United Flight 3640 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 3640 Route Deals From $165

The cheapest prices found with in the last 7 days for return flights were $317 and $165 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 4 days ago
$317
Roundtrip
found 4 days ago
Select United flight, departing Wed, Dec 9 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Dec 14, priced at $317 found 4 days ago
Thu, Sep 3 - Sat, Sep 5
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$322 Roundtrip, found 3 days ago
$322
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Sep 5, priced at $322 found 3 days ago
Thu, Dec 10 - Thu, Dec 17
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$346 Roundtrip, found 4 days ago
$346
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 10 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Dec 17, priced at $346 found 4 days ago
Wed, Dec 9 - Mon, Dec 14
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$360 Roundtrip, found 4 days ago
$360
Roundtrip
found 4 days ago
Select United flight, departing Wed, Dec 9 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Dec 14, priced at $360 found 4 days ago
Thu, Nov 12 - Wed, Nov 18
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$366 Roundtrip, found 6 days ago
$366
Roundtrip
found 6 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 6 days ago
Thu, Sep 3 - Sat, Sep 5
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$367 Roundtrip, found 3 days ago
$367
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Sep 5, priced at $367 found 3 days ago
Wed, Dec 9 - Mon, Dec 14
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$382 Roundtrip, found 4 days ago
$382
Roundtrip
found 4 days ago
Select United flight, departing Wed, Dec 9 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Dec 14, priced at $382 found 4 days ago
Thu, Dec 24 - Wed, Dec 30
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$395 Roundtrip, found 7 hours ago
$395
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Dec 24 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Dec 30, priced at $395 found 7 hours ago
Thu, Dec 24 - Wed, Dec 30
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$405 Roundtrip, found 7 hours ago
$405
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Dec 24 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Dec 30, priced at $405 found 7 hours ago
Tue, Aug 25 - Thu, Aug 27
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$414 Roundtrip, found 15 hours ago
$414
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Aug 25 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Aug 27, priced at $414 found 15 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.