United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $180

The cheapest prices found with in the last 7 days for return flights were $340 and $180 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
$340 Roundtrip, found 3 days ago
$340
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $340 found 3 days ago
Wed, Aug 26 - Mon, Aug 31
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$365 Roundtrip, found 5 days ago
$365
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 26 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 31, priced at $365 found 5 days ago
Thu, Aug 20 - Mon, Aug 31
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$375 Roundtrip, found 3 days ago
$375
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 31, priced at $375 found 3 days ago
Thu, Aug 6 - Mon, Aug 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$384 Roundtrip, found 3 days ago
$384
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 10, priced at $384 found 3 days ago
Wed, Aug 19 - Sun, Aug 23
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$397 Roundtrip, found 4 days ago
$397
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 19 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sun, Aug 23, priced at $397 found 4 days ago
Thu, Aug 20 - Mon, Aug 24
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$401 Roundtrip, found 4 days ago
$401
Roundtrip
found 4 days ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $401 found 4 days ago
Thu, Aug 6 - Mon, Aug 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$404 Roundtrip, found 3 days ago
$404
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 10, priced at $404 found 3 days ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$409 Roundtrip, found 15 hours ago
$409
Roundtrip
found 15 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $409 found 15 hours ago
Sat, Oct 17 - Thu, Oct 29
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$414 Roundtrip, found 8 hours ago
$414
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Oct 17 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Oct 29, priced at $414 found 8 hours ago
Wed, Jul 29 - Sun, Aug 2
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$422 Roundtrip, found 7 hours ago
$422
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Jul 29 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sun, Aug 2, priced at $422 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.