United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $196

The cheapest prices found with in the last 7 days for return flights were $375 and $196 for one-way flights to Albuquerque Intl. Sunport for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 20 - Mon, Aug 31
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$375 Roundtrip, found 6 days ago
$375
Roundtrip
found 6 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 6 days ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$396 Roundtrip, found 7 hours ago
$396
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 $396 found 7 hours ago
Sat, Aug 8 - Tue, Aug 18
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$408 Roundtrip, found 13 hours ago
$408
Roundtrip
found 13 hours ago
Select United flight, departing Sat, Aug 8 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Aug 18, priced at $408 found 13 hours ago
Mon, Oct 5 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$409 Roundtrip, found 8 hours ago
$409
Roundtrip
found 8 hours ago
Select United flight, departing Mon, Oct 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $409 found 8 hours ago
Sat, Oct 3 - Wed, Oct 7
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$412 Roundtrip, found 8 hours ago
$412
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Oct 3 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Oct 7, priced at $412 found 8 hours ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$413 Roundtrip, found 7 hours ago
$413
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 $413 found 7 hours ago
Wed, Jul 29 - Sun, Aug 2
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$422 Roundtrip, found 3 days ago
$422
Roundtrip
found 3 days ago
Select United flight, departing Wed, Jul 29 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sun, Aug 2, priced at $422 found 3 days ago
Sat, Aug 8 - Tue, Aug 18
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$424 Roundtrip, found 13 hours ago
$424
Roundtrip
found 13 hours ago
Select United flight, departing Sat, Aug 8 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Aug 18, priced at $424 found 13 hours ago
Sat, Oct 17 - Thu, Oct 29
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$424 Roundtrip, found 3 days ago
$424
Roundtrip
found 3 days ago
Select United flight, departing Sat, Oct 17 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Oct 29, priced at $424 found 3 days ago
Sat, Sep 19 - Sun, Sep 27
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$425 Roundtrip, found 5 hours ago
$425
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Sep 19 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sun, Sep 27, priced at $425 found 5 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.