United Flight 3629 Deals & Information (2026/2027)

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United Flight 3629 Route Deals From $193

The cheapest prices found with in the last 7 days for return flights were $312 and $193 for one-way flights to Macdonald-Cartier Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$312 Roundtrip, found 1 day ago
$312
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $312 found 1 day ago
Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$388 Roundtrip, found 1 day ago
$388
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $388 found 1 day ago
Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$394 Roundtrip, found 1 day ago
$394
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $394 found 1 day ago
Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$404 Roundtrip, found 1 day ago
$404
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $404 found 1 day ago
Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$419 Roundtrip, found 1 day ago
$419
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $419 found 1 day ago
Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$439 Roundtrip, found 1 day ago
$439
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $439 found 1 day ago
Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$441 Roundtrip, found 1 day ago
$441
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $441 found 1 day ago
Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$449 Roundtrip, found 1 day ago
$449
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $449 found 1 day ago
Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$451 Roundtrip, found 1 day ago
$451
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $451 found 1 day ago
Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$454 Roundtrip, found 1 day ago
$454
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $454 found 1 day 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.