$79 Cheap Flights from Spokane (GEG) to San Diego (SAN)

View $79 flight on Wed, Aug 20, 2025Opens in a new window

Popular airlines from Spokane International Airport (GEG) to San Diego Intl. Airport (SAN)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Spokane to San Diego (GEG-SAN)

Prices were available within the past 7 days and start at $79 for one-way flights and $155 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bargain Flight
Sat, Oct 18 - Sat, Oct 25
GEG
Spokane
SAN
San Diego
$155 Roundtrip, found 17 hours ago
$155
Roundtrip
found 17 hours ago
Select Bargain Flight flight, departing Sat, Oct 18 from Spokane to San Diego, returning Sat, Oct 25, priced at $155 found 17 hours ago
Alaska Airlines
Wed, Sep 10 - Tue, Sep 16
GEG
Spokane
SAN
San Diego
$155 Roundtrip, found 3 hours ago
$155
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Wed, Sep 10 from Spokane to San Diego, returning Tue, Sep 16, priced at $155 found 3 hours ago
Southwest Airlines
Wed, Sep 10 - Tue, Sep 16
GEG
Spokane
SAN
San Diego
$157 Roundtrip, found 3 hours ago
$157
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Wed, Sep 10 from Spokane to San Diego, returning Tue, Sep 16, priced at $157 found 3 hours ago
Delta
Wed, Sep 10 - Tue, Sep 16
GEG
Spokane
SAN
San Diego
$157 Roundtrip, found 3 hours ago
$157
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, Sep 10 from Spokane to San Diego, returning Tue, Sep 16, priced at $157 found 3 hours ago
American Airlines
Wed, Sep 10 - Tue, Sep 16
GEG
Spokane
SAN
San Diego
$158 Roundtrip, found 3 hours ago
$158
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Sep 10 from Spokane to San Diego, returning Tue, Sep 16, priced at $158 found 3 hours ago
American Airlines
Wed, Sep 10 - Tue, Sep 16
GEG
Spokane
CLD
Carlsbad
$159 Roundtrip, found 3 hours ago
$159
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Sep 10 from Spokane to Carlsbad, returning Tue, Sep 16, priced at $159 found 3 hours ago
American Airlines
Wed, Sep 10 - Tue, Sep 16
GEG
Spokane
SAN
San Diego
$159 Roundtrip, found 3 hours ago
$159
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Sep 10 from Spokane to San Diego, returning Tue, Sep 16, priced at $159 found 3 hours ago
Southwest Airlines
Wed, Sep 3 - Wed, Sep 10
GEG
Spokane
SAN
San Diego
$162 Roundtrip, found 22 hours ago
$162
Roundtrip
found 22 hours ago
Select Southwest Airlines flight, departing Wed, Sep 3 from Spokane to San Diego, returning Wed, Sep 10, priced at $162 found 22 hours ago
Bargain Flight
Tue, Sep 30 - Mon, Oct 6
GEG
Spokane
SAN
San Diego
$164 Roundtrip, found 4 days ago
$164
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Tue, Sep 30 from Spokane to San Diego, returning Mon, Oct 6, priced at $164 found 4 days ago
Alaska Airlines
Fri, Aug 15 - Wed, Aug 20
GEG
Spokane
SAN
San Diego
$165 Roundtrip, just found
$165
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Aug 15 from Spokane to San Diego, returning Wed, Aug 20, priced at $165 just found

Find the cheapest month to fly from Spokane (GEG) to San Diego (SAN)

September is typically the cheapest month to fly

From $136 - $214 per traveler.

Graph displaying average flight prices per month

Flights from Spokane (GEG) to San Diego (SAN)
Origin airport
Spokane Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$154
Distance
1029 mi
Average flight time
3 hours 50 mins

Spokane to San Diego Flights

The cheapest times to fly from Spokane to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Spokane to San Diego are during the month of October. You can find some of the cheapest flights from Spokane to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Spokane to San Diego

Sunday is one of the best days to book for cheap flights from Spokane to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Spokane to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Spokane to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Spokane to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Spokane to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN) cost?
Pick up cheap return flights starting from $152 from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving GEG on July 12 2025 and touching down at SAN. The price was last updated on June 22 2025 and has not changed since.
What is the cheapest month to fly from GEG to SAN?
The cheapest flights from GEG to SAN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN)?
You can travel nonstop from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN) on an Alaska Airlines flight.
What is the cheapest airline that flies from GEG to SAN?
Travel from GEG to SAN with Alaska Airlines. This airline currently offers the cheapest one-way fare on this route, starting at $98. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from GEG on September 17 2025. Prices were last updated on June 22 2025 and have not changed since.
How many flights per day from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN)?
On average, there is just 1 direct flight taking off from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN) per day. If this doesn't work for you, check out flights with layovers. Just customize your search on Expedia to include one or two stops to discover a better alternative.
What are the most popular departure times for flights from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN)?
Flights between GEG and SAN are their busiest at 7 AM. If you'd like a quieter trip and possibly cheaper tickets, choose a time when demand is lower.
What day of the week has the most flights from GEG to SAN?
Friday has the most flights from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN). Consider jetting off on this day and you'll have a greater chance of finding a departure that works with your plans.
What is the earliest flight from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN)?
Take the earliest flight at around 7:10AM UTC-8, departing from Spokane Intl. Airport (GEG). You'll be in the air for about 3h 1m, arriving at San Diego Intl. Airport (SAN) at approximately 10:11AM UTC-8.
How long does it take to fly from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN)?
Flights from GEG to SAN have an average travel time of 3 hours and 1 minute. The distance between the two is 1,050 mi.
What airline has the least delays from GEG to SAN?
With 85% of flights typically landing on time, Alaska Airlines has the best on-time performance for direct flights from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN). To keep track of your flight status and get notified if anything changes, head to the Expedia App.
What is the best time to fly from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN)?
To avoid possible delays on the Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN) route, fly before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Diego from Spokane Intl. Airport (GEG)?
Check out your flight options from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN). This is the only airport in San Diego you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN) last-minute?
Holding off until right before your break to book your flight from GEG to SAN often results in higher prices. Although you may find some last-minute deals, there's no guarantee. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book a GEG to SAN flight and hotel package?
You'll typically save money by securing a GEG to SAN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After choosing your ideal accommodations and flights, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Spokane Intl. Airport (GEG) to San Diego Intl. Airport (SAN)?
Typically, you can cancel or reschedule your GEG to SAN flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want further information, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.