United Flight 5231 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 5231 Route Deals From $204

The cheapest prices found with in the last 7 days for return flights were $183 and $204 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 17 - Sun, Oct 19
SBN
South Bend Intl.
ORD
O'Hare Intl.
$183 Roundtrip, found 11 hours ago
$183
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Oct 17 from South Bend Intl. to O'Hare Intl., returning Sun, Oct 19, priced at $183 found 11 hours ago
Fri, Sep 26 - Mon, Sep 29
SBN
South Bend Intl.
ORD
O'Hare Intl.
$194 Roundtrip, found 4 days ago
$194
Roundtrip
found 4 days ago
Select United flight, departing Fri, Sep 26 from South Bend Intl. to O'Hare Intl., returning Mon, Sep 29, priced at $194 found 4 days ago
Fri, Sep 26 - Mon, Sep 29
SBN
South Bend Intl.
ORD
O'Hare Intl.
$195 Roundtrip, found 4 days ago
$195
Roundtrip
found 4 days ago
Select United flight, departing Fri, Sep 26 from South Bend Intl. to O'Hare Intl., returning Mon, Sep 29, priced at $195 found 4 days ago
Mon, Sep 29 - Mon, Oct 13
SBN
South Bend Intl.
ORD
O'Hare Intl.
$197 Roundtrip, found 4 days ago
$197
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 29 from South Bend Intl. to O'Hare Intl., returning Mon, Oct 13, priced at $197 found 4 days ago
Fri, Sep 26 - Mon, Sep 29
SBN
South Bend Intl.
ORD
O'Hare Intl.
$209 Roundtrip, found 4 days ago
$209
Roundtrip
found 4 days ago
Select United flight, departing Fri, Sep 26 from South Bend Intl. to O'Hare Intl., returning Mon, Sep 29, priced at $209 found 4 days ago
Mon, Sep 29 - Mon, Oct 13
SBN
South Bend Intl.
ORD
O'Hare Intl.
$209 Roundtrip, found 4 days ago
$209
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 29 from South Bend Intl. to O'Hare Intl., returning Mon, Oct 13, priced at $209 found 4 days ago
Fri, Sep 26 - Mon, Sep 29
SBN
South Bend Intl.
ORD
O'Hare Intl.
$210 Roundtrip, found 4 days ago
$210
Roundtrip
found 4 days ago
Select United flight, departing Fri, Sep 26 from South Bend Intl. to O'Hare Intl., returning Mon, Sep 29, priced at $210 found 4 days ago
Fri, Oct 17 - Sun, Oct 19
SBN
South Bend Intl.
ORD
O'Hare Intl.
$212 Roundtrip, found 11 hours ago
$212
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Oct 17 from South Bend Intl. to O'Hare Intl., returning Sun, Oct 19, priced at $212 found 11 hours ago
Fri, Sep 26 - Mon, Sep 29
SBN
South Bend Intl.
ORD
O'Hare Intl.
$213 Roundtrip, found 4 days ago
$213
Roundtrip
found 4 days ago
Select United flight, departing Fri, Sep 26 from South Bend Intl. to O'Hare Intl., returning Mon, Sep 29, priced at $213 found 4 days ago
Fri, Oct 17 - Sun, Oct 19
SBN
South Bend Intl.
ORD
O'Hare Intl.
$218 Roundtrip, found 11 hours ago
$218
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Oct 17 from South Bend Intl. to O'Hare Intl., returning Sun, Oct 19, priced at $218 found 11 hours 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.