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$459+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — SAN
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
1 adult, Economy
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Cheap 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 July 18, 2026.

This American Airlines deal was found by Cheapflights users on 7/15. 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 8/292:51 pm
SPI
-
SAN
1 stop6h 20m
American Airlines
Wed 9/21:11 pm
SAN
-
SPI
1 stop9h 01m
American Airlines
Deal found 7/15$459
This American Airlines deal was found by Cheapflights users on 7/15. 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 8/296:08 am
SPI
-
SAN
1 stop8h 13m
American Airlines
Thu 9/31:11 pm
SAN
-
SPI
1 stop9h 01m
American Airlines
Deal found 7/15$489
This American Airlines deal was found by Cheapflights users on 7/16. 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 8/82:51 pm
SPI
-
SAN
1 stop6h 20m
American Airlines
Fri 8/141:11 pm
SAN
-
SPI
1 stop9h 01m
American Airlines
Deal found 7/16$577
This American Airlines deal was found by Cheapflights users on 7/17. 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 9/242:51 pm
SPI
-
SAN
1 stop8h 39m
American Airlines
Sun 9/271:10 pm
SAN
-
SPI
1 stop8h 57m
American Airlines
Deal found 7/17$600
This American Airlines deal was found by Cheapflights users on 7/13. 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 8/12:44 pm
SPI
-
SAN
1 stop8h 37m
American Airlines
Sat 8/810:57 am
SAN
-
SPI
2 stops11h 15m
American Airlines
Deal found 7/13$636
This American Airlines deal was found by Cheapflights users on 7/14. 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.
Mon 9/72:51 pm
SPI
-
SAN
1 stop20h 07m
American Airlines
Mon 9/1410:46 pm
SAN
-
SPI
1 stop13h 34m
American Airlines
Deal found 7/14$671

Find 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 July 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$459
(American Airlines)

Popular in

January

Cheapest in

April

Average price

$531
Provider with most accurate pricing for Springfield Capital-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Springfield Capital-San Diego flights.
Search Deals
From Springfield Capital to San Diego
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 18, 2026.
Use the filters below to find and compare flights from Springfield to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SpringfieldSan Diego

SPI - SAN

SPISAN

Springfield Capital

Thu 11/5

2:59 pm-9:44 pm

1 stop8h 45m

San Diego

Tue 11/10

6:15 am-2:29 pm

1 stop6h 14m

$459

SpringfieldSan Diego

SPI - SAN

SPISAN

Springfield Capital

Sat 8/29

2:51 pm-7:11 pm

1 stop6h 20m

San Diego

Wed 9/2

1:11 pm-12:12 am

1 stop9h 01m

$459

SpringfieldSan Diego

SPI - SAN

SPISAN

Springfield Capital

Thu 10/15

2:59 pm-9:44 pm

1 stop8h 45m

San Diego

Mon 10/19

6:15 am-2:29 pm

1 stop6h 14m

$489

SpringfieldSan Diego

SPI - SAN

SPISAN

Springfield Capital

Sat 8/29

6:08 am-12:21 pm

1 stop8h 13m

San Diego

Thu 9/3

1:11 pm-12:12 am

1 stop9h 01m

$489

SpringfieldSan Diego

SPI - SAN

SPISAN

Springfield Capital

Sat 8/8

2:51 pm-7:11 pm

1 stop6h 20m

San Diego

Fri 8/14

1:11 pm-12:12 am

1 stop9h 01m

$577

SpringfieldSan Diego

SPI - SAN

SPISAN

Springfield Capital

Mon 9/7

2:51 pm-8:58 am

1 stop20h 07m

San Diego

Mon 9/14

10:46 pm-2:20 pm

1 stop13h 34m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

Sorted by cheapest first

Compare providers for flights from Springfield to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Springfield to San Diego in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Springfield, Illinois-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Springfield, Illinois-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Springfield, Illinois-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Springfield, Illinois-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Springfield, Illinois-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

How much does it cost to fly round-trip from Springfield, Illinois to San Diego?

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 July 18, 2026.
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
7.1
Good
11,827 reviews

Comfort

7.2

Entertainment

6.8

Overall

7.1

Boarding

7.5

Food

6.4

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,827 reviews
American Airlines
7.1
Good
11,827 reviews

Comfort

7.2

Entertainment

6.8

Overall

7.1

Boarding

7.5

Food

6.4

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 8h 45m. American Airlines provides one of the quickest options available for as low as $459. 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 $421 on this airline. American Airlines is currently priced 28% 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.

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
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove

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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 July 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$421Average$542FlexibilityNo cancel feeOn-time71%

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