United Flight 3637 Deals & Information (2026/2027)

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United Flight 3637 Route Deals From $153

The cheapest prices found with in the last 7 days for return flights were $297 and $153 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 16 - Mon, Apr 20
YYZ
Pearson Intl.
IAD
Washington Dulles Intl.
$297 Roundtrip, found 4 days ago
$297
Roundtrip
found 4 days ago
Select United flight, departing Thu, Apr 16 from Pearson Intl. to Washington Dulles Intl., returning Mon, Apr 20, priced at $297 found 4 days ago
Thu, Apr 16 - Mon, Apr 20
YYZ
Pearson Intl.
IAD
Washington Dulles Intl.
$327 Roundtrip, found 4 days ago
$327
Roundtrip
found 4 days ago
Select United flight, departing Thu, Apr 16 from Pearson Intl. to Washington Dulles Intl., returning Mon, Apr 20, priced at $327 found 4 days ago
Thu, Apr 16 - Mon, Apr 20
YYZ
Pearson Intl.
IAD
Washington Dulles Intl.
$337 Roundtrip, found 4 days ago
$337
Roundtrip
found 4 days ago
Select United flight, departing Thu, Apr 16 from Pearson Intl. to Washington Dulles Intl., returning Mon, Apr 20, priced at $337 found 4 days ago
Sun, Apr 19 - Sun, May 17
YYZ
Pearson Intl.
IAD
Washington Dulles Intl.
$351 Roundtrip, found 18 hours ago
$351
Roundtrip
found 18 hours ago
Select United flight, departing Sun, Apr 19 from Pearson Intl. to Washington Dulles Intl., returning Sun, May 17, priced at $351 found 18 hours ago
Sun, Apr 19 - Sun, May 17
YYZ
Pearson Intl.
IAD
Washington Dulles Intl.
$357 Roundtrip, found 18 hours ago
$357
Roundtrip
found 18 hours ago
Select United flight, departing Sun, Apr 19 from Pearson Intl. to Washington Dulles Intl., returning Sun, May 17, priced at $357 found 18 hours ago
Sun, Apr 12 - Sun, Apr 19
YYZ
Pearson Intl.
IAD
Washington Dulles Intl.
$361 Roundtrip, found 5 days ago
$361
Roundtrip
found 5 days ago
Select United flight, departing Sun, Apr 12 from Pearson Intl. to Washington Dulles Intl., returning Sun, Apr 19, priced at $361 found 5 days ago
Sun, Apr 19 - Sun, May 17
YYZ
Pearson Intl.
IAD
Washington Dulles Intl.
$363 Roundtrip, found 18 hours ago
$363
Roundtrip
found 18 hours ago
Select United flight, departing Sun, Apr 19 from Pearson Intl. to Washington Dulles Intl., returning Sun, May 17, priced at $363 found 18 hours ago
Sun, Apr 19 - Sun, May 17
YYZ
Pearson Intl.
IAD
Washington Dulles Intl.
$367 Roundtrip, found 18 hours ago
$367
Roundtrip
found 18 hours ago
Select United flight, departing Sun, Apr 19 from Pearson Intl. to Washington Dulles Intl., returning Sun, May 17, priced at $367 found 18 hours ago
Sun, Apr 19 - Sun, May 17
YYZ
Pearson Intl.
IAD
Washington Dulles Intl.
$368 Roundtrip, found 18 hours ago
$368
Roundtrip
found 18 hours ago
Select United flight, departing Sun, Apr 19 from Pearson Intl. to Washington Dulles Intl., returning Sun, May 17, priced at $368 found 18 hours ago
Thu, Apr 16 - Mon, Apr 20
YYZ
Pearson Intl.
IAD
Washington Dulles Intl.
$371 Roundtrip, found 4 days ago
$371
Roundtrip
found 4 days ago
Select United flight, departing Thu, Apr 16 from Pearson Intl. to Washington Dulles Intl., returning Mon, Apr 20, priced at $371 found 4 days ago

Frequently asked questions

What route does flight number UA3637 take?
UA3637 serves multiple routes, but the most common is between Chicago, IL Airport (ORD-O'Hare Intl.) and SAV. If your flight is direct, you'll disembark the plane in around 2 hours and 9 minutes. Multi-stop flights can also operate under the same number, as can flights on other routes.
What terminal does UA3637 fly out of?
You'll likely board the aircraft from Terminal 2 if you're starting your journey at O'Hare Intl. Airport (ORD). UA3637 serves a number of routes, but the direct flight between Chicago, IL Airport (ORD-O'Hare Intl.) and SAV is the most frequently traveled.
What kind of plane is on flight number UA3637?
UA3637 is a flight number that's used on multiple routes. If you've booked a ticket on the most popular route, O'Hare Airport to Savannah - Hilton Head Intl. Airport (SAV), you're likely to be boarding an 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 UA3637 flight with Travelocity, please visit our Customer Service Portal.