United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $204

The cheapest prices found with in the last 7 days for return flights were $239 and $204 for one-way flights to Greater Rochester Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 7 - Mon, Feb 9
IAD
Washington Dulles Intl.
ROC
Greater Rochester Intl.
$239 Roundtrip, found 22 hours ago
$239
Roundtrip
found 22 hours ago
Select United flight, departing Sat, Feb 7 from Washington Dulles Intl. to Greater Rochester Intl., returning Mon, Feb 9, priced at $239 found 22 hours ago
Fri, Feb 6 - Sun, Feb 8
IAD
Washington Dulles Intl.
ROC
Greater Rochester Intl.
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select United flight, departing Fri, Feb 6 from Washington Dulles Intl. to Greater Rochester Intl., returning Sun, Feb 8, priced at $255 found 1 day ago
Fri, Feb 6 - Sun, Feb 8
IAD
Washington Dulles Intl.
ROC
Greater Rochester Intl.
$271 Roundtrip, found 1 day ago
$271
Roundtrip
found 1 day ago
Select United flight, departing Fri, Feb 6 from Washington Dulles Intl. to Greater Rochester Intl., returning Sun, Feb 8, priced at $271 found 1 day ago
Fri, Mar 6 - Sun, Mar 8
IAD
Washington Dulles Intl.
ROC
Greater Rochester Intl.
$294 Roundtrip, found 1 day ago
$294
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 6 from Washington Dulles Intl. to Greater Rochester Intl., returning Sun, Mar 8, priced at $294 found 1 day ago
Fri, Feb 6 - Sun, Feb 8
IAD
Washington Dulles Intl.
ROC
Greater Rochester Intl.
$297 Roundtrip, found 1 day ago
$297
Roundtrip
found 1 day ago
Select United flight, departing Fri, Feb 6 from Washington Dulles Intl. to Greater Rochester Intl., returning Sun, Feb 8, priced at $297 found 1 day ago
Fri, Feb 6 - Sun, Feb 8
IAD
Washington Dulles Intl.
ROC
Greater Rochester Intl.
$307 Roundtrip, found 1 day ago
$307
Roundtrip
found 1 day ago
Select United flight, departing Fri, Feb 6 from Washington Dulles Intl. to Greater Rochester Intl., returning Sun, Feb 8, priced at $307 found 1 day ago
Fri, Feb 6 - Sun, Feb 8
IAD
Washington Dulles Intl.
ROC
Greater Rochester Intl.
$311 Roundtrip, found 1 day ago
$311
Roundtrip
found 1 day ago
Select United flight, departing Fri, Feb 6 from Washington Dulles Intl. to Greater Rochester Intl., returning Sun, Feb 8, priced at $311 found 1 day ago

Frequently asked questions

What route does flight number UA3640 take?
UA3640 travels between O'Hare Intl. Airport (ORD) and Bangor International Airport directly. This trip usually takes 2 hours and 26 minutes.
What terminal does UA3640 fly out of?
UA3640 runs between O'Hare Airport and Bangor International Airport, and passengers traveling on this flight usually jet off from Terminal 2.
What kind of plane is on flight number UA3640?
Get ready to hop on board an Embraer 175 if you've reserved a seat on flight UA3640. Most services from O'Hare Intl. Airport (ORD) to Bangor, ME Airport (BGR-Bangor Intl.) are operated using this kind of plane.
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 UA3640 flight with Travelocity, please visit our Customer Service Portal.