United Flight UA5231 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.

Wed, Aug 27 - Sat, Sep 6
SBN
South Bend Intl.
ORD
O'Hare Intl.
$182 Roundtrip, found 4 days ago
$182
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 27 from South Bend Intl. to O'Hare Intl., returning Sat, Sep 6, priced at $182 found 4 days ago
Tue, Jul 22 - Mon, Aug 4
SBN
South Bend Intl.
ORD
O'Hare Intl.
$188 Roundtrip, found 5 days ago
$188
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 22 from South Bend Intl. to O'Hare Intl., returning Mon, Aug 4, priced at $188 found 5 days ago
Wed, Aug 27 - Sat, Sep 6
SBN
South Bend Intl.
ORD
O'Hare Intl.
$198 Roundtrip, found 4 days ago
$198
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 27 from South Bend Intl. to O'Hare Intl., returning Sat, Sep 6, priced at $198 found 4 days ago
Tue, Jul 22 - Mon, Aug 4
SBN
South Bend Intl.
ORD
O'Hare Intl.
$203 Roundtrip, found 5 days ago
$203
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 22 from South Bend Intl. to O'Hare Intl., returning Mon, Aug 4, priced at $203 found 5 days ago
Tue, Jul 22 - Mon, Aug 4
SBN
South Bend Intl.
ORD
O'Hare Intl.
$212 Roundtrip, found 5 days ago
$212
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 22 from South Bend Intl. to O'Hare Intl., returning Mon, Aug 4, priced at $212 found 5 days ago
Sun, Aug 3 - Sun, Aug 10
SBN
South Bend Intl.
ORD
O'Hare Intl.
$216 Roundtrip, found 2 days ago
$216
Roundtrip
found 2 days ago
Select United flight, departing Sun, Aug 3 from South Bend Intl. to O'Hare Intl., returning Sun, Aug 10, priced at $216 found 2 days ago
Tue, Jul 22 - Tue, Aug 5
SBN
South Bend Intl.
ORD
O'Hare Intl.
$217 Roundtrip, found 2 days ago
$217
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 22 from South Bend Intl. to O'Hare Intl., returning Tue, Aug 5, priced at $217 found 2 days ago
Sun, Aug 3 - Sun, Aug 10
SBN
South Bend Intl.
ORD
O'Hare Intl.
$218 Roundtrip, found 2 days ago
$218
Roundtrip
found 2 days ago
Select United flight, departing Sun, Aug 3 from South Bend Intl. to O'Hare Intl., returning Sun, Aug 10, priced at $218 found 2 days ago
Tue, Jul 22 - Mon, Aug 4
SBN
South Bend Intl.
ORD
O'Hare Intl.
$227 Roundtrip, found 5 days ago
$227
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 22 from South Bend Intl. to O'Hare Intl., returning Mon, Aug 4, priced at $227 found 5 days ago
Tue, Jul 22 - Tue, Aug 5
SBN
South Bend Intl.
ORD
O'Hare Intl.
$232 Roundtrip, found 2 days ago
$232
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 22 from South Bend Intl. to O'Hare Intl., returning Tue, Aug 5, priced at $232 found 2 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.