United Flight 3629 Deals & Information (2026/2027)

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United Flight 3629 Route Deals From $176

The cheapest prices found with in the last 7 days for return flights were $365 and $176 for one-way flights to Macdonald-Cartier Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 1 - Sat, Oct 31
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$365 Roundtrip, found 16 hours ago
$365
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Oct 1 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Oct 31, priced at $365 found 16 hours ago
Thu, Dec 10 - Sat, Dec 12
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$374 Roundtrip, found 23 hours ago
$374
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Dec 10 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Dec 12, priced at $374 found 23 hours ago
Thu, Dec 10 - Sat, Dec 12
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$390 Roundtrip, found 23 hours ago
$390
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Dec 10 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Dec 12, priced at $390 found 23 hours ago
Thu, Oct 1 - Sat, Oct 31
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$398 Roundtrip, found 16 hours ago
$398
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Oct 1 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Oct 31, priced at $398 found 16 hours ago
Thu, Oct 1 - Sat, Oct 31
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$400 Roundtrip, found 16 hours ago
$400
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Oct 1 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Oct 31, priced at $400 found 16 hours ago
Thu, Oct 1 - Sat, Oct 31
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$404 Roundtrip, found 16 hours ago
$404
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Oct 1 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Oct 31, priced at $404 found 16 hours ago
Thu, Oct 1 - Sat, Oct 31
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$412 Roundtrip, found 16 hours ago
$412
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Oct 1 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Oct 31, priced at $412 found 16 hours ago
Thu, Dec 10 - Sat, Dec 12
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$414 Roundtrip, found 23 hours ago
$414
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Dec 10 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Dec 12, priced at $414 found 23 hours ago
Thu, Oct 1 - Sat, Oct 31
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$420 Roundtrip, found 16 hours ago
$420
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Oct 1 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Oct 31, priced at $420 found 16 hours ago
Thu, Dec 10 - Sat, Dec 12
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$422 Roundtrip, found 23 hours ago
$422
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Dec 10 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Dec 12, priced at $422 found 23 hours ago

Frequently asked questions

What route does flight number UA3629 take?
UA3629 is used on multiple routes, but the most common is between O'Hare Intl. Airport (ORD) and BGR. If you're lucky enough to score a direct flight, you'll arrive in roughly 2 hours and 40 minutes. Multi-stop flights can also use the same number, as can flights on other routes.
What terminal does UA3629 fly out of?
UA3629 flights from ORD typically take off from Terminal 2. This flight number runs on multiple routes, but the most frequented is ORD to BGR.
What kind of plane is on flight number UA3629?
UA3629 is a flight number that is used on many different routes. If you're booked on the most frequent route, ORD to BGR, you'll probably be on the Embraer 175.
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 UA3629 flight with Travelocity, please visit our Customer Service Portal.