United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $160

The cheapest prices found with in the last 7 days for return flights were $340 and $160 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 11 hours ago
$340
Roundtrip
found 11 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 11 hours ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$365 Roundtrip, found 11 hours ago
$365
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $365 found 11 hours ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$375 Roundtrip, found 11 hours ago
$375
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $375 found 11 hours ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$395 Roundtrip, found 11 hours ago
$395
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $395 found 11 hours ago
Wed, Aug 26 - Sun, Aug 30
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$397 Roundtrip, found 6 hours ago
$397
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Aug 26 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sun, Aug 30, priced at $397 found 6 hours ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$410 Roundtrip, found 11 hours ago
$410
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $410 found 11 hours ago
Sun, Sep 20 - Tue, Sep 22
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$422 Roundtrip, found 8 hours ago
$422
Roundtrip
found 8 hours ago
Select United flight, departing Sun, Sep 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Sep 22, priced at $422 found 8 hours ago
Thu, Oct 22 - Mon, Oct 26
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$426 Roundtrip, found 6 hours ago
$426
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Oct 22 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Oct 26, priced at $426 found 6 hours ago
Wed, Aug 26 - Sun, Aug 30
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$428 Roundtrip, found 6 hours ago
$428
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Aug 26 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sun, Aug 30, priced at $428 found 6 hours ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$430 Roundtrip, found 11 hours ago
$430
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $430 found 11 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.