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 $172

The cheapest prices found with in the last 7 days for return flights were $351 and $172 for one-way flights to Albuquerque Intl. Sunport for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 3 - Wed, Sep 9
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$351 Roundtrip, just found
$351
Roundtrip
just found
Select United flight, departing Thu, Sep 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Sep 9, priced at $351 just found
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$374 Roundtrip, found 6 hours ago
$374
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 $374 found 6 hours ago
Mon, Oct 5 - Thu, Oct 15
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$389 Roundtrip, found 4 hours ago
$389
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Oct 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Oct 15, priced at $389 found 4 hours ago
Thu, Sep 3 - Wed, Sep 9
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$396 Roundtrip, just found
$396
Roundtrip
just found
Select United flight, departing Thu, Sep 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Sep 9, priced at $396 just found
Mon, Oct 5 - Thu, Oct 15
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$399 Roundtrip, found 4 hours ago
$399
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Oct 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Oct 15, priced at $399 found 4 hours ago
Thu, Aug 20 - Mon, Aug 31
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$405 Roundtrip, found 16 hours ago
$405
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 31, priced at $405 found 16 hours ago
Thu, Sep 3 - Wed, Sep 9
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$407 Roundtrip, just found
$407
Roundtrip
just found
Select United flight, departing Thu, Sep 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Sep 9, priced at $407 just found
Mon, Oct 5 - Thu, Oct 15
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$408 Roundtrip, found 4 hours ago
$408
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Oct 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Oct 15, priced at $408 found 4 hours ago
Sat, Oct 3 - Thu, Oct 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$409 Roundtrip, found 17 hours ago
$409
Roundtrip
found 17 hours ago
Select United flight, departing Sat, Oct 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Oct 8, priced at $409 found 17 hours ago
Thu, Sep 3 - Wed, Sep 9
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$417 Roundtrip, just found
$417
Roundtrip
just found
Select United flight, departing Thu, Sep 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Sep 9, priced at $417 just found

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.