United Flight 3629 Deals & Information (2026/2027)

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United Flight 3629 Route Deals From $188

The cheapest prices found with in the last 7 days for return flights were $387 and $188 for one-way flights to Macdonald-Cartier Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 18 - Sun, Sep 20
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$387 Roundtrip, found 2 days ago
$387
Roundtrip
found 2 days ago
Select United flight, departing Fri, Sep 18 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sun, Sep 20, priced at $387 found 2 days ago
Mon, Oct 19 - Fri, Oct 23
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$395 Roundtrip, found 1 day ago
$395
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 19 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Fri, Oct 23, priced at $395 found 1 day ago
Fri, Sep 18 - Sun, Sep 20
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$402 Roundtrip, found 2 days ago
$402
Roundtrip
found 2 days ago
Select United flight, departing Fri, Sep 18 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sun, Sep 20, priced at $402 found 2 days ago
Mon, Oct 19 - Fri, Oct 23
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$405 Roundtrip, found 1 day ago
$405
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 19 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Fri, Oct 23, priced at $405 found 1 day ago
Sat, Sep 12 - Sun, Sep 13
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$420 Roundtrip, found 3 days ago
$420
Roundtrip
found 3 days ago
Select United flight, departing Sat, Sep 12 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sun, Sep 13, priced at $420 found 3 days ago
Mon, Oct 19 - Fri, Oct 23
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$428 Roundtrip, found 1 day ago
$428
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 19 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Fri, Oct 23, priced at $428 found 1 day ago
Fri, Sep 18 - Sun, Sep 20
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$428 Roundtrip, found 2 days ago
$428
Roundtrip
found 2 days ago
Select United flight, departing Fri, Sep 18 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sun, Sep 20, priced at $428 found 2 days ago
Fri, Sep 18 - Sun, Sep 20
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$434 Roundtrip, found 2 days ago
$434
Roundtrip
found 2 days ago
Select United flight, departing Fri, Sep 18 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sun, Sep 20, priced at $434 found 2 days ago
Mon, Oct 19 - Fri, Oct 23
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$437 Roundtrip, found 1 day ago
$437
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 19 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Fri, Oct 23, priced at $437 found 1 day ago
Mon, Oct 19 - Fri, Oct 23
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$441 Roundtrip, found 1 day ago
$441
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 19 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Fri, Oct 23, priced at $441 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.