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 2 hours ago
$339
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $339 found 2 hours ago
Tue, Aug 11 - Tue, Aug 18
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$347 Roundtrip, found 8 hours ago
$347
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Aug 11 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Aug 18, priced at $347 found 8 hours ago
Wed, Aug 19 - Mon, Aug 24
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$359 Roundtrip, found 5 hours ago
$359
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Aug 19 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $359 found 5 hours ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$368 Roundtrip, found 2 hours ago
$368
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $368 found 2 hours ago
Wed, Aug 19 - Mon, Aug 24
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$369 Roundtrip, found 5 hours ago
$369
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Aug 19 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $369 found 5 hours ago
Wed, Sep 9 - Wed, Sep 23
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$371 Roundtrip, found 1 day ago
$371
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 9 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Sep 23, priced at $371 found 1 day ago
Tue, Aug 11 - Tue, Aug 18
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$377 Roundtrip, found 8 hours ago
$377
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Aug 11 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Aug 18, priced at $377 found 8 hours ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$378 Roundtrip, found 2 hours ago
$378
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $378 found 2 hours ago
Wed, Sep 9 - Wed, Sep 23
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$380 Roundtrip, found 1 day ago
$380
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 9 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Sep 23, priced at $380 found 1 day ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$381 Roundtrip, found 2 hours ago
$381
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $381 found 2 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.