United Flight 3629 Deals & Information (2026/2027)

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United Flight 3629 Route Deals From $204

The cheapest prices found with in the last 7 days for return flights were $411 and $204 for one-way flights to Macdonald-Cartier Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 30 - Thu, Dec 3
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$411 Roundtrip, found 2 days ago
$411
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 30 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Thu, Dec 3, priced at $411 found 2 days ago
Mon, Nov 30 - Thu, Dec 3
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$451 Roundtrip, found 2 days ago
$451
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 30 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Thu, Dec 3, priced at $451 found 2 days ago
Mon, Nov 30 - Thu, Dec 3
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$458 Roundtrip, found 2 days ago
$458
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 30 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Thu, Dec 3, priced at $458 found 2 days ago
Mon, Nov 30 - Thu, Dec 3
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$460 Roundtrip, found 2 days ago
$460
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 30 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Thu, Dec 3, priced at $460 found 2 days ago
Mon, Nov 30 - Thu, Dec 3
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$464 Roundtrip, found 2 days ago
$464
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 30 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Thu, Dec 3, priced at $464 found 2 days ago
Mon, Nov 30 - Thu, Dec 3
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$471 Roundtrip, found 2 days ago
$471
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 30 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Thu, Dec 3, priced at $471 found 2 days ago
Mon, Nov 30 - Thu, Dec 3
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$475 Roundtrip, found 2 days ago
$475
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 30 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Thu, Dec 3, priced at $475 found 2 days ago
Mon, Nov 30 - Thu, Dec 3
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$502 Roundtrip, found 2 days ago
$502
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 30 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Thu, Dec 3, priced at $502 found 2 days 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.