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$311+ Cheap flights from Springfield, IL to San Diego (SPI - SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — SAN
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Springfield to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Springfield (SPI) 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 August 20, 2025.

Round-trip from

$903
(American Airlines)

One-way from

$311
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$496
From Springfield Capital to San Diego
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One-way flight from Springfield Capital to San Diego
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Highest demand for flights based on searches. 5% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Springfield to San Diego

Cheapest flights from Springfield to San Diego
Explore the most affordable flight options available from Springfield to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 11/136:00 amSPI - SAN
2 stops14h 25mAmerican Airlines
Mon 11/171:23 pmSAN - SPI
1 stop7h 49mAmerican Airlines
Deal found 8/20$516
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Sun 9/76:31 pmSPI - SAN
1 stop16h 47mAmerican Airlines
Wed 9/105:15 pmSAN - SPI
2 stops17h 29mAmerican Airlines
Deal found 8/19$903

Cheapflights Fare Finder

 
Customize your flight search to find flights from Springfield 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 August 20, 2025.
Use the filters below to find and compare flights from Springfield to San Diego that are best for you.

Fly from

Springfield

Fly to

San Diego

Route

Depart

Return

Price

SpringfieldSan Diego

SPI - SAN

SPISAN

Springfield Capital

Thu 11/13

6:00 am-6:25 pm

2 stops14h 25m

San Diego

Mon 11/17

1:23 pm-11:12 pm

1 stop7h 49m

$516

SpringfieldSan Diego

SPI - SAN

SPISAN

Springfield Capital

Sun 9/7

6:31 pm-9:18 am

1 stop16h 47m

San Diego

Wed 9/10

5:15 pm-12:44 pm

2 stops17h 29m

$903

SpringfieldSan Diego

SPI - SAN

SPISAN

Springfield Capital

Fri 9/26

6:31 pm-8:24 am

2 stops15h 53m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Springfield to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Springfield 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 Springfield to San Diego

What is the cheapest month to book a flight from Springfield, Illinois to San Diego?

Currently, August is the cheapest month in which you can book a flight from Springfield, Illinois to San Diego (average of $286). Flying from Springfield, Illinois 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.

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 August 20, 2025.
Read through reviews of airlines operating flights from Springfield to San Diego, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Crew

8.0

Food

6.5

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Diana,Jul 2024

ORD - IND

Shout out to Isabelle and Debbie who went above and beyond to make it a good experience. Wheelchair service and workers were excellent and much appreciated.
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

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Diana,Jul 2024

ORD - IND

Shout out to Isabelle and Debbie who went above and beyond to make it a good experience. Wheelchair service and workers were excellent and much appreciated.

Related info for your journey

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

  • How long is the flight from Springfield, Illinois to San Diego?

    A quick flight from Springfield, Illinois to San Diego can take about 14h 25m. American Airlines provides one of the quickest options available for as low as $516. There are 1601 mi between Springfield, Illinois and San Diego.

  • What is the cheapest airline to fly from Springfield, Illinois to San Diego round-trip?

    Our cheapest airline available from Springfield, Illinois to San Diego is American Airlines. Our recent data shows that you can find tickets from as low as $266 on this airline. American Airlines is currently priced 42% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Springfield 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 Springfield, Illinois to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Springfield, Illinois to San Diego (average of $286). Flying from Springfield, Illinois 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 San Diego?

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

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Top airline flying from Springfield to San Diego

Discover the top airline that operate flights from Springfield 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$266Average$496FlexibilityNo cancel feeOn-time71%

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