United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $172

The cheapest prices found with in the last 7 days for return flights were $349 and $172 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
$349 Roundtrip, just found
$349
Roundtrip
just found
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $349 just found
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$359 Roundtrip, just found
$359
Roundtrip
just found
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $359 just found
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$368 Roundtrip, just found
$368
Roundtrip
just found
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $368 just found
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$378 Roundtrip, just found
$378
Roundtrip
just found
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $378 just found
Mon, Oct 5 - Thu, Oct 15
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$389 Roundtrip, found 1 day ago
$389
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Oct 15, priced at $389 found 1 day ago
Thu, Sep 3 - Wed, Sep 9
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$396 Roundtrip, found 21 hours ago
$396
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Sep 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Sep 9, priced at $396 found 21 hours ago
Mon, Oct 5 - Thu, Oct 15
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$399 Roundtrip, found 1 day ago
$399
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Oct 15, priced at $399 found 1 day ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$404 Roundtrip, just found
$404
Roundtrip
just found
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $404 just found
Thu, Aug 20 - Mon, Aug 31
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$405 Roundtrip, found 1 day ago
$405
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 31, priced at $405 found 1 day ago
Thu, Sep 3 - Wed, Sep 9
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$407 Roundtrip, found 21 hours ago
$407
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Sep 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Sep 9, priced at $407 found 21 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.