United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $170

The cheapest prices found with in the last 7 days for return flights were $339 and $170 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 1 day ago
$339
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $339 found 1 day ago
Sat, Oct 3 - Wed, Oct 7
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$368 Roundtrip, found 4 hours ago
$368
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Oct 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Oct 7, priced at $368 found 4 hours ago
Tue, Sep 22 - Wed, Oct 7
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$376 Roundtrip, found 1 day ago
$376
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 22 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Oct 7, priced at $376 found 1 day ago
Sat, Oct 3 - Wed, Oct 7
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$378 Roundtrip, found 4 hours ago
$378
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Oct 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Oct 7, priced at $378 found 4 hours ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$381 Roundtrip, found 1 day ago
$381
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $381 found 1 day ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$384 Roundtrip, found 1 day ago
$384
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $384 found 1 day ago
Thu, Oct 8 - Tue, Oct 13
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$389 Roundtrip, found 1 day ago
$389
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 8 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Oct 13, priced at $389 found 1 day ago
Sat, Oct 3 - Wed, Oct 7
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$390 Roundtrip, found 4 hours ago
$390
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Oct 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Oct 7, priced at $390 found 4 hours ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$391 Roundtrip, found 7 hours ago
$391
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $391 found 7 hours ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$392 Roundtrip, found 7 hours ago
$392
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $392 found 7 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.