United Flight 3431 Deals & Information (2026/2027)

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United Flight 3431 Route Deals From $128

The cheapest prices found with in the last 7 days for return flights were $280 and $128 for one-way flights to Pearson Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jul 12 - Sat, Jul 18
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$280 Roundtrip, found 6 hours ago
$280
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Jul 12 from Washington Dulles Intl. to Pearson Intl., returning Sat, Jul 18, priced at $280 found 6 hours ago
Tue, Oct 13 - Fri, Oct 30
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$293 Roundtrip, found 1 day ago
$293
Roundtrip
found 1 day ago
Select United flight, departing Tue, Oct 13 from Washington Dulles Intl. to Pearson Intl., returning Fri, Oct 30, priced at $293 found 1 day ago
Sun, Jul 12 - Sat, Jul 18
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$321 Roundtrip, found 6 hours ago
$321
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Jul 12 from Washington Dulles Intl. to Pearson Intl., returning Sat, Jul 18, priced at $321 found 6 hours ago
Tue, Oct 13 - Fri, Oct 30
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select United flight, departing Tue, Oct 13 from Washington Dulles Intl. to Pearson Intl., returning Fri, Oct 30, priced at $323 found 1 day ago
Fri, Aug 7 - Wed, Aug 12
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$323 Roundtrip, found 18 hours ago
$323
Roundtrip
found 18 hours ago
Select United flight, departing Fri, Aug 7 from Washington Dulles Intl. to Pearson Intl., returning Wed, Aug 12, priced at $323 found 18 hours ago
Sun, Jul 12 - Sat, Jul 18
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$327 Roundtrip, found 6 hours ago
$327
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Jul 12 from Washington Dulles Intl. to Pearson Intl., returning Sat, Jul 18, priced at $327 found 6 hours ago
Sun, Aug 2 - Sat, Aug 8
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$330 Roundtrip, found 1 day ago
$330
Roundtrip
found 1 day ago
Select United flight, departing Sun, Aug 2 from Washington Dulles Intl. to Pearson Intl., returning Sat, Aug 8, priced at $330 found 1 day ago
Tue, Oct 13 - Fri, Oct 30
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$340 Roundtrip, found 1 day ago
$340
Roundtrip
found 1 day ago
Select United flight, departing Tue, Oct 13 from Washington Dulles Intl. to Pearson Intl., returning Fri, Oct 30, priced at $340 found 1 day ago
Fri, Aug 7 - Wed, Aug 12
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$351 Roundtrip, found 18 hours ago
$351
Roundtrip
found 18 hours ago
Select United flight, departing Fri, Aug 7 from Washington Dulles Intl. to Pearson Intl., returning Wed, Aug 12, priced at $351 found 18 hours ago
Sun, Jul 12 - Sat, Jul 18
IAD
Washington Dulles Intl.
YYZ
Pearson Intl.
$351 Roundtrip, found 6 hours ago
$351
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Jul 12 from Washington Dulles Intl. to Pearson Intl., returning Sat, Jul 18, priced at $351 found 6 hours ago

Frequently asked questions

What route does flight number UA3431 take?
UA3431 flies directly between Liberty Intl. Airport (EWR) and Nashville International Airport in approximately 2 hours and 29 minutes. It can be used on other routes though, some of which could be multi-stop trips. Keep an eye out for this when locking in your airfare to avoid any confusion.
What terminal does UA3431 fly out of?
You'll likely leave from Terminal C if you're booked on a flight out of Liberty Intl. Airport (EWR). UA3431 serves a number of routes, but the direct flight between EWR and Nashville Intl. Airport (BNA) is the most popular one.
What kind of plane is on flight number UA3431?
It's more than likely you'll be boarding the Embraer 175 if you've booked a fare on flight UA3431 from Newark Airport to BNA. This is the most commonly used type of plane 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 UA3431 flight with Travelocity, please visit our Customer Service Portal.