United Flight 5231 Deals & Information (2026/2027)

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United Flight 5231 Route Deals From $249

The cheapest prices found with in the last 7 days for return flights were $288 and $249 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 11 - Mon, Sep 14
SBN
South Bend Intl.
ORD
O'Hare Intl.
$288 Roundtrip, found 5 days ago
$288
Roundtrip
found 5 days ago
Select United flight, departing Fri, Sep 11 from South Bend Intl. to O'Hare Intl., returning Mon, Sep 14, priced at $288 found 5 days ago
Tue, Nov 3 - Thu, Nov 19
SBN
South Bend Intl.
ORD
O'Hare Intl.
$314 Roundtrip, found 6 days ago
$314
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 3 from South Bend Intl. to O'Hare Intl., returning Thu, Nov 19, priced at $314 found 6 days ago
Tue, Nov 3 - Thu, Nov 19
SBN
South Bend Intl.
ORD
O'Hare Intl.
$321 Roundtrip, found 6 days ago
$321
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 3 from South Bend Intl. to O'Hare Intl., returning Thu, Nov 19, priced at $321 found 6 days ago
Tue, Nov 3 - Thu, Nov 19
SBN
South Bend Intl.
ORD
O'Hare Intl.
$343 Roundtrip, found 6 days ago
$343
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 3 from South Bend Intl. to O'Hare Intl., returning Thu, Nov 19, priced at $343 found 6 days ago
Tue, Nov 3 - Thu, Nov 19
SBN
South Bend Intl.
ORD
O'Hare Intl.
$352 Roundtrip, found 6 days ago
$352
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 3 from South Bend Intl. to O'Hare Intl., returning Thu, Nov 19, priced at $352 found 6 days ago
Fri, Sep 11 - Mon, Sep 14
SBN
South Bend Intl.
ORD
O'Hare Intl.
$359 Roundtrip, found 5 days ago
$359
Roundtrip
found 5 days ago
Select United flight, departing Fri, Sep 11 from South Bend Intl. to O'Hare Intl., returning Mon, Sep 14, priced at $359 found 5 days ago
Sun, Sep 27 - Wed, Sep 30
SBN
South Bend Intl.
ORD
O'Hare Intl.
$497 Roundtrip, found 3 days ago
$497
Roundtrip
found 3 days ago
Select United flight, departing Sun, Sep 27 from South Bend Intl. to O'Hare Intl., returning Wed, Sep 30, priced at $497 found 3 days ago
Sun, Sep 27 - Wed, Sep 30
SBN
South Bend Intl.
ORD
O'Hare Intl.
$504 Roundtrip, found 3 days ago
$504
Roundtrip
found 3 days ago
Select United flight, departing Sun, Sep 27 from South Bend Intl. to O'Hare Intl., returning Wed, Sep 30, priced at $504 found 3 days ago
Sun, Sep 27 - Wed, Sep 30
SBN
South Bend Intl.
ORD
O'Hare Intl.
$511 Roundtrip, found 3 days ago
$511
Roundtrip
found 3 days ago
Select United flight, departing Sun, Sep 27 from South Bend Intl. to O'Hare Intl., returning Wed, Sep 30, priced at $511 found 3 days ago
Sun, Sep 27 - Wed, Sep 30
SBN
South Bend Intl.
ORD
O'Hare Intl.
$524 Roundtrip, found 3 days ago
$524
Roundtrip
found 3 days ago
Select United flight, departing Sun, Sep 27 from South Bend Intl. to O'Hare Intl., returning Wed, Sep 30, priced at $524 found 3 days ago
Sun, Sep 27 - Wed, Sep 30
SBN
South Bend Intl.
ORD
O'Hare Intl.
$537 Roundtrip, found 3 days ago
$537
Roundtrip
found 3 days ago
Select United flight, departing Sun, Sep 27 from South Bend Intl. to O'Hare Intl., returning Wed, Sep 30, priced at $537 found 3 days ago
Sun, Sep 27 - Wed, Sep 30
SBN
South Bend Intl.
ORD
O'Hare Intl.
$545 Roundtrip, found 3 days ago
$545
Roundtrip
found 3 days ago
Select United flight, departing Sun, Sep 27 from South Bend Intl. to O'Hare Intl., returning Wed, Sep 30, priced at $545 found 3 days ago
Sun, Sep 27 - Wed, Sep 30
SBN
South Bend Intl.
ORD
O'Hare Intl.
$558 Roundtrip, found 3 days ago
$558
Roundtrip
found 3 days ago
Select United flight, departing Sun, Sep 27 from South Bend Intl. to O'Hare Intl., returning Wed, Sep 30, priced at $558 found 3 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.