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$437+ Cheap flights from Fort Smith to San Diego (FSM - SAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
FSM — SAN
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Fort Smith to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Fort Smith (FSM) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 16, 2025.

Round-trip from

$437
(American Airlines)

Popular in

October

Cheapest in

May

Average price

$475
From Fort Smith to San Diego
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Fort Smith to San Diego

Cheapest flights from Fort Smith to San Diego
Explore the most affordable flight options available from Fort Smith to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1310:25 amFSM - SAN
1 stop5h 06mAmerican Airlines
Sat 1/1712:51 pmSAN - FSM
1 stop7h 01mAmerican Airlines
Deal found 6/14$437

Cheapflights Fare Finder

Customize your flight search to find flights from Fort Smith to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2025.
Use the filters below to find and compare flights from Fort Smith to San Diego that are best for you.

Fly from

Fort Smith

Fly to

San Diego

Route

Depart

Return

Price

Fort SmithSan Diego

FSM - SAN

FSMSAN

Fort Smith

Sat 12/13

10:25 am-1:31 pm

1 stop5h 06m

San Diego

Sat 1/17

12:51 pm-9:52 pm

1 stop7h 01m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Best time to book a flight from Fort Smith to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Fort Smith with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Fort Smith to San Diego

What is the cheapest month to book a flight from Fort Smith to San Diego?

Currently, August is the cheapest month in which you can book a flight from Fort Smith to San Diego (average of $286). Flying from Fort Smith to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from FSM to SAN?

Find hourly flight availability from Fort Smith to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2025.

It’s optimal to fly from Fort Smith to San Diego at noon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated June 16, 2025.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Crew

8.0

Food

6.5

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Crew

8.0

Food

6.5

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

Related info for your journey

Find useful and relevant information for your journey from Fort Smith to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Fort Smith to San Diego round-trip?

    Cheapflights users have booked flights from Fort Smith to San Diego round-trip from $437. This flight start at 20% lower than the current average price 3 months from now.

  • Can I find deals for flights from Fort Smith to San Diego that include hotel bookings?

    Yes. In addition to deals on Fort Smith to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Fort Smith to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Fort Smith to San Diego.

  • Can I find deals for business class flights from Fort Smith to San Diego?

    Yes. Cheapflights offers flight deals from Fort Smith to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Fort Smith to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Fort Smith to San Diego (average of $286). Flying from Fort Smith to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Fort Smith?

Book flights to Fort Smith if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado

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Top airline flying from Fort Smith to San Diego

Discover the top airline that operate flights from Fort Smith to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$368Average$499FlexibilityNo cancel feeOn-time71%

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