$360+ Cheap flights from Champaign to San Antonio (CMI - SAT)
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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — SAT
Nov 23 — Nov 301
Round-trip
1 adult, Economy
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Find cheap flights from Champaign to San Antonio 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 Champaign to San Antonio
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Best
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Cheapest flights from Champaign to San AntonioExplore the most affordable flight options available from Champaign to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
Explore the most affordable flight options available from Champaign to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 24, 2026.
This American Airlines deal was found by Cheapflights users on 10/23. 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 12/216:43 pm -
1 stop5h 16m
Wed 12/305:49 am -
1 stop5h 06m
Deal found 10/23![American Airlines logo]()
$474
This American Airlines deal was found by Cheapflights users on 10/23. 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 12/172:39 pm -
1 stop7h 21m
Wed 12/308:04 am -
1 stop5h 58m
Deal found 10/23![American Airlines logo]()
$542
This American Airlines deal was found by Cheapflights users on 10/23. 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 12/172:39 pm -
1 stop7h 21m
Thu 12/3111:22 am -
2 stops6h 48m
Deal found 10/23![American Airlines logo]()
$548
This American Airlines deal was found by Cheapflights users on 10/23. 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 12/172:39 pm -
1 stop7h 21m
Sun 1/32:50 pm -
1 stop7h 10m
Deal found 10/23![American Airlines logo]()
$582
This American Airlines deal was found by Cheapflights users on 10/23. 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 12/172:39 pm -
1 stop7h 21m
Sat 1/25:49 am -
1 stop5h 06m
Deal found 10/23![American Airlines logo]()
$588
This American Airlines deal was found by Cheapflights users on 10/23. 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 11/62:32 pm -
1 stop7h 27m
Tue 11/102:56 pm -
1 stop5h 25m
Deal found 10/23![American Airlines logo]()
$589
This American Airlines deal was found by Cheapflights users on 10/23. 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 12/162:32 pm -
1 stop4h 50m
Wed 12/308:04 am -
1 stop5h 58m
Deal found 10/23![American Airlines logo]()
$599
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/205:53 am -
1 stop7h 49m
Sun 11/228:00 am -
1 stop5h 59m
Deal found 10/21![American Airlines logo]()
$606
This American Airlines deal was found by Cheapflights users on 10/23. 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 12/1611:58 am -
2 stops10h 59m
Thu 12/3111:22 am -
2 stops6h 48m
Deal found 10/23![American Airlines logo]()
$610
Best flights from Champaign to San AntonioDiscover carefully curated flight deals from Champaign to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
Discover carefully curated flight deals from Champaign to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 24, 2026.
This American Airlines deal was found by Cheapflights users on 10/23. 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 2/242:39 pm -
1 stop6h 00m
Sat 2/279:18 am -
1 stop4h 47m
Deal found 10/23![American Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 10/23. 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 12/216:43 pm -
1 stop5h 16m
Wed 12/305:49 am -
1 stop5h 06m
Deal found 10/23![American Airlines logo]()
$474
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/205:53 am -
1 stop7h 49m
Sun 11/229:24 am -
1 stop4h 35m
Deal found 10/20![American Airlines logo]()
$542
This American Airlines deal was found by Cheapflights users on 10/23. 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 11/612:13 pm -
2 stops9h 46m
Tue 11/109:22 am -
1 stop4h 40m
Deal found 10/23![American Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 10/22. 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 2/26:06 am -
1 stop17h 52m
Thu 2/48:04 am -
1 stop10h 25m
Deal found 10/22![American Airlines logo]()
$752
Last-minute flights from Champaign to San AntonioDiscover last-minute flight deals from Champaign to San Antonio. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Champaign to San Antonio. Data last updated October 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/23. 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 11/32:32 pm -
1 stop4h 50m
Fri 11/68:16 pm -
1 stop17h 46m
Deal found 10/23![American Airlines logo]()
$756
This American Airlines deal was found by Cheapflights users on 10/23. 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 11/32:32 pm -
1 stop6h 36m
Thu 11/55:47 pm -
1 stop4h 15m
Deal found 10/23![American Airlines logo]()
$941
This American Airlines deal was found by Cheapflights users on 10/23. 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 11/62:32 pm -
1 stop7h 27m
Tue 11/102:56 pm -
1 stop5h 25m
Deal found 10/23![American Airlines logo]()
$589
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/205:53 am -
1 stop7h 49m
Sun 11/229:24 am -
1 stop4h 35m
Deal found 10/20![American Airlines logo]()
$542
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/217:01 pm -
1 stop5h 32m
Sat 11/2812:58 pm -
2 stops7h 20m
Deal found 10/22![American Airlines logo]()
$871
One-way flights from Champaign to San AntonioSearch for one-way flight options from Champaign to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
Search for one-way flight options from Champaign to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/92:32 pm -
1 stop7h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$360
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/27:11 am -
1 stop6h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$505
Find flight deals from Champaign to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Champaign (CMI) to San Antonio (SAT). 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 October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $452 (American Airlines) |
One-way from | $360 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Champaign to San Antonio 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 October 24, 2026.
Use the filters below to find and compare flights from Champaign to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChampaignSan Antonio
CMI Champaign University-Willard - SAT San Antonio
CMISAT
Champaign University-Willard
Mon 11/9
2:32 pm-9:59 pm
1 stop7h 27m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$360
ChampaignSan Antonio
CMI Champaign University-Willard - SAT San Antonio
CMISAT
Champaign University-Willard
Wed 2/24
2:39 pm-8:39 pm
1 stop6h 00m
San Antonio
Sat 2/27
9:18 am-2:05 pm
1 stop4h 47m
$452
ChampaignSan Antonio
CMI Champaign University-Willard - SAT San Antonio
CMISAT
Champaign University-Willard
Mon 12/21
6:43 pm-11:59 pm
1 stop5h 16m
San Antonio
Wed 12/30
5:49 am-10:55 am
1 stop5h 06m
$474
Quickest round-trip
ChampaignSan Antonio
CMI Champaign University-Willard - SAT San Antonio
CMISAT
Champaign University-Willard
Mon 11/2
7:11 am-1:15 pm
1 stop6h 04m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$505
ChampaignSan Antonio
CMI Champaign University-Willard - SAT San Antonio
CMISAT
Champaign University-Willard
Fri 11/20
5:53 am-1:42 pm
1 stop7h 49m
San Antonio
Sun 11/22
9:24 am-1:59 pm
1 stop4h 35m
$542
ChampaignSan Antonio
CMI Champaign University-Willard - SAT San Antonio
CMISAT
Champaign University-Willard
Fri 11/6
12:13 pm-9:59 pm
2 stops9h 46m
San Antonio
Tue 11/10
9:22 am-2:02 pm
1 stop4h 40m
$595
ChampaignSan Antonio
CMI Champaign University-Willard - SAT San Antonio
CMISAT
Champaign University-Willard
Tue 2/2
6:06 am-11:58 pm
1 stop17h 52m
San Antonio
Thu 2/4
8:04 am-6:29 pm
1 stop10h 25m
$752
Sorted by cheapest first
Compare providers for flights from Champaign to San Antonio
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 Champaign to San Antonio in October.
| 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 Champaign-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Champaign-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Champaign-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Champaign-San Antonio 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 Champaign-San Antonio 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 Champaign to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Champaign with our price prediction graph.
CMI-SAT
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 Champaign to San Antonio. 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 Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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