United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $172

The cheapest prices found with in the last 7 days for return flights were $339 and $172 for one-way flights to Albuquerque Intl. Sunport for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$339 Roundtrip, found 6 hours ago
$339
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $339 found 6 hours ago
Tue, Aug 11 - Tue, Aug 18
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$347 Roundtrip, found 15 hours ago
$347
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Aug 11 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Aug 18, priced at $347 found 15 hours ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$349 Roundtrip, found 1 hour ago
$349
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $349 found 1 hour ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$359 Roundtrip, found 1 hour ago
$359
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $359 found 1 hour ago
Thu, Aug 20 - Mon, Aug 24
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$359 Roundtrip, found 1 day ago
$359
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $359 found 1 day ago
Sat, Oct 3 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$362 Roundtrip, found 3 days ago
$362
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $362 found 3 days ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$368 Roundtrip, found 1 hour ago
$368
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $368 found 1 hour ago
Thu, Aug 20 - Mon, Aug 24
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$369 Roundtrip, found 1 day ago
$369
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $369 found 1 day ago
Thu, Aug 20 - Mon, Aug 24
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$370 Roundtrip, found 1 day ago
$370
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $370 found 1 day ago
Thu, Aug 20 - Mon, Aug 24
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$372 Roundtrip, found 1 day ago
$372
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $372 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.