United Flight 3574 Deals & Information (2025/2026)

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United Flight 3574 Route Deals From $137

The cheapest prices found with in the last 7 days for return flights were $308 and $137 for one-way flights to Pierre Elliott Trudeau Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 12 - Mon, Aug 18
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$308 Roundtrip, found 1 hour ago
$308
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Aug 12 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Mon, Aug 18, priced at $308 found 1 hour ago
Tue, Aug 12 - Mon, Aug 18
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$328 Roundtrip, found 1 hour ago
$328
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Aug 12 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Mon, Aug 18, priced at $328 found 1 hour ago
Sat, Aug 30 - Wed, Sep 3
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$330 Roundtrip, found 1 day ago
$330
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 30 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 3, priced at $330 found 1 day ago
Tue, Aug 12 - Mon, Aug 18
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$335 Roundtrip, found 1 hour ago
$335
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Aug 12 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Mon, Aug 18, priced at $335 found 1 hour ago
Sat, Aug 30 - Wed, Sep 3
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$339 Roundtrip, found 1 day ago
$339
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 30 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 3, priced at $339 found 1 day ago
Sat, Aug 30 - Wed, Sep 3
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$344 Roundtrip, found 1 day ago
$344
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 30 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 3, priced at $344 found 1 day ago
Tue, Aug 5 - Tue, Aug 12
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$345 Roundtrip, found 3 hours ago
$345
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Aug 5 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Tue, Aug 12, priced at $345 found 3 hours ago

Frequently asked questions

What route does flight number UA3574 take?
UA3574 takes several routes. The most popular is Newark, NJ Airport (EWR-Liberty Intl.) to HHH, which flies direct. This flight takes roughly 2 hours and 26 minutes. That said, there may be other flights with this number that are multi-stop.
What terminal does UA3574 fly out of?
You'll probably take off from Terminal C if you're flying from Newark, NJ Airport (EWR-Liberty Intl.). Flight number UA3574 serves multiple routes, but the direct flight between Newark Airport and Hilton Head Airport is the most popular.
What kind of plane is on flight number UA3574?
UA3574 is a flight number that's used on a number of different routes. If you have a ticket on its most popular route, EWR to HHH, there's a strong chance you'll be on an Embraer 170.
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 UA3574 flight with Travelocity, please visit our Customer Service Portal.