United Flight 3515 Deals & Information (2026/2027)

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United Flight 3515 Route Deals From $113

The cheapest prices found with in the last 7 days for return flights were $280 and $113 for one-way flights to Pearson Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Apr 26 - Tue, Apr 28
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$280 Roundtrip, found 3 days ago
$280
Roundtrip
found 3 days ago
Select United flight, departing Sun, Apr 26 from Washington Dulles Intl. to Pearson Intl., returning Tue, Apr 28, priced at $280 found 3 days ago
Tue, May 5 - Thu, May 7
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 5 from Washington Dulles Intl. to Pearson Intl., returning Thu, May 7, priced at $284 found 1 day ago
Fri, May 8 - Sat, May 9
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$288 Roundtrip, found 2 days ago
$288
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 8 from Washington Dulles Intl. to Pearson Intl., returning Sat, May 9, priced at $288 found 2 days ago
Mon, Aug 10 - Wed, Aug 19
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$293 Roundtrip, found 3 days ago
$293
Roundtrip
found 3 days ago
Select United flight, departing Mon, Aug 10 from Washington Dulles Intl. to Pearson Intl., returning Wed, Aug 19, priced at $293 found 3 days ago
Sun, May 24 - Sun, May 31
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$301 Roundtrip, found 4 days ago
$301
Roundtrip
found 4 days ago
Select United flight, departing Sun, May 24 from Washington Dulles Intl. to Pearson Intl., returning Sun, May 31, priced at $301 found 4 days ago
Sun, May 24 - Sun, May 31
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$305 Roundtrip, found 4 days ago
$305
Roundtrip
found 4 days ago
Select United flight, departing Sun, May 24 from Washington Dulles Intl. to Pearson Intl., returning Sun, May 31, priced at $305 found 4 days ago
Mon, Sep 14 - Thu, Sep 17
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$308 Roundtrip, found 6 days ago
$308
Roundtrip
found 6 days ago
Select United flight, departing Mon, Sep 14 from Washington Dulles Intl. to Pearson Intl., returning Thu, Sep 17, priced at $308 found 6 days ago
Mon, Sep 7 - Thu, Sep 10
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$311 Roundtrip, found 1 day ago
$311
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 7 from Washington Dulles Intl. to Pearson Intl., returning Thu, Sep 10, priced at $311 found 1 day ago
Tue, May 5 - Thu, May 7
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$312 Roundtrip, found 1 day ago
$312
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 5 from Washington Dulles Intl. to Pearson Intl., returning Thu, May 7, priced at $312 found 1 day ago
Mon, Sep 14 - Thu, Sep 17
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$313 Roundtrip, found 6 days ago
$313
Roundtrip
found 6 days ago
Select United flight, departing Mon, Sep 14 from Washington Dulles Intl. to Pearson Intl., returning Thu, Sep 17, priced at $313 found 6 days 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.