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$481+ Cheap flights from Springfield, IL to San Diego (SPI - 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — SAN
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 julio 3, 2025.

Round-trip from

$481
(American Airlines)

Popular in

August

Cheapest in

October

Average price

$520
From Springfield Capital to San Diego
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 julio 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. 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.
mar. 7/291:14 pmSPI - SAN
2 stops12h 55mAmerican Airlines
mar. 8/510:39 pmSAN - SPI
2 stops12h 01mAmerican Airlines
Deal found 7/1$481
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/169:25 amSPI - SAN
3 stops26h 30mMultiple Airlines
dom. 7/2012:41 pmSAN - SPI
2 stops28h 38mMultiple Airlines
Deal found 7/1$743

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 julio 3, 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

mar. 7/29

1:14 pm-12:09 am

2 stops12h 55m

San Diego

mar. 8/5

10:39 pm-12:40 pm

2 stops12h 01m

$481

SpringfieldSan Diego

SPI - SAN

SPISAN

Springfield Capital

mié. 7/16

9:25 am-9:55 am

3 stops26h 30m

San Diego

dom. 7/20

12:41 pm-7:19 pm

2 stops28h 38m

$743

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 julio 3, 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

Comfort

7.2

Food

6.5

Overall

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

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

Comfort

7.2

Food

6.5

Overall

7.2

Crew

8.0

Entertainment

6.9

Boarding

7.5

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.

  • 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 $481 on this airline.

  • 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 Springfield?

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

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Alternative routes for Springfield to San Diego

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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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$266Average$494FlexibilityNo cancel feeOn-time71%

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