United Flight 5231 Deals & Information (2025/2026)

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United Flight 5231 Route Deals From $204

The cheapest prices found with in the last 7 days for return flights were $182 and $204 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 28 - Sun, Sep 7
SBN
South Bend Intl.
ORD
O'Hare Intl.
$182 Roundtrip, found 9 hours ago
$182
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Aug 28 from South Bend Intl. to O'Hare Intl., returning Sun, Sep 7, priced at $182 found 9 hours ago
Tue, Aug 5 - Sat, Aug 16
SBN
South Bend Intl.
ORD
O'Hare Intl.
$186 Roundtrip, found 1 day ago
$186
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 5 from South Bend Intl. to O'Hare Intl., returning Sat, Aug 16, priced at $186 found 1 day ago
Thu, Aug 28 - Sun, Sep 7
SBN
South Bend Intl.
ORD
O'Hare Intl.
$191 Roundtrip, found 9 hours ago
$191
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Aug 28 from South Bend Intl. to O'Hare Intl., returning Sun, Sep 7, priced at $191 found 9 hours ago
Mon, Aug 4 - Sun, Aug 17
SBN
South Bend Intl.
ORD
O'Hare Intl.
$194 Roundtrip, found 1 day ago
$194
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 4 from South Bend Intl. to O'Hare Intl., returning Sun, Aug 17, priced at $194 found 1 day ago
Tue, Aug 5 - Sat, Aug 16
SBN
South Bend Intl.
ORD
O'Hare Intl.
$197 Roundtrip, found 1 day ago
$197
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 5 from South Bend Intl. to O'Hare Intl., returning Sat, Aug 16, priced at $197 found 1 day ago
Tue, Aug 5 - Sat, Aug 16
SBN
South Bend Intl.
ORD
O'Hare Intl.
$202 Roundtrip, found 1 day ago
$202
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 5 from South Bend Intl. to O'Hare Intl., returning Sat, Aug 16, priced at $202 found 1 day ago
Tue, Aug 5 - Sat, Aug 16
SBN
South Bend Intl.
ORD
O'Hare Intl.
$212 Roundtrip, found 1 day ago
$212
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 5 from South Bend Intl. to O'Hare Intl., returning Sat, Aug 16, priced at $212 found 1 day ago
Mon, Aug 4 - Sun, Aug 17
SBN
South Bend Intl.
ORD
O'Hare Intl.
$216 Roundtrip, found 1 day ago
$216
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 4 from South Bend Intl. to O'Hare Intl., returning Sun, Aug 17, priced at $216 found 1 day ago
Thu, Aug 28 - Sun, Sep 7
SBN
South Bend Intl.
ORD
O'Hare Intl.
$216 Roundtrip, found 9 hours ago
$216
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Aug 28 from South Bend Intl. to O'Hare Intl., returning Sun, Sep 7, priced at $216 found 9 hours ago
Tue, Aug 5 - Tue, Aug 12
SBN
South Bend Intl.
ORD
O'Hare Intl.
$221 Roundtrip, found 1 day ago
$221
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 5 from South Bend Intl. to O'Hare Intl., returning Tue, Aug 12, priced at $221 found 1 day 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.