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 $137

The cheapest prices found with in the last 7 days for return flights were $347 and $137 for one-way flights to Albuquerque Intl. Sunport for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 11 - Tue, Aug 18
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$347 Roundtrip, found 6 days ago
$347
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 11 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Aug 18, priced at $347 found 6 days ago
Wed, Sep 23 - Sun, Sep 27
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$356 Roundtrip, found 1 hour ago
$356
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 23 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sun, Sep 27, priced at $356 found 1 hour ago
Wed, Sep 23 - Sun, Sep 27
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$366 Roundtrip, found 1 hour ago
$366
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 23 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sun, Sep 27, priced at $366 found 1 hour ago
Tue, Aug 11 - Tue, Aug 18
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$374 Roundtrip, found 6 days ago
$374
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 11 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Aug 18, priced at $374 found 6 days ago
Tue, Aug 11 - Tue, Aug 18
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$377 Roundtrip, found 6 days ago
$377
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 11 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Aug 18, priced at $377 found 6 days ago
Tue, Aug 11 - Tue, Aug 18
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$378 Roundtrip, found 6 days ago
$378
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 11 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Aug 18, priced at $378 found 6 days ago
Tue, Aug 11 - Tue, Aug 18
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$384 Roundtrip, found 6 days ago
$384
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 11 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Aug 18, priced at $384 found 6 days ago
Wed, Sep 23 - Sun, Sep 27
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$385 Roundtrip, found 1 hour ago
$385
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 23 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sun, Sep 27, priced at $385 found 1 hour ago
Tue, Aug 11 - Tue, Aug 18
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$393 Roundtrip, found 6 days ago
$393
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 11 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Aug 18, priced at $393 found 6 days ago
Wed, Sep 23 - Sun, Sep 27
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$395 Roundtrip, found 1 hour ago
$395
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 23 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sun, Sep 27, priced at $395 found 1 hour 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.