United Flight AC3404 Deals & Information (2025/2026)

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United Flight 3404 Route Deals From $120

The cheapest prices found with in the last 7 days for return flights were $179 and $120 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 6 - Thu, Oct 9
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$179 Roundtrip, found 4 days ago
$179
Roundtrip
found 4 days ago
Select United flight, departing Mon, Oct 6 from Pearson Intl. to O'Hare Intl., returning Thu, Oct 9, priced at $179 found 4 days ago
Fri, Jul 25 - Mon, Jul 28
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$190 Roundtrip, found 2 hours ago
$190
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Jul 25 from Pearson Intl. to O'Hare Intl., returning Mon, Jul 28, priced at $190 found 2 hours ago
Fri, Jul 25 - Mon, Jul 28
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$208 Roundtrip, found 2 hours ago
$208
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Jul 25 from Pearson Intl. to O'Hare Intl., returning Mon, Jul 28, priced at $208 found 2 hours ago
Wed, Jul 9 - Thu, Jul 10
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$219 Roundtrip, found 6 days ago
$219
Roundtrip
found 6 days ago
Select United flight, departing Wed, Jul 9 from Pearson Intl. to O'Hare Intl., returning Thu, Jul 10, priced at $219 found 6 days ago
Wed, Jul 9 - Thu, Jul 10
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$226 Roundtrip, found 6 days ago
$226
Roundtrip
found 6 days ago
Select United flight, departing Wed, Jul 9 from Pearson Intl. to O'Hare Intl., returning Thu, Jul 10, priced at $226 found 6 days ago
Mon, Oct 6 - Thu, Oct 9
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$229 Roundtrip, found 4 days ago
$229
Roundtrip
found 4 days ago
Select United flight, departing Mon, Oct 6 from Pearson Intl. to O'Hare Intl., returning Thu, Oct 9, priced at $229 found 4 days ago
Wed, Jul 9 - Thu, Jul 10
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$233 Roundtrip, found 6 days ago
$233
Roundtrip
found 6 days ago
Select United flight, departing Wed, Jul 9 from Pearson Intl. to O'Hare Intl., returning Thu, Jul 10, priced at $233 found 6 days ago
Fri, Jul 25 - Mon, Jul 28
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$249 Roundtrip, found 2 hours ago
$249
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Jul 25 from Pearson Intl. to O'Hare Intl., returning Mon, Jul 28, priced at $249 found 2 hours ago
Fri, Jul 25 - Mon, Jul 28
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$251 Roundtrip, found 2 hours ago
$251
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Jul 25 from Pearson Intl. to O'Hare Intl., returning Mon, Jul 28, priced at $251 found 2 hours ago
Fri, Jul 25 - Mon, Jul 28
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$252 Roundtrip, found 2 hours ago
$252
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Jul 25 from Pearson Intl. to O'Hare Intl., returning Mon, Jul 28, priced at $252 found 2 hours ago

Frequently asked questions

What route does flight number UA3404 take?
UA3404 is used on a range of routes. More commonly, UA3404 flies straight from Charleston Intl. Airport to EWR. If you've booked a seat on this route, you'll be up above the clouds for approximately 2 hours and 3 minutes.
What kind of plane is on flight number UA3404?
It's likely you'll travel aboard the Embraer 170 if you've reserved a ticket on flight number UA3404 from CHS to Newark, NJ Airport (EWR-Liberty Intl.). This is the most commonly used aircraft type on this popular 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 UA3404 flight with Travelocity, please visit our Customer Service Portal.