United Flight 5231 Deals & Information (2026/2027)

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United Flight 5231 Route Deals From $243

The cheapest prices found with in the last 7 days for return flights were $239 and $243 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 7 - Sat, Jul 18
SBN
South Bend Intl.
ORD
O'Hare Intl.
$239 Roundtrip, found 19 hours ago
$239
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Jul 7 from South Bend Intl. to O'Hare Intl., returning Sat, Jul 18, priced at $239 found 19 hours ago
Sat, May 23 - Sat, May 30
SBN
South Bend Intl.
ORD
O'Hare Intl.
$250 Roundtrip, found 19 hours ago
$250
Roundtrip
found 19 hours ago
Select United flight, departing Sat, May 23 from South Bend Intl. to O'Hare Intl., returning Sat, May 30, priced at $250 found 19 hours ago
Tue, Jul 7 - Sat, Jul 18
SBN
South Bend Intl.
ORD
O'Hare Intl.
$255 Roundtrip, found 19 hours ago
$255
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Jul 7 from South Bend Intl. to O'Hare Intl., returning Sat, Jul 18, priced at $255 found 19 hours ago
Tue, Jul 7 - Sat, Jul 18
SBN
South Bend Intl.
ORD
O'Hare Intl.
$256 Roundtrip, found 19 hours ago
$256
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Jul 7 from South Bend Intl. to O'Hare Intl., returning Sat, Jul 18, priced at $256 found 19 hours ago
Tue, Jul 7 - Sat, Jul 18
SBN
South Bend Intl.
ORD
O'Hare Intl.
$262 Roundtrip, found 19 hours ago
$262
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Jul 7 from South Bend Intl. to O'Hare Intl., returning Sat, Jul 18, priced at $262 found 19 hours ago
Fri, Apr 3 - Sat, Apr 11
SBN
South Bend Intl.
ORD
O'Hare Intl.
$265 Roundtrip, found 6 days ago
$265
Roundtrip
found 6 days ago
Select United flight, departing Fri, Apr 3 from South Bend Intl. to O'Hare Intl., returning Sat, Apr 11, priced at $265 found 6 days ago
Tue, Jul 7 - Sat, Jul 18
SBN
South Bend Intl.
ORD
O'Hare Intl.
$270 Roundtrip, found 19 hours ago
$270
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Jul 7 from South Bend Intl. to O'Hare Intl., returning Sat, Jul 18, priced at $270 found 19 hours ago
Tue, Jul 7 - Sat, Jul 18
SBN
South Bend Intl.
ORD
O'Hare Intl.
$273 Roundtrip, found 19 hours ago
$273
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Jul 7 from South Bend Intl. to O'Hare Intl., returning Sat, Jul 18, priced at $273 found 19 hours ago
Tue, Jul 7 - Sat, Jul 18
SBN
South Bend Intl.
ORD
O'Hare Intl.
$279 Roundtrip, found 19 hours ago
$279
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Jul 7 from South Bend Intl. to O'Hare Intl., returning Sat, Jul 18, priced at $279 found 19 hours ago
Fri, Apr 3 - Sat, Apr 4
SBN
South Bend Intl.
ORD
O'Hare Intl.
$281 Roundtrip, found 6 days ago
$281
Roundtrip
found 6 days ago
Select United flight, departing Fri, Apr 3 from South Bend Intl. to O'Hare Intl., returning Sat, Apr 4, priced at $281 found 6 days ago

Frequently asked questions

What route does flight number UA5231 take?
UA5231 is used on multiple routes. Most often, UA5231 flies direct from San Francisco Airport to John Wayne Airport (SNA). If you have a ticket on this route, you'll be flying for around 1 hour and 29 minutes.
What terminal does UA5231 fly out of?
UA5231 flights from San Francisco Airport usually head off from Terminal 3. This flight number runs on multiple routes, but the most popular one is San Francisco Airport to SNA.
What kind of plane is on flight number UA5231?
If you're on flight UA5231 from San Francisco Intl. Airport (SFO) to John Wayne Airport, there's a good chance you'll be on board a Bombardier CRJ700. Flight UA5231 serves numerous routes, but this is the most popular one.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA5231 flight with Travelocity, please visit our Customer Service Portal.