$253+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — SAN
Oct 16 — Oct 231
Round-trip
1 adult, Economy
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Find cheap flights from Springfield to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Springfield to San Diego
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Best
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Cheapest flights from Springfield to San DiegoExplore 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 September 16, 2026.
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 September 16, 2026.
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 10/132:59 pm -
1 stop8h 35m
Mon 10/196:18 am -
1 stop6h 11m
Deal found 9/13![American Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/266:02 am -
1 stop6h 36m
Sun 11/81:29 pm -
1 stop8h 41m
Deal found 9/15![American Airlines logo]()
$519
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 12/26:05 am -
1 stop6h 51m
Sun 12/69:26 am -
2 stops12h 44m
Deal found 9/14![American Airlines logo]()
$593
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/72:59 pm -
1 stop8h 34m
Mon 10/121:12 pm -
1 stop8h 57m
Deal found 9/13![American Airlines logo]()
$607
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/292:51 pm -
1 stop8h 39m
Sat 10/31:10 pm -
1 stop8h 57m
Deal found 9/14![American Airlines logo]()
$627
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/152:59 pm -
1 stop8h 35m
Wed 10/219:57 am -
2 stops12h 12m
Deal found 9/15![American Airlines logo]()
$717
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 11/23:11 pm -
1 stop21h 45m
Fri 11/610:40 pm -
1 stop13h 57m
Deal found 9/15![American Airlines logo]()
$730
Best flights from Springfield to San DiegoDiscover carefully curated flight deals from Springfield to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
Discover carefully curated flight deals from Springfield to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/266:02 am -
1 stop6h 36m
Sun 11/81:29 pm -
1 stop8h 41m
Deal found 9/15![American Airlines logo]()
$519
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 12/26:05 am -
1 stop6h 51m
Sun 12/69:26 am -
2 stops12h 44m
Deal found 9/14![American Airlines logo]()
$593
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/72:59 pm -
1 stop8h 34m
Mon 10/121:12 pm -
1 stop8h 57m
Deal found 9/13![American Airlines logo]()
$607
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 10/136:02 am -
2 stops14h 15m
Mon 10/196:18 am -
1 stop6h 11m
Deal found 9/13![American Airlines logo]()
$672
Last-minute flights from Springfield to San DiegoDiscover last-minute flight deals from Springfield to San Diego. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from Springfield to San Diego. Data last updated September 16, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/292:51 pm -
1 stop8h 39m
Sat 10/31:10 pm -
1 stop8h 57m
Deal found 9/14![American Airlines logo]()
$627
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/72:59 pm -
1 stop8h 34m
Mon 10/121:12 pm -
1 stop8h 57m
Deal found 9/13![American Airlines logo]()
$607
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 10/132:59 pm -
1 stop8h 35m
Mon 10/196:18 am -
1 stop6h 11m
Deal found 9/13![American Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/152:59 pm -
1 stop8h 35m
Wed 10/219:57 am -
2 stops12h 12m
Deal found 9/15![American Airlines logo]()
$717
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/266:02 am -
1 stop6h 36m
Sun 11/81:29 pm -
1 stop8h 41m
Deal found 9/15![American Airlines logo]()
$519
One-way flights from Springfield to San DiegoSearch for one-way flight options from Springfield to San Diego. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
Search for one-way flight options from Springfield to San Diego. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:33 pm -
3 stops49h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$253
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/146:04 am -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![American Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 9/256:00 am -
1 stop8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$580
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 September 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $489 (American Airlines) |
One-way from | $253 (Kiwi.com) |
Popular in | January |
Cheapest in | April |
Average price | $575 |
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 7,457,451 searches. Data last updated September 16, 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
Cheapest round-trip
SpringfieldSan Diego
SPI Springfield Capital - SAN San Diego
SPISAN
Springfield Capital
Sat 11/14
8:33 pm-8:37 am
2 stops38h 04m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$255
SpringfieldSan Diego
SPI Springfield Capital - SAN San Diego
SPISAN
Springfield Capital
Mon 10/26
6:02 am-10:38 am
1 stop6h 36m
San Diego
Sun 11/8
1:29 pm-12:10 am
1 stop8h 41m
$519
Quickest round-trip
SpringfieldSan Diego
SPI Springfield Capital - SAN San Diego
SPISAN
Springfield Capital
Sat 11/14
6:04 am-10:56 am
1 stop6h 52m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$539
SpringfieldSan Diego
SPI Springfield Capital - SAN San Diego
SPISAN
Springfield Capital
Fri 9/25
6:00 am-12:15 pm
1 stop8h 15m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$580
SpringfieldSan Diego
SPI Springfield Capital - SAN San Diego
SPISAN
Springfield Capital
Wed 12/2
6:05 am-10:56 am
1 stop6h 51m
San Diego
Sun 12/6
9:26 am-12:10 am
2 stops12h 44m
$593
SpringfieldSan Diego
SPI Springfield Capital - SAN San Diego
SPISAN
Springfield Capital
Wed 10/7
2:59 pm-9:33 pm
1 stop8h 34m
San Diego
Mon 10/12
1:12 pm-12:09 am
1 stop8h 57m
$607
SpringfieldSan Diego
SPI Springfield Capital - SAN San Diego
SPISAN
Springfield Capital
Tue 10/13
6:02 am-6:17 pm
2 stops14h 15m
San Diego
Mon 10/19
6:18 am-2:29 pm
1 stop6h 11m
$672
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
SPI-SAN
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.
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 September 16, 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.
Crew
7.9
Boarding
7.4
Food
6.4
Overall
7.1
Comfort
7.2
Entertainment
6.8
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Crew
7.9
Boarding
7.4
Food
6.4
Overall
7.1
Comfort
7.2
Entertainment
6.8
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
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.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Coronado
San Ysidro
Poway
La Mesa
Santee
Julian
Lemon Grove
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Springfield and San Diego flights
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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 7,457,451 searches. Data last updated September 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$421 | Average$542 | FlexibilityNo cancel fee | On-time71% |