$113+ Cheap flights from San Antonio (SAT) to O'Hare Intl (ORD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — ORD
Jul 10 — Jul 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 August or September, booked 70 days in advance, depart on a Thursday or Friday and return on a Wednesday
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 June 10, 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 June 10, 2026.
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/301:20 pm
SAT
- ORD
Nonstop3h 02m
United Airlines
Sat 7/47:58 pm
ORD
- SAT
Nonstop2h 59m
United Airlines
Deal found 6/9![United Airlines logo]()
$305
This Super.com deal was found by Cheapflights users on 6/4. 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.
Tue 6/238:56 pm
SAT
- ORD
1 stop8h 11m
Frontier
Tue 7/79:57 pm
ORD
- SAT
1 stop20h 47m
Frontier
Deal found 6/4![Frontier logo]()
$307
This Priceline deal was found by Cheapflights users on 6/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:56 pm
SAT
- ORD
1 stop8h 11m
Frontier
Sat 7/47:20 am
ORD
- SAT
1 stop12h 51m
Frontier
Deal found 6/9![Frontier logo]()
$308
This Mytrip deal was found by Cheapflights users on 6/8. 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.
Wed 7/299:32 pm
SAT
- ORD
1 stop8h 05m
Frontier
Sun 8/29:57 pm
ORD
- SAT
1 stop20h 47m
Frontier
Deal found 6/8![Frontier logo]()
$309
This Expedia deal was found by Cheapflights users on 6/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:39 pm
SAT
- ORD
1 stop25h 13m
Frontier
Sun 7/265:13 pm
ORD
- SAT
1 stop15h 43m
Frontier
Deal found 6/8![Frontier logo]()
$310
This Booking.com deal was found by Cheapflights users on 6/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:51 pm
SAT
- ORD
1 stop24h 52m
Frontier
Tue 6/309:48 pm
ORD
- SAT
1 stop21h 08m
Frontier
Deal found 6/8![Frontier logo]()
$311
This Booking.com deal was found by Cheapflights users on 6/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:32 pm
SAT
- ORD
1 stop8h 05m
Frontier
Tue 8/189:48 pm
ORD
- SAT
1 stop21h 08m
Frontier
Deal found 6/4![Frontier logo]()
$312
This Frontier deal was found by Cheapflights users on 6/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/69:32 pm
SAT
- ORD
1 stop8h 05m
Frontier
Wed 8/57:15 am
ORD
- SAT
1 stop13h 22m
Frontier
Deal found 6/8![Frontier logo]()
$313
This Frontier deal was found by Cheapflights users on 6/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/59:32 pm
SAT
- ORD
1 stop8h 05m
Frontier
Sat 8/17:15 am
ORD
- SAT
1 stop13h 22m
Frontier
Deal found 6/8![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:32 pm
SAT
- ORD
1 stop8h 05m
Frontier
Thu 7/237:15 am
ORD
- SAT
1 stop13h 22m
Frontier
Deal found 6/9![Frontier logo]()
$318
This Gotogate deal was found by Cheapflights users on 6/6. 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.
Thu 6/258:56 pm
SAT
- ORD
1 stop8h 11m
Frontier
Wed 7/19:48 pm
ORD
- SAT
1 stop21h 08m
Frontier
Deal found 6/6![Frontier logo]()
$319
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 June 10, 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 June 10, 2026.
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/74:18 pm
SAT
- ORD
1 stop6h 57m
United Airlines
Thu 7/97:58 pm
ORD
- SAT
Nonstop2h 59m
United Airlines
Deal found 6/9![United Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Fri 7/106:40 am
SAT
- ORD
Nonstop2h 58m
United Airlines
Tue 7/149:25 am
ORD
- SAT
Nonstop3h 04m
United Airlines
Deal found 6/5![United Airlines logo]()
$356
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 9/45:59 pm
SAT
- ORD
1 stop7h 00m
United Airlines
Mon 9/77:50 pm
ORD
- SAT
Nonstop3h 01m
United Airlines
Deal found 6/9![United Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/211:25 pm
SAT
- ORD
Nonstop3h 02m
United Airlines
Wed 7/229:25 am
ORD
- SAT
Nonstop3h 04m
United Airlines
Deal found 6/7![United Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/289:37 am
SAT
- ORD
1 stop7h 02m
United Airlines
Wed 7/291:30 pm
ORD
- SAT
Nonstop2h 59m
United Airlines
Deal found 6/7![United Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 6/6. 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 8/124:12 pm
SAT
- ORD
1 stop7h 14m
United Airlines
Sat 8/151:30 pm
ORD
- SAT
Nonstop3h 01m
United Airlines
Deal found 6/6![United Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/111:25 pm
SAT
- ORD
Nonstop3h 02m
United Airlines
Fri 7/177:58 pm
ORD
- SAT
Nonstop2h 59m
United Airlines
Deal found 6/9![United Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 6/7. 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 8/135:30 am
SAT
- ORD
1 stop5h 50m
United Airlines
Sun 8/161:30 pm
ORD
- SAT
Nonstop3h 01m
United Airlines
Deal found 6/7![United Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/147:20 pm
SAT
- ORD
1 stop5h 25m
United Airlines
Wed 7/158:51 am
ORD
- SAT
1 stop6h 48m
United Airlines
Deal found 6/8![United Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Fri 6/195:30 pm
SAT
- ORD
Nonstop3h 03m
United Airlines
Mon 7/137:58 pm
ORD
- SAT
Nonstop2h 59m
United Airlines
Deal found 6/5![United Airlines logo]()
$460
Last-minute flights from San Antonio to O'Hare IntlDiscover last-minute flight deals from San Antonio to O'Hare Intl. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to O'Hare Intl. Data last updated June 10, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 6/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/148:56 pm
SAT
- ORD
1 stop8h 11m
Frontier
Sat 6/207:20 am
ORD
- SAT
1 stop12h 51m
Frontier
Deal found 6/8![Frontier logo]()
$390
This Super.com deal was found by Cheapflights users on 6/9. 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 6/154:22 pm
SAT
- ORD
1 stop6h 57m
Frontier
Tue 6/169:48 pm
ORD
- SAT
1 stop21h 08m
Frontier
Deal found 6/9![Frontier logo]()
$399
This Expedia deal was found by Cheapflights users on 6/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:56 pm
SAT
- ORD
1 stop8h 11m
Frontier
Tue 6/239:48 pm
ORD
- SAT
1 stop21h 08m
Frontier
Deal found 6/5![Frontier logo]()
$320
This Expedia deal was found by Cheapflights users on 6/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:56 pm
SAT
- ORD
1 stop8h 11m
Frontier
Fri 6/269:48 pm
ORD
- SAT
1 stop21h 08m
Frontier
Deal found 6/6![Frontier logo]()
$340
This Priceline deal was found by Cheapflights users on 6/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:56 pm
SAT
- ORD
1 stop8h 11m
Frontier
Wed 6/177:20 am
ORD
- SAT
1 stop12h 51m
Frontier
Deal found 6/9![Frontier logo]()
$370
This CheapOair deal was found by Cheapflights users on 6/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:56 pm
SAT
- ORD
1 stop8h 11m
Frontier
Mon 6/229:48 pm
ORD
- SAT
1 stop21h 08m
Frontier
Deal found 6/9![Frontier logo]()
$465
This Orbitz deal was found by Cheapflights users on 6/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/194:22 pm
SAT
- ORD
1 stop6h 57m
Frontier
Mon 7/139:57 pm
ORD
- SAT
1 stop20h 47m
Frontier
Deal found 6/5![Frontier logo]()
$428
This Expedia deal was found by Cheapflights users on 6/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:56 pm
SAT
- ORD
1 stop8h 11m
Frontier
Sat 6/209:48 pm
ORD
- SAT
1 stop21h 08m
Frontier
Deal found 6/5![Frontier logo]()
$449
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Fri 6/195:30 pm
SAT
- ORD
Nonstop3h 03m
United Airlines
Mon 7/137:58 pm
ORD
- SAT
Nonstop2h 59m
United Airlines
Deal found 6/5![United Airlines logo]()
$460
This Trip.com deal was found by Cheapflights users on 6/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:56 pm
SAT
- ORD
1 stop8h 11m
Frontier
Mon 6/229:48 pm
ORD
- SAT
1 stop21h 08m
Frontier
Deal found 6/5![Frontier logo]()
$467
This American Airlines deal was found by Cheapflights users on 6/5. 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 6/192:51 pm
SAT
- ORD
1 stop5h 20m
American Airlines
Mon 7/135:00 am
ORD
- SAT
1 stop5h 08m
American Airlines
Deal found 6/5![American Airlines logo]()
$500
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 June 10, 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 June 10, 2026.
This Super.com deal was found by Cheapflights users on 6/5. 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 7/299:32 pm
SAT
- ORD
1 stop8h 05m
Frontier
Deal found 6/5![Frontier logo]()
$113
This Super.com deal was found by Cheapflights users on 6/9. 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.
Tue 7/149:32 pm
SAT
- ORD
1 stop8h 05m
Frontier
Deal found 6/9![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:32 pm
SAT
- ORD
1 stop8h 05m
Frontier
Deal found 6/9![Frontier logo]()
$115
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/46:24 am
SAT
- ORD
Nonstop3h 05m
American Airlines
Deal found 6/9![American Airlines logo]()
$116
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 8/412:05 pm
SAT
- ORD
1 stop8h 50m
Delta
Deal found 6/9![Delta logo]()
$126
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:56 pm
SAT
- ORD
1 stop8h 11m
Frontier
Deal found 6/9![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 6/7. 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 7/279:32 pm
SAT
- ORD
1 stop8h 05m
Frontier
Deal found 6/7![Frontier logo]()
$131
This Super.com deal was found by Cheapflights users on 6/7. 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 7/209:32 pm
SAT
- ORD
1 stop8h 05m
Frontier
Deal found 6/7![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 6/9. 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 7/99:32 pm
SAT
- ORD
1 stop8h 05m
Frontier
Deal found 6/9![Frontier logo]()
$134
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/59:32 pm
SAT
- ORD
1 stop8h 05m
Frontier
Deal found 6/9![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 6/5. 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.
Sun 7/267:39 pm
SAT
- ORD
1 stop25h 13m
Frontier
Deal found 6/5![Frontier logo]()
$140
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $305 (United Airlines) |
One-way from | $113 (Super.com) |
Popular in | November |
Cheapest in | August |
Average price | $425 |
Good round-trip deal | $414 or less |
Good one-way deal | $240 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 2,558,603 searches. Data last updated June 10, 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
San AntonioChicago
SAT - ORD
SATORD
San Antonio
Tue 7/7
4:18 pm-11:15 pm
1 stop6h 57m
Chicago O'Hare Intl
Thu 7/9
7:58 pm-10:57 pm
Nonstop2h 59m
$346
San AntonioChicago
SAT - ORD
SATORD
San Antonio
Fri 7/10
6:40 am-9:38 am
Nonstop2h 58m
Chicago O'Hare Intl
Tue 7/14
9:25 am-12:29 pm
Nonstop3h 04m
$356
San AntonioChicago
SAT - ORD
SATORD
San Antonio
Fri 9/4
5:59 pm-12:59 am
1 stop7h 00m
Chicago O'Hare Intl
Mon 9/7
7:50 pm-10:51 pm
Nonstop3h 01m
$360
San AntonioChicago
SAT - ORD
SATORD
San Antonio
Tue 7/21
1:25 pm-4:27 pm
Nonstop3h 02m
Chicago O'Hare Intl
Wed 7/22
9:25 am-12:29 pm
Nonstop3h 04m
$367
San AntonioChicago
SAT - ORD
SATORD
San Antonio
Tue 7/28
9:37 am-4:39 pm
1 stop7h 02m
Chicago O'Hare Intl
Wed 7/29
1:30 pm-4:29 pm
Nonstop2h 59m
$377
San AntonioChicago
SAT - ORD
SATORD
San Antonio
Wed 8/12
4:12 pm-11:26 pm
1 stop7h 14m
Chicago O'Hare Intl
Sat 8/15
1:30 pm-4:31 pm
Nonstop3h 01m
$377
Quickest round-trip
San AntonioChicago
SAT - ORD
SATORD
San Antonio
Sat 7/11
1:25 pm-4:27 pm
Nonstop3h 02m
Chicago O'Hare Intl
Fri 7/17
7:58 pm-10:57 pm
Nonstop2h 59m
$387
San AntonioChicago
SAT - ORD
SATORD
San Antonio
Thu 8/13
5:30 am-11:20 am
1 stop5h 50m
Chicago O'Hare Intl
Sun 8/16
1:30 pm-4:31 pm
Nonstop3h 01m
$417
San AntonioChicago
SAT - ORD
SATORD
San Antonio
Tue 7/14
7:20 pm-12:45 am
1 stop5h 25m
Chicago O'Hare Intl
Wed 7/15
8:51 am-3:39 pm
1 stop6h 48m
$446
San AntonioChicago
SAT - ORD
SATORD
San Antonio
Fri 6/19
5:30 pm-8:33 pm
Nonstop3h 03m
Chicago O'Hare Intl
Mon 7/13
7:58 pm-10:57 pm
Nonstop2h 59m
$460
Showing 1-10 of 21 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 June.
| 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 Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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, September is the cheapest month in which you can book a flight from San Antonio to Chicago O'Hare Intl Airport (average of $318). Flying from San Antonio to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $458). 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 June 10, 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 42% 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 June 10, 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
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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
Schaumburg
Naperville
Lake Geneva
Gurnee
Delavan
Oakbrook Terrace
Downers Grove
Des Plaines
Hoffman Estates
Oak Brook
South Holland
Libertyville
Warrenville
Rockford
Great Lakes
Northbrook
Waukegan
Elk Grove Village
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
O'Hare Intl flight routes
Other flight options
Other flights from San Antonio
Popular flights
Alternative routes for San Antonio to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Antonio to O'Hare Intl by cabin class
Find flights from San Antonio to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 June 10, 2026.
San Antonio and O'Hare Intl flights
Browse other San Antonio and O'Hare Intl flight options. Last updated on June 10, 2026.
Other flights from San Antonio
Browse through other flights departing from San Antonio. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$96 | Average$211 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$235 | Average$384 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$277 | Average$440 | FlexibilityNo cancel fee | On-time69% |