United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $169

The cheapest prices found with in the last 7 days for return flights were $317 and $169 for one-way flights to Albuquerque Intl. Sunport for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 9 - Mon, Dec 14
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$317 Roundtrip, found 10 hours ago
$317
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Dec 9 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Dec 14, priced at $317 found 10 hours ago
Thu, Dec 10 - Thu, Dec 17
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$346 Roundtrip, found 10 hours ago
$346
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Dec 10 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Dec 17, priced at $346 found 10 hours ago
Mon, Dec 7 - Mon, Dec 14
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$355 Roundtrip, found 10 hours ago
$355
Roundtrip
found 10 hours ago
Select United flight, departing Mon, Dec 7 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Dec 14, priced at $355 found 10 hours ago
Wed, Dec 9 - Mon, Dec 14
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$360 Roundtrip, found 10 hours ago
$360
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Dec 9 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Dec 14, priced at $360 found 10 hours ago
Thu, Nov 12 - Wed, Nov 18
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$366 Roundtrip, found 2 days ago
$366
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 12 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Nov 18, priced at $366 found 2 days ago
Wed, Dec 9 - Mon, Dec 14
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$382 Roundtrip, found 10 hours ago
$382
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Dec 9 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Dec 14, priced at $382 found 10 hours ago
Thu, Dec 10 - Thu, Dec 17
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$385 Roundtrip, found 10 hours ago
$385
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Dec 10 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Dec 17, priced at $385 found 10 hours ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$573 Roundtrip, found 8 hours ago
$573
Roundtrip
found 8 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $573 found 8 hours 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.