$429+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SPI — SAN
May 20 — May 271
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
Cheapest
Best
Last-minute
One-way
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 April 20, 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 April 20, 2026.
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Wed 5/205:45 am
SPI
- SAN
1 stop8h 43m
American Airlines
Wed 5/271:19 pm
SAN
- SPI
1 stop8h 28m
American Airlines
Deal found 4/16![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Wed 6/172:31 pm
SPI
- SAN
1 stop8h 56m
American Airlines
Sat 6/271:19 pm
SAN
- SPI
1 stop8h 25m
American Airlines
Deal found 4/19![American Airlines logo]()
$530
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Thu 6/182:31 pm
SPI
- SAN
1 stop8h 56m
American Airlines
Sat 6/271:19 pm
SAN
- SPI
1 stop8h 25m
American Airlines
Deal found 4/19![American Airlines logo]()
$569
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 5/25:45 am
SPI
- SAN
1 stop8h 28m
American Airlines
Wed 5/61:03 pm
SAN
- SPI
1 stop8h 35m
American Airlines
Deal found 4/17![American Airlines logo]()
$597
This American Airlines deal was found by Cheapflights users on 4/16. 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 7/112:40 pm
SPI
- SAN
1 stop8h 51m
American Airlines
Fri 7/171:11 pm
SAN
- SPI
1 stop8h 34m
American Airlines
Deal found 4/16![American Airlines logo]()
$618
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 April 20, 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 April 20, 2026.
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 5/25:45 am
SPI
- SAN
2 stops12h 06m
American Airlines
Wed 5/63:09 pm
SAN
- SPI
1 stop6h 29m
American Airlines
Deal found 4/17![American Airlines logo]()
$602
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Wed 6/172:31 pm
SPI
- SAN
1 stop8h 56m
American Airlines
Sat 6/2710:28 pm
SAN
- SPI
2 stops13h 32m
American Airlines
Deal found 4/19![American Airlines logo]()
$628
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Tue 6/162:31 pm
SPI
- SAN
2 stops11h 28m
American Airlines
Sat 6/2710:28 pm
SAN
- SPI
2 stops13h 32m
American Airlines
Deal found 4/19![American Airlines logo]()
$633
This Gotogate deal was found by Cheapflights users on 4/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:21 pm
SPI
- SAN
3 stops41h 59m
Breeze Airways
Fri 7/171:05 pm
SAN
- SPI
2 stops28h 36m
Breeze Airways
Deal found 4/16![Breeze Airways logo]()
$1,404
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Thu 6/182:31 pm
SPI
- SAN
2 stops9h 03m
American Airlines
Sat 6/279:50 am
SAN
- SPI
2 stops11h 54m
American Airlines
Deal found 4/19![American Airlines logo]()
$787
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Sun 7/122:37 pm
SPI
- SAN
1 stop20h 29m
American Airlines
Fri 7/1710:45 pm
SAN
- SPI
1 stop13h 25m
American Airlines
Deal found 4/16![American Airlines logo]()
$789
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Mon 5/45:45 am
SPI
- SAN
1 stop16h 58m
American Airlines
Fri 5/83:09 pm
SAN
- SPI
1 stop21h 10m
American Airlines
Deal found 4/19![American Airlines logo]()
$983
Last-minute flights from Springfield to San DiegoDiscover last-minute flight deals from Springfield to San Diego. Data last updated April 20, 2026 and is based on user searches.
Discover last-minute flight deals from Springfield to San Diego. Data last updated April 20, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 5/25:45 am
SPI
- SAN
1 stop8h 28m
American Airlines
Wed 5/61:03 pm
SAN
- SPI
1 stop8h 35m
American Airlines
Deal found 4/17![American Airlines logo]()
$597
This American Airlines deal was found by Cheapflights users on 4/19. 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.
Mon 5/45:45 am
SPI
- SAN
1 stop16h 58m
American Airlines
Fri 5/83:09 pm
SAN
- SPI
1 stop21h 10m
American Airlines
Deal found 4/19![American Airlines logo]()
$983
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Wed 5/205:45 am
SPI
- SAN
1 stop8h 43m
American Airlines
Wed 5/271:19 pm
SAN
- SPI
1 stop8h 28m
American Airlines
Deal found 4/16![American Airlines logo]()
$429
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 April 20, 2026.
Search for one-way flight options from Springfield to San Diego. Find affordable one-way fares based on user searches. Data last updated April 20, 2026.
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Sun 5/32:49 pm
SPI
- SAN
1 stop7h 54m
American Airlines
Deal found 4/15![American Airlines logo]()
$566
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 April 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $429 (American Airlines) |
Popular in | January |
Cheapest in | April |
Average price | $276 |
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 April 20, 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
Quickest round-trip
SpringfieldSan Diego
SPI - SAN
SPISAN
Springfield Capital
Sat 5/2
5:45 am-3:51 pm
2 stops12h 06m
San Diego
Wed 5/6
3:09 pm-11:38 pm
1 stop6h 29m
$602
SpringfieldSan Diego
SPI - SAN
SPISAN
Springfield Capital
Wed 6/17
2:31 pm-9:27 pm
1 stop8h 56m
San Diego
Sat 6/27
10:28 pm-2:00 pm
2 stops13h 32m
$628
SpringfieldSan Diego
SPI - SAN
SPISAN
Springfield Capital
Tue 6/16
2:31 pm-11:59 pm
2 stops11h 28m
San Diego
Sat 6/27
10:28 pm-2:00 pm
2 stops13h 32m
$633
SpringfieldSan Diego
SPI - SAN
SPISAN
Springfield Capital
Thu 6/18
2:31 pm-9:34 pm
2 stops9h 03m
San Diego
Sat 6/27
9:50 am-11:44 pm
2 stops11h 54m
$787
SpringfieldSan Diego
SPI - SAN
SPISAN
Springfield Capital
Sun 7/12
2:37 pm-9:06 am
1 stop20h 29m
San Diego
Fri 7/17
10:45 pm-2:10 pm
1 stop13h 25m
$789
SpringfieldSan Diego
SPI - SAN
SPISAN
Springfield Capital
Mon 5/4
5:45 am-8:43 pm
1 stop16h 58m
San Diego
Fri 5/8
3:09 pm-2:19 pm
1 stop21h 10m
$983
SpringfieldSan Diego
SPI - SAN
SPISAN
Springfield Capital
Sat 7/11
8:21 pm-12:20 pm
3 stops41h 59m
San Diego
Fri 7/17
1:05 pm-7:41 pm
2 stops28h 36m
$1,404
Cheapest one-way
Quickest one-way
SpringfieldSan Diego
SPI - SAN
SPISAN
Springfield Capital
Sun 5/3
2:49 pm-8:43 pm
1 stop7h 54m
$566
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 April.
| 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.
Cheapflights Insights
Everything you need to know about your flight from Springfield 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 April 20, 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.
Entertainment
6.9
Crew
7.9
Food
6.4
Boarding
7.5
Overall
7.1
Comfort
7.2
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Entertainment
6.9
Crew
7.9
Food
6.4
Boarding
7.5
Overall
7.1
Comfort
7.2
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
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
Chula Vista
National City
Coronado
La Mesa
Poway
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 2,558,603 searches. Data last updated April 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$421 | Average$533 | FlexibilityNo cancel fee | On-time71% |