your kids can play and unwind after a long flight. Some of these playgrounds are situated in terminals 2 and 3, Gates 87 and 54A. There is also free Internet access all over the airport for your teenagers.
  • Some unique amenities at the BOI airport include access to unlimited free internet and power ports all over the airport. This means if you work remotely, you can easily connect your laptop to free Internet and continue your daily schedule.

Prefer to fly direct from Boise to San Diego?

 
Find which airlines fly direct from Boise Air Term. Gowen Fld Airport to San Diego Airport, which days they fly and book direct flights.

Direct departures

Boise Air Term. Gowen Fld to San Diego

Monday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Tuesday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Wednesday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Thursday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Friday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Saturday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Sunday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

See more direct flights

Direct returns

San Diego to Boise Air Term. Gowen Fld

Monday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Tuesday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Wednesday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Thursday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Friday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Saturday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

Sunday

Alaska Airlines,Southwest

Alaska Airlines,Southwest

See more direct flights

Everything you need to know for your flight from Boise to San Diego

Information on your arrival and departure airports