United Flight 3400 Deals & Information (2025/2026)

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United Flight 3400 Route Deals From $79

The cheapest prices found with in the last 7 days for return flights were $189 and $79 for one-way flights to Pearson Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 16 - Wed, Jul 23
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$189 Roundtrip, just found
$189
Roundtrip
just found
Select United flight, departing Wed, Jul 16 from Newark Liberty Intl. Airport to Pearson Intl., returning Wed, Jul 23, priced at $189 just found
Wed, Jul 16 - Wed, Jul 23
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$209 Roundtrip, just found
$209
Roundtrip
just found
Select United flight, departing Wed, Jul 16 from Newark Liberty Intl. Airport to Pearson Intl., returning Wed, Jul 23, priced at $209 just found
Wed, Jul 16 - Wed, Jul 23
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$219 Roundtrip, just found
$219
Roundtrip
just found
Select United flight, departing Wed, Jul 16 from Newark Liberty Intl. Airport to Pearson Intl., returning Wed, Jul 23, priced at $219 just found
Tue, Aug 26 - Thu, Aug 28
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$221 Roundtrip, found 23 hours ago
$221
Roundtrip
found 23 hours ago
Select United flight, departing Tue, Aug 26 from Newark Liberty Intl. Airport to Pearson Intl., returning Thu, Aug 28, priced at $221 found 23 hours ago
Wed, Jul 30 - Mon, Aug 4
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$222 Roundtrip, found 16 hours ago
$222
Roundtrip
found 16 hours ago
Select United flight, departing Wed, Jul 30 from Newark Liberty Intl. Airport to Pearson Intl., returning Mon, Aug 4, priced at $222 found 16 hours ago
Wed, Jul 16 - Wed, Jul 23
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$232 Roundtrip, just found
$232
Roundtrip
just found
Select United flight, departing Wed, Jul 16 from Newark Liberty Intl. Airport to Pearson Intl., returning Wed, Jul 23, priced at $232 just found
Wed, Jul 30 - Mon, Aug 4
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$232 Roundtrip, found 16 hours ago
$232
Roundtrip
found 16 hours ago
Select United flight, departing Wed, Jul 30 from Newark Liberty Intl. Airport to Pearson Intl., returning Mon, Aug 4, priced at $232 found 16 hours ago
Fri, Jul 11 - Sat, Jul 12
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$235 Roundtrip, found 2 hours ago
$235
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Jul 11 from Newark Liberty Intl. Airport to Pearson Intl., returning Sat, Jul 12, priced at $235 found 2 hours ago
Wed, Jul 16 - Wed, Jul 23
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$238 Roundtrip, just found
$238
Roundtrip
just found
Select United flight, departing Wed, Jul 16 from Newark Liberty Intl. Airport to Pearson Intl., returning Wed, Jul 23, priced at $238 just found
Tue, Jul 8 - Tue, Jul 29
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$240 Roundtrip, found 3 days ago
$240
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jul 8 from Newark Liberty Intl. Airport to Pearson Intl., returning Tue, Jul 29, priced at $240 found 3 days ago
Wed, Jul 16 - Wed, Jul 23
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$244 Roundtrip, just found
$244
Roundtrip
just found
Select United flight, departing Wed, Jul 16 from Newark Liberty Intl. Airport to Pearson Intl., returning Wed, Jul 23, priced at $244 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.