United Flight 5231 Deals & Information (2026/2027)

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United Flight 5231 Route Deals From $208

The cheapest prices found with in the last 7 days for return flights were $184 and $208 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jan 23 - Sun, Jan 25
SBN
South Bend Intl.
ORD
O'Hare Intl.
$184 Roundtrip, found 5 days ago
$184
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jan 23 from South Bend Intl. to O'Hare Intl., returning Sun, Jan 25, priced at $184 found 5 days ago
Fri, Jan 23 - Sun, Jan 25
SBN
South Bend Intl.
ORD
O'Hare Intl.
$194 Roundtrip, found 5 days ago
$194
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jan 23 from South Bend Intl. to O'Hare Intl., returning Sun, Jan 25, priced at $194 found 5 days ago
Fri, Jan 23 - Sun, Jan 25
SBN
South Bend Intl.
ORD
O'Hare Intl.
$224 Roundtrip, found 5 days ago
$224
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jan 23 from South Bend Intl. to O'Hare Intl., returning Sun, Jan 25, priced at $224 found 5 days ago
Fri, Jan 23 - Sun, Jan 25
SBN
South Bend Intl.
ORD
O'Hare Intl.
$254 Roundtrip, found 5 days ago
$254
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jan 23 from South Bend Intl. to O'Hare Intl., returning Sun, Jan 25, priced at $254 found 5 days ago
Fri, Jan 23 - Sun, Jan 25
SBN
South Bend Intl.
ORD
O'Hare Intl.
$256 Roundtrip, found 5 days ago
$256
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jan 23 from South Bend Intl. to O'Hare Intl., returning Sun, Jan 25, priced at $256 found 5 days ago
Fri, Jan 23 - Sun, Jan 25
SBN
South Bend Intl.
ORD
O'Hare Intl.
$265 Roundtrip, found 5 days ago
$265
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jan 23 from South Bend Intl. to O'Hare Intl., returning Sun, Jan 25, priced at $265 found 5 days ago
Fri, Jan 23 - Sun, Jan 25
SBN
South Bend Intl.
ORD
O'Hare Intl.
$276 Roundtrip, found 5 days ago
$276
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jan 23 from South Bend Intl. to O'Hare Intl., returning Sun, Jan 25, priced at $276 found 5 days ago
Fri, Jan 23 - Sun, Jan 25
SBN
South Bend Intl.
ORD
O'Hare Intl.
$285 Roundtrip, found 5 days ago
$285
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jan 23 from South Bend Intl. to O'Hare Intl., returning Sun, Jan 25, priced at $285 found 5 days ago
Fri, Jan 23 - Sun, Jan 25
SBN
South Bend Intl.
ORD
O'Hare Intl.
$316 Roundtrip, found 5 days ago
$316
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jan 23 from South Bend Intl. to O'Hare Intl., returning Sun, Jan 25, priced at $316 found 5 days ago
Fri, Jan 23 - Sun, Jan 25
SBN
South Bend Intl.
ORD
O'Hare Intl.
$318 Roundtrip, found 5 days ago
$318
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jan 23 from South Bend Intl. to O'Hare Intl., returning Sun, Jan 25, priced at $318 found 5 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.