United Flight 3400 Deals & Information (2026/2027)

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United Flight 3400 Route Deals From $161

The cheapest prices found with in the last 7 days for return flights were $303 and $161 for one-way flights to Pearson Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 13 - Mon, Aug 17
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$303 Roundtrip, found 1 hour ago
$303
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Aug 13 from Newark Liberty Intl. Airport to Pearson Intl., returning Mon, Aug 17, priced at $303 found 1 hour ago
Sat, Aug 1 - Wed, Aug 5
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$303 Roundtrip, found 13 hours ago
$303
Roundtrip
found 13 hours ago
Select United flight, departing Sat, Aug 1 from Newark Liberty Intl. Airport to Pearson Intl., returning Wed, Aug 5, priced at $303 found 13 hours ago
Thu, Aug 13 - Mon, Aug 17
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$323 Roundtrip, found 1 hour ago
$323
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Aug 13 from Newark Liberty Intl. Airport to Pearson Intl., returning Mon, Aug 17, priced at $323 found 1 hour ago
Thu, May 28 - Mon, Jun 8
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$340 Roundtrip, found 3 hours ago
$340
Roundtrip
found 3 hours ago
Select United flight, departing Thu, May 28 from Newark Liberty Intl. Airport to Pearson Intl., returning Mon, Jun 8, priced at $340 found 3 hours ago
Fri, Aug 14 - Tue, Aug 18
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$352 Roundtrip, found 4 hours ago
$352
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Aug 14 from Newark Liberty Intl. Airport to Pearson Intl., returning Tue, Aug 18, priced at $352 found 4 hours ago
Fri, Jun 19 - Mon, Jun 22
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$361 Roundtrip, just found
$361
Roundtrip
just found
Select United flight, departing Fri, Jun 19 from Newark Liberty Intl. Airport to Pearson Intl., returning Mon, Jun 22, priced at $361 just found

Frequently asked questions

What route does flight number UA3400 take?
UA3400 flies direct from Bradley Intl. Airport (BDL) to ORD in roughly 2 hours and 35 minutes. It can be used on other routes though, some of which could be multi-stop flights. Keep this in mind when booking your airfare to avoid any confusion.
What kind of plane is on flight number UA3400?
If you're considering booking flight UA3400 from Hartford, CT Airport (BDL-Bradley Intl.) to O'Hare Airport, you're likely to be jetting off on the Embraer 175. This flight number serves several routes, but this is the most popular.
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 UA3400 flight with Travelocity, please visit our Customer Service Portal.