United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $163

The cheapest prices found with in the last 7 days for return flights were $340 and $163 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 18 hours ago
$340
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $340 found 18 hours ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$350 Roundtrip, found 18 hours ago
$350
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $350 found 18 hours ago
Wed, Aug 26 - Mon, Aug 31
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$365 Roundtrip, found 2 days ago
$365
Roundtrip
found 2 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 2 days ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$367 Roundtrip, found 18 hours ago
$367
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $367 found 18 hours ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$371 Roundtrip, found 18 hours ago
$371
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $371 found 18 hours ago
Thu, Aug 20 - Mon, Aug 31
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$375 Roundtrip, found 11 hours ago
$375
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 31, priced at $375 found 11 hours ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$377 Roundtrip, found 18 hours ago
$377
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $377 found 18 hours ago
Wed, Sep 23 - Sun, Sep 27
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$378 Roundtrip, found 3 hours ago
$378
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Sep 23 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sun, Sep 27, priced at $378 found 3 hours ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$380 Roundtrip, found 18 hours ago
$380
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $380 found 18 hours ago
Thu, Aug 6 - Mon, Aug 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$384 Roundtrip, found 7 hours ago
$384
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Aug 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 10, priced at $384 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.