United Flight 3400 Deals & Information (2026/2027)

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United Flight 3400 Route Deals From $84

The cheapest prices found with in the last 7 days for return flights were $202 and $84 for one-way flights to Pearson Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 3 - Mon, Dec 7
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$202 Roundtrip, found 15 hours ago
$202
Roundtrip
found 15 hours ago
Select United flight, departing Thu, Dec 3 from Newark Liberty Intl. Airport to Pearson Intl., returning Mon, Dec 7, priced at $202 found 15 hours ago
Thu, Aug 13 - Wed, Aug 19
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$210 Roundtrip, found 20 hours ago
$210
Roundtrip
found 20 hours ago
Select United flight, departing Thu, Aug 13 from Newark Liberty Intl. Airport to Pearson Intl., returning Wed, Aug 19, priced at $210 found 20 hours ago
Thu, Dec 3 - Mon, Dec 7
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$212 Roundtrip, found 15 hours ago
$212
Roundtrip
found 15 hours ago
Select United flight, departing Thu, Dec 3 from Newark Liberty Intl. Airport to Pearson Intl., returning Mon, Dec 7, priced at $212 found 15 hours ago
Tue, Apr 28 - Fri, May 1
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$216 Roundtrip, found 1 day ago
$216
Roundtrip
found 1 day ago
Select United flight, departing Tue, Apr 28 from Newark Liberty Intl. Airport to Pearson Intl., returning Fri, May 1, priced at $216 found 1 day ago
Sun, Oct 18 - Mon, Oct 19
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$251 Roundtrip, found 2 hours ago
$251
Roundtrip
found 2 hours ago
Select United flight, departing Sun, Oct 18 from Newark Liberty Intl. Airport to Pearson Intl., returning Mon, Oct 19, priced at $251 found 2 hours ago
Sun, Oct 18 - Mon, Oct 19
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$253 Roundtrip, found 2 hours ago
$253
Roundtrip
found 2 hours ago
Select United flight, departing Sun, Oct 18 from Newark Liberty Intl. Airport to Pearson Intl., returning Mon, Oct 19, priced at $253 found 2 hours ago
Fri, Jun 12 - Sat, Jun 13
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$255 Roundtrip, found 1 hour ago
$255
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Jun 12 from Newark Liberty Intl. Airport to Pearson Intl., returning Sat, Jun 13, priced at $255 found 1 hour ago

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.