$104+ Cheap flights from San Antonio (SAT) to O'Hare Intl (ORD)
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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — ORD
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to O'Hare Intl 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.Cheapflights Tip: The best prices from San Antonio to Chicago O'Hare Intl are usually found in February or April, booked 70 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from San Antonio to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Antonio to O'Hare IntlExplore the most affordable flight options available from San Antonio to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
Explore the most affordable flight options available from San Antonio to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:03 pm -
1 stop8h 56m
Fri 1/15:01 am -
1 stop7h 31m
Deal found 10/18![Frontier logo]()
$307
This Super.com deal was found by Cheapflights users on 10/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:11 pm -
1 stop28h 10m
Mon 11/166:30 am -
1 stop12h 55m
Deal found 10/18![Frontier logo]()
$309
This Super.com deal was found by Cheapflights users on 10/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:28 pm -
1 stop28h 25m
Sun 11/225:15 am -
1 stop16h 01m
Deal found 10/18![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:03 pm -
2 stops35h 12m
Sat 12/57:25 am -
1 stop10h 36m
Deal found 10/19![Frontier logo]()
$314
This Cheapflightsfares deal was found by Cheapflights users on 10/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:11 pm -
1 stop28h 10m
Mon 11/96:30 am -
1 stop12h 55m
Deal found 10/17![Frontier logo]()
$317
This Cheapflightsfares deal was found by Cheapflights users on 10/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:20 pm -
1 stop28h 01m
Sun 11/226:40 am -
1 stop12h 53m
Deal found 10/18![Frontier logo]()
$318
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:29 pm -
2 stops25h 52m
Mon 11/165:15 pm -
2 stops26h 10m
Deal found 10/21![Frontier logo]()
$321
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:11 pm -
1 stop28h 10m
Tue 11/107:35 pm -
2 stops23h 50m
Deal found 10/22![Frontier logo]()
$322
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.
Wed 11/257:09 am -
Nonstop2h 56m
Fri 11/276:59 am -
1 stop5h 09m
Deal found 10/21![American Airlines logo]()
$323
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:50 pm -
1 stop5h 38m
Fri 1/11:30 pm -
Nonstop3h 24m
Deal found 10/20![United Airlines logo]()
$324
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:20 pm -
1 stop28h 01m
Mon 11/97:50 pm -
2 stops23h 35m
Deal found 10/21![Frontier logo]()
$326
Best flights from San Antonio to O'Hare IntlDiscover carefully curated flight deals from San Antonio to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
Discover carefully curated flight deals from San Antonio to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/215:58 pm -
1 stop5h 26m
Fri 12/255:58 pm -
1 stop4h 53m
Deal found 10/20![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 10/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:40 am -
1 stop5h 08m
Mon 11/233:59 pm -
1 stop8h 34m
Deal found 10/17![Delta logo]()
$457
This United Airlines deal was found by Cheapflights users on 10/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/234:48 pm -
1 stop5h 58m
Mon 11/308:30 pm -
Nonstop3h 07m
Deal found 10/19![United Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 10/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:15 pm -
Nonstop2h 58m
Tue 11/248:27 pm -
Nonstop3h 07m
Deal found 10/18![United Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 10/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:10 pm -
Nonstop3h 07m
Tue 12/85:45 am -
1 stop5h 06m
Deal found 10/18![United Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 10/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:15 pm -
Nonstop2h 58m
Sat 11/214:07 pm -
1 stop5h 19m
Deal found 10/17![United Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 10/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:40 am -
Nonstop2h 59m
Sat 11/217:52 pm -
Nonstop3h 05m
Deal found 10/17![United Airlines logo]()
$506
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/217:08 pm -
1 stop5h 36m
Sun 12/277:45 pm -
Nonstop3h 14m
Deal found 10/20![United Airlines logo]()
$550
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:20 pm -
1 stop5h 34m
Fri 11/61:30 pm -
Nonstop3h 19m
Deal found 10/20![United Airlines logo]()
$609
This United Airlines deal was found by Cheapflights users on 10/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:37 am -
Nonstop2h 59m
Sat 10/317:49 pm -
Nonstop3h 08m
Deal found 10/17![United Airlines logo]()
$685
Last-minute flights from San Antonio to O'Hare IntlDiscover last-minute flight deals from San Antonio to O'Hare Intl. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to O'Hare Intl. Data last updated October 22, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:20 pm -
1 stop28h 01m
Sun 11/226:40 am -
1 stop12h 53m
Deal found 10/18![Frontier logo]()
$318
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:20 pm -
1 stop28h 01m
Mon 11/97:50 pm -
2 stops23h 35m
Deal found 10/21![Frontier logo]()
$326
This Cheapflightsfares deal was found by Cheapflights users on 10/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:11 pm -
1 stop28h 10m
Mon 11/96:30 am -
1 stop12h 55m
Deal found 10/17![Frontier logo]()
$317
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:11 pm -
1 stop28h 10m
Tue 11/107:35 pm -
2 stops23h 50m
Deal found 10/22![Frontier logo]()
$322
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:29 pm -
2 stops25h 52m
Mon 11/165:15 pm -
2 stops26h 10m
Deal found 10/21![Frontier logo]()
$321
This Super.com deal was found by Cheapflights users on 10/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:11 pm -
1 stop28h 10m
Mon 11/166:30 am -
1 stop12h 55m
Deal found 10/18![Frontier logo]()
$309
This Super.com deal was found by Cheapflights users on 10/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:28 pm -
1 stop28h 25m
Sun 11/225:15 am -
1 stop16h 01m
Deal found 10/18![Frontier logo]()
$310
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.
Tue 11/242:03 pm -
1 stop6h 00m
Tue 12/19:20 pm -
Nonstop3h 13m
Deal found 10/20![American Airlines logo]()
$324
This Cheapflightsfares deal was found by Cheapflights users on 10/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:28 pm -
1 stop28h 25m
Sat 11/285:15 am -
1 stop16h 01m
Deal found 10/17![Frontier logo]()
$327
This Cheapflightsfares deal was found by Cheapflights users on 10/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:06 pm -
1 stop12h 36m
Sat 11/285:15 am -
1 stop16h 01m
Deal found 10/18![Frontier logo]()
$307
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.
Wed 11/257:09 am -
Nonstop2h 56m
Fri 11/276:59 am -
1 stop5h 09m
Deal found 10/21![American Airlines logo]()
$323
One-way flights from San Antonio to O'Hare IntlSearch for one-way flight options from San Antonio to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
Search for one-way flight options from San Antonio to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/238:22 pm -
1 stop28h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$104
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:41 pm -
1 stop28h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$105
This Mytrip deal was found by Cheapflights users on 10/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:31 pm -
1 stop11h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$116
This Flightnetwork deal was found by Cheapflights users on 10/19. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:20 pm -
1 stop28h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$117
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:20 pm -
1 stop28h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$124
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.
Thu 11/267:09 am -
Nonstop2h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$136
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.
Sat 2/206:48 pm -
Nonstop3h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$137
This American Airlines deal was found by Cheapflights users on 10/19. 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 11/177:15 am -
Nonstop2h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$138
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:20 pm -
1 stop28h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$140
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:06 pm -
1 stop27h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$142
Find flight deals from San Antonio to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to O'Hare Intl (ORD). 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 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (Cheapflightsfares) |
One-way from | $104 (Cheapflightsfares) |
Popular in | January |
Cheapest in | February |
Average price | $395 |
Good round-trip deal | $413 or less |
Good one-way deal | $273 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to O'Hare Intl 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 22, 2026.
Use the filters below to find and compare flights from San Antonio to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San AntonioChicago
SAT San Antonio - ORD Chicago O'Hare Intl
SATORD
San Antonio
Thu 11/26
7:09 am-10:05 am
Nonstop2h 56m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$136
San AntonioChicago
SAT San Antonio - ORD Chicago O'Hare Intl
SATORD
San Antonio
Sat 11/14
6:03 pm-11:26 pm
1 stop5h 23m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
San AntonioChicago
SAT San Antonio - ORD Chicago O'Hare Intl
SATORD
San Antonio
Sat 2/20
6:45 am-1:20 pm
1 stop6h 35m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
San AntonioChicago
SAT San Antonio - ORD Chicago O'Hare Intl
SATORD
San Antonio
Thu 12/17
6:33 am-11:44 am
1 stop5h 11m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
San AntonioChicago
SAT San Antonio - ORD Chicago O'Hare Intl
SATORD
San Antonio
Sun 12/20
6:30 pm-9:31 pm
Nonstop3h 01m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$198
San AntonioChicago
SAT San Antonio - ORD Chicago O'Hare Intl
SATORD
San Antonio
Fri 1/1
5:07 am-11:10 am
1 stop6h 03m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$204
San AntonioChicago
SAT San Antonio - ORD Chicago O'Hare Intl
SATORD
San Antonio
Sat 1/2
6:45 am-9:43 am
Nonstop2h 58m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$219
San AntonioChicago
SAT San Antonio - ORD Chicago O'Hare Intl
SATORD
San Antonio
Wed 12/23
5:39 pm-8:40 pm
Nonstop3h 01m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$219
San AntonioChicago
SAT San Antonio - ORD Chicago O'Hare Intl
SATORD
San Antonio
Sat 3/27
4:45 pm-10:39 pm
1 stop5h 54m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$229
San AntonioChicago
SAT San Antonio - ORD Chicago O'Hare Intl
SATORD
San Antonio
Sun 1/3
6:45 am-9:43 am
Nonstop2h 58m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$257
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from San Antonio to O'Hare Intl
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 Antonio to O'Hare Intl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Antonio-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Chicago O'Hare Intl Airport 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 Antonio-Chicago O'Hare Intl Airport 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 Antonio to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from San Antonio with our price prediction graph.
SAT-ORD
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 San Antonio to Chicago O'Hare Intl Airport
Prices
Airlines
How far ahead should I book a flight from San Antonio to Chicago O'Hare Intl Airport?
The price you pay for your flight from San Antonio to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Antonio to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from San Antonio to Chicago O'Hare Intl Airport (average of $367). Flying from San Antonio to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $462). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SAT to ORD?
Find hourly flight availability from San Antonio to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 22, 2026.
When flying from San Antonio to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 40% versus a flight at noon.
The best insider tips for San Antonio to Chicago O'Hare Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Antonio to Chicago O'Hare Intl Airport trip
Our travel experts
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated October 22, 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andFrontier from San Antonio to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.3
Comfort
7.3
Crew
8.1
Boarding
7.7
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.3
Comfort
7.3
Crew
8.1
Boarding
7.7
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.3
Comfort
7.3
Crew
8.1
Boarding
7.7
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Overall
7.3
Comfort
7.3
Crew
8.1
Boarding
7.7
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from San Antonio to O'Hare Intl. 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 Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Naperville
Lake Geneva
Des Plaines
Glenview
Schaumburg
Oak Brook
Aurora
Oakbrook Terrace
Delavan
Libertyville
Rockford
Hoffman Estates
Beloit
Gurnee
Orland Park
South Holland
Elgin
Racine
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Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.
San Antonio and O'Hare Intl flights
Browse other San Antonio and O'Hare Intl flight options. Last updated on October 22, 2026.
Other flights from San Antonio
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Top 3 airlines flying from San Antonio to O'Hare Intl
Discover the top 3 airlines that operate flights from San Antonio to O'Hare Intl. 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 October 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$114 | Average$279 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$237 | Average$394 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$287 | Average$454 | FlexibilityNo cancel fee | On-time69% |