United Flight AC3574 Deals & Information (2025/2026)

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United Flight 3574 Route Deals From $215

The cheapest prices found with in the last 7 days for return flights were $302 and $215 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 26 - Fri, Aug 29
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$302 Roundtrip, found 1 day ago
$302
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 26 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $302 found 1 day ago
Tue, Aug 26 - Fri, Aug 29
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$312 Roundtrip, found 1 day ago
$312
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 26 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $312 found 1 day ago
Fri, Oct 10 - Mon, Oct 20
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$312 Roundtrip, found 12 hours ago
$312
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Oct 10 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Mon, Oct 20, priced at $312 found 12 hours ago
Sun, Sep 21 - Thu, Sep 25
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$328 Roundtrip, found 1 day ago
$328
Roundtrip
found 1 day ago
Select United flight, departing Sun, Sep 21 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Thu, Sep 25, priced at $328 found 1 day ago
Wed, Aug 20 - Mon, Aug 25
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$335 Roundtrip, found 9 hours ago
$335
Roundtrip
found 9 hours ago
Select United flight, departing Wed, Aug 20 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Mon, Aug 25, priced at $335 found 9 hours ago
Sun, Sep 21 - Thu, Sep 25
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$337 Roundtrip, found 1 day ago
$337
Roundtrip
found 1 day ago
Select United flight, departing Sun, Sep 21 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Thu, Sep 25, priced at $337 found 1 day ago
Tue, Aug 26 - Fri, Aug 29
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 Tue, Aug 26 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 29, priced at $339 found 1 day ago
Sun, Sep 21 - Thu, Sep 25
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$343 Roundtrip, found 1 day ago
$343
Roundtrip
found 1 day ago
Select United flight, departing Sun, Sep 21 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Thu, Sep 25, priced at $343 found 1 day ago
Mon, Oct 20 - Tue, Oct 21
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$343 Roundtrip, found 12 hours ago
$343
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Oct 20 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Tue, Oct 21, priced at $343 found 12 hours ago
Wed, Aug 20 - Mon, Aug 25
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$345 Roundtrip, found 9 hours ago
$345
Roundtrip
found 9 hours ago
Select United flight, departing Wed, Aug 20 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Mon, Aug 25, priced at $345 found 9 hours ago
Sat, Aug 16 - Fri, Aug 22
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$370 Roundtrip, found 5 hours ago
$370
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Aug 16 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 22, priced at $370 found 5 hours ago
Wed, Aug 20 - Mon, Aug 25
IAD
Washington Dulles Intl.
YUL
Pierre Elliott Trudeau Intl.
$373 Roundtrip, found 9 hours ago
$373
Roundtrip
found 9 hours ago
Select United flight, departing Wed, Aug 20 from Washington Dulles Intl. to Pierre Elliott Trudeau Intl., returning Mon, Aug 25, priced at $373 found 9 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.