United Flight UA3515 Deals & Information (2025/2026)

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United Flight 3515 Route Deals From $56

The cheapest prices found with in the last 7 days for return flights were $113 and $56 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 13 - Thu, Aug 14
BUF
Buffalo Niagara Intl.
EWR
Newark Liberty Intl. Airport
$113 Roundtrip, found 12 hours ago
$113
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Aug 13 from Buffalo Niagara Intl. to Newark Liberty Intl. Airport, returning Thu, Aug 14, priced at $113 found 12 hours ago
Sat, Oct 4 - Sun, Oct 5
BUF
Buffalo Niagara Intl.
EWR
Newark Liberty Intl. Airport
$134 Roundtrip, found 15 hours ago
$134
Roundtrip
found 15 hours ago
Select United flight, departing Sat, Oct 4 from Buffalo Niagara Intl. to Newark Liberty Intl. Airport, returning Sun, Oct 5, priced at $134 found 15 hours ago
Fri, Aug 8 - Wed, Aug 13
BUF
Buffalo Niagara Intl.
EWR
Newark Liberty Intl. Airport
$136 Roundtrip, found 6 hours ago
$136
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Aug 8 from Buffalo Niagara Intl. to Newark Liberty Intl. Airport, returning Wed, Aug 13, priced at $136 found 6 hours ago
Tue, Oct 7 - Tue, Oct 21
BUF
Buffalo Niagara Intl.
EWR
Newark Liberty Intl. Airport
$137 Roundtrip, found 3 days ago
$137
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 7 from Buffalo Niagara Intl. to Newark Liberty Intl. Airport, returning Tue, Oct 21, priced at $137 found 3 days ago
Fri, Sep 26 - Sun, Sep 28
BUF
Buffalo Niagara Intl.
EWR
Newark Liberty Intl. Airport
$157 Roundtrip, found 7 hours ago
$157
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Sep 26 from Buffalo Niagara Intl. to Newark Liberty Intl. Airport, returning Sun, Sep 28, priced at $157 found 7 hours ago
Thu, Aug 7 - Sun, Aug 10
BUF
Buffalo Niagara Intl.
EWR
Newark Liberty Intl. Airport
$159 Roundtrip, found 2 days ago
$159
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 7 from Buffalo Niagara Intl. to Newark Liberty Intl. Airport, returning Sun, Aug 10, priced at $159 found 2 days ago
Sat, Aug 2 - Fri, Aug 8
BUF
Buffalo Niagara Intl.
EWR
Newark Liberty Intl. Airport
$159 Roundtrip, found 6 days ago
$159
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 2 from Buffalo Niagara Intl. to Newark Liberty Intl. Airport, returning Fri, Aug 8, priced at $159 found 6 days ago
Tue, Oct 7 - Tue, Oct 21
BUF
Buffalo Niagara Intl.
EWR
Newark Liberty Intl. Airport
$170 Roundtrip, found 3 days ago
$170
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 7 from Buffalo Niagara Intl. to Newark Liberty Intl. Airport, returning Tue, Oct 21, priced at $170 found 3 days ago
Mon, Aug 11 - Tue, Aug 12
BUF
Buffalo Niagara Intl.
EWR
Newark Liberty Intl. Airport
$174 Roundtrip, found 1 day ago
$174
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 11 from Buffalo Niagara Intl. to Newark Liberty Intl. Airport, returning Tue, Aug 12, priced at $174 found 1 day ago
Wed, Aug 13 - Thu, Aug 14
BUF
Buffalo Niagara Intl.
EWR
Newark Liberty Intl. Airport
$174 Roundtrip, found 12 hours ago
$174
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Aug 13 from Buffalo Niagara Intl. to Newark Liberty Intl. Airport, returning Thu, Aug 14, priced at $174 found 12 hours ago

Frequently asked questions

What route does flight number UA3515 take?
UA3515 is used on a range of routes. Mostly, UA3515 flies straight from Chicago, IL Airport (ORD-O'Hare Intl.) to Madison, WI Airport (MSN-Dane County Regional). If you have a ticket on this route, you'll be flying for roughly 52 minutes.
What terminal does UA3515 fly out of?
UA3515 flights out of O'Hare Airport typically head off from Terminal 2. This flight number runs on multiple routes, but the most popular one is O'Hare Airport to Dane County Regional Airport (MSN).
What kind of plane is on flight number UA3515?
Chances are you'll be cruising aboard an Embraer 170 if you've reserved a ticket on flight number UA3515 from Chicago, IL Airport (ORD-O'Hare Intl.) to Truax Field. This is the most commonly used aircraft model on this particular 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 UA3515 flight with Travelocity, please visit our Customer Service Portal.