United Flight 3508 Deals & Information (2025/2026)

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United Flight 3508 Route Deals From $70

The cheapest prices found with in the last 7 days for return flights were $137 and $70 for one-way flights to Buffalo Niagara Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 7 - Mon, Aug 11
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$137 Roundtrip, found 19 hours ago
$137
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Aug 7 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 11, priced at $137 found 19 hours ago
Thu, Nov 27 - Tue, Dec 2
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$139 Roundtrip, found 3 hours ago
$139
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Nov 27 from O'Hare Intl. to Buffalo Niagara Intl., returning Tue, Dec 2, priced at $139 found 3 hours ago
Thu, Nov 27 - Tue, Dec 2
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$159 Roundtrip, found 3 hours ago
$159
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Nov 27 from O'Hare Intl. to Buffalo Niagara Intl., returning Tue, Dec 2, priced at $159 found 3 hours ago
Mon, Sep 1 - Sat, Sep 6
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$168 Roundtrip, found 6 days ago
$168
Roundtrip
found 6 days ago
Select United flight, departing Mon, Sep 1 from O'Hare Intl. to Buffalo Niagara Intl., returning Sat, Sep 6, priced at $168 found 6 days ago
Thu, Nov 27 - Tue, Dec 2
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$170 Roundtrip, found 3 hours ago
$170
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Nov 27 from O'Hare Intl. to Buffalo Niagara Intl., returning Tue, Dec 2, priced at $170 found 3 hours ago
Thu, Nov 27 - Tue, Dec 2
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$190 Roundtrip, found 3 hours ago
$190
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Nov 27 from O'Hare Intl. to Buffalo Niagara Intl., returning Tue, Dec 2, priced at $190 found 3 hours ago
Thu, Nov 27 - Tue, Dec 2
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$201 Roundtrip, found 3 hours ago
$201
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Nov 27 from O'Hare Intl. to Buffalo Niagara Intl., returning Tue, Dec 2, priced at $201 found 3 hours ago
Thu, Nov 27 - Tue, Dec 2
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$206 Roundtrip, found 3 hours ago
$206
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Nov 27 from O'Hare Intl. to Buffalo Niagara Intl., returning Tue, Dec 2, priced at $206 found 3 hours ago
Wed, Aug 6 - Tue, Aug 12
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$209 Roundtrip, found 19 hours ago
$209
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Aug 6 from O'Hare Intl. to Buffalo Niagara Intl., returning Tue, Aug 12, priced at $209 found 19 hours ago
Thu, Nov 27 - Tue, Dec 2
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$213 Roundtrip, found 3 hours ago
$213
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Nov 27 from O'Hare Intl. to Buffalo Niagara Intl., returning Tue, Dec 2, priced at $213 found 3 hours ago
Thu, Aug 7 - Mon, Aug 11
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$223 Roundtrip, found 19 hours ago
$223
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Aug 7 from O'Hare Intl. to Buffalo Niagara Intl., returning Mon, Aug 11, priced at $223 found 19 hours ago
Thu, Nov 27 - Tue, Dec 2
ORD
O'Hare Intl.
BUF
Buffalo Niagara Intl.
$225 Roundtrip, found 3 hours ago
$225
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Nov 27 from O'Hare Intl. to Buffalo Niagara Intl., returning Tue, Dec 2, priced at $225 found 3 hours ago

Frequently asked questions

What route does flight number UA3508 take?
UA3508 is used on multiple routes, but the most common is between ORD and MSN. If on a direct flight, you'll land in around 48 minutes. Multi-stop flights can also operate under this number, as can flights on other routes.
What terminal does UA3508 fly out of?
If you're flying out of O'Hare Airport, you'll likely board the plane from Terminal 2. The most popular route for UA3508 is O'Hare Airport to MSN, which is a direct flight.
What kind of plane is on flight number UA3508?
You'll probably be climbing aboard the Embraer 170 if you've booked a fare on flight number UA3508 from ORD to Dane County Regional Airport (MSN). It's the most commonly used aircraft type on this busy route.
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 UA3508 flight with Travelocity, please visit our Customer Service Portal.