United Flight 3506 Deals & Information (2025/2026)

Choose two or more items and save on your trip:

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 3506 Route Deals From $123

The cheapest prices found with in the last 7 days for return flights were $259 and $123 for one-way flights to Macdonald-Cartier Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 6 - Thu, May 8
EWR
Newark Liberty Intl. Airport
YOW
Macdonald-Cartier Intl.
$259 Roundtrip, found 3 days ago
$259
Roundtrip
found 3 days ago
Select United flight, departing Tue, May 6 from Newark Liberty Intl. Airport to Macdonald-Cartier Intl., returning Thu, May 8, priced at $259 found 3 days ago
Wed, May 28 - Fri, May 30
EWR
Newark Liberty Intl. Airport
YOW
Macdonald-Cartier Intl.
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 28 from Newark Liberty Intl. Airport to Macdonald-Cartier Intl., returning Fri, May 30, priced at $269 found 1 day ago
Wed, May 7 - Sat, May 10
EWR
Newark Liberty Intl. Airport
YOW
Macdonald-Cartier Intl.
$271 Roundtrip, found 3 days ago
$271
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 7 from Newark Liberty Intl. Airport to Macdonald-Cartier Intl., returning Sat, May 10, priced at $271 found 3 days ago
Sat, May 24 - Sun, May 25
EWR
Newark Liberty Intl. Airport
YOW
Macdonald-Cartier Intl.
$290 Roundtrip, found 1 hour ago
$290
Roundtrip
found 1 hour ago
Select United flight, departing Sat, May 24 from Newark Liberty Intl. Airport to Macdonald-Cartier Intl., returning Sun, May 25, priced at $290 found 1 hour ago

Frequently asked questions

What route does flight number UA3506 take?
UA3506 takes a number of routes. The most popular is between LaGuardia Airport (LGA) and O’Hare Airport, which flies direct. This flight takes about 2 hours and 38 minutes. However, you might find other flights with this number that are multi-stop.
What terminal does UA3506 fly out of?
Terminal B is where you’ll most likely jet off from if you’re booked on a flight from LGA. LGA to O’Hare Airport is the most frequently traveled route for flight number UA3506.
What kind of plane is on flight number UA3506?
If you’re booked on flight UA3506 from LGA to O’Hare Airport, you’re likely to be on board the Embraer 170. This flight number serves multiple 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 UA3506 flight with Travelocity, please visit our Customer Service Portal.