$684+ Cheap flights from San Diego to Springfield, IL (SAN - SPI)
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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SPI
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Springfield 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 San Diego to Springfield
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Best
Last-minute
Cheapest flights from San Diego to SpringfieldExplore the most affordable flight options available from San Diego to Springfield. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from San Diego to Springfield. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 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 9/151:10 pm -
1 stop8h 57m
Tue 9/222:51 pm -
1 stop8h 39m
Deal found 9/13![American Airlines logo]()
$727
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 9/181:10 pm -
1 stop8h 57m
Sun 9/206:00 am -
1 stop8h 51m
Deal found 9/16![American Airlines logo]()
$741
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 9/1511:15 am -
2 stops10h 52m
Wed 9/236:00 am -
1 stop8h 15m
Deal found 9/13![American Airlines logo]()
$771
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.
Thu 9/171:10 pm -
1 stop8h 57m
Wed 9/236:00 am -
1 stop8h 15m
Deal found 9/13![American Airlines logo]()
$784
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.
Fri 9/1812:08 pm -
2 stops9h 59m
Wed 9/236:00 am -
1 stop8h 15m
Deal found 9/13![American Airlines logo]()
$821
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.
Thu 9/171:10 pm -
1 stop8h 57m
Sat 9/196:00 am -
2 stops10h 11m
Deal found 9/13![American Airlines logo]()
$828
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.
Thu 9/171:10 pm -
1 stop8h 57m
Mon 9/216:00 am -
1 stop8h 15m
Deal found 9/13![American Airlines logo]()
$841
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 9/159:50 am -
2 stops12h 17m
Sun 9/206:00 am -
2 stops11h 22m
Deal found 9/13![American Airlines logo]()
$865
Best flights from San Diego to SpringfieldDiscover carefully curated flight deals from San Diego to Springfield that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from San Diego to Springfield that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/21:10 pm -
1 stop8h 57m
Tue 10/62:59 pm -
1 stop8h 34m
Deal found 9/17![American Airlines logo]()
$684
Last-minute flights from San Diego to SpringfieldDiscover last-minute flight deals from San Diego to Springfield. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Springfield. Data last updated September 17, 2026 and is based on user searches.
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 9/161:10 pm -
1 stop8h 57m
Tue 9/226:00 am -
1 stop8h 15m
Deal found 9/13![American Airlines logo]()
$727
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 9/1612:08 pm -
2 stops9h 59m
Sat 9/196:00 am -
1 stop8h 15m
Deal found 9/13![American Airlines logo]()
$771
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 9/168:00 am -
2 stops14h 07m
Wed 9/236:00 am -
2 stops10h 11m
Deal found 9/13![American Airlines logo]()
$816
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 9/168:00 am -
2 stops14h 07m
Sun 9/206:00 am -
2 stops11h 22m
Deal found 9/13![American Airlines logo]()
$865
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.
Thu 9/171:10 pm -
1 stop8h 57m
Wed 9/236:00 am -
1 stop8h 15m
Deal found 9/13![American Airlines logo]()
$784
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.
Thu 9/171:10 pm -
1 stop8h 57m
Tue 9/226:00 am -
2 stops10h 11m
Deal found 9/13![American Airlines logo]()
$828
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.
Thu 9/171:10 pm -
1 stop8h 57m
Sun 9/202:51 pm -
1 stop8h 39m
Deal found 9/13![American Airlines logo]()
$841
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.
Thu 9/1712:54 pm -
2 stops9h 13m
Sat 9/192:51 pm -
2 stops8h 57m
Deal found 9/13![American Airlines logo]()
$915
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.
Thu 9/1712:54 pm -
2 stops9h 13m
Mon 9/216:00 am -
1 stop8h 15m
Deal found 9/13![American Airlines logo]()
$928
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 9/181:10 pm -
1 stop8h 57m
Sun 9/206:00 am -
1 stop8h 51m
Deal found 9/16![American Airlines logo]()
$741
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.
Fri 9/1812:08 pm -
2 stops9h 59m
Wed 9/236:00 am -
1 stop8h 15m
Deal found 9/13![American Airlines logo]()
$821
Find flight deals from San Diego to Springfield
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Springfield (SPI). 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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $684 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Springfield 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 17, 2026.
Use the filters below to find and compare flights from San Diego to Springfield that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San DiegoSpringfield
SAN San Diego - SPI Springfield Capital
SANSPI
San Diego
Fri 10/2
1:10 pm-12:07 am
1 stop8h 57m
Springfield Capital
Tue 10/6
2:59 pm-9:33 pm
1 stop8h 34m
$684
Sorted by cheapest first
Compare providers for flights from San Diego to Springfield
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 San Diego to Springfield in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-Springfield, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Springfield, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Springfield, Illinois flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Springfield, Illinois 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 San Diego-Springfield, Illinois 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 San Diego to Springfield
Have a flexible travel schedule? Discover the best time to fly to Springfield from San Diego with our price prediction graph.
SAN-SPI
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.
Related info for your journey
Find useful and relevant information for your journey from San Diego to Springfield. 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 Springfield?
Book flights to Springfield if you plan to visit one of these locationsLincoln
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