United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $185

The cheapest prices found with in the last 7 days for return flights were $363 and $185 for one-way flights to Albuquerque Intl. Sunport for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 9 - Mon, Dec 14
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$363 Roundtrip, found 12 hours ago
$363
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Dec 9 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Dec 14, priced at $363 found 12 hours ago
Mon, Dec 7 - Mon, Dec 14
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$380 Roundtrip, found 12 hours ago
$380
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Dec 7 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Dec 14, priced at $380 found 12 hours ago
Tue, Sep 22 - Sat, Sep 26
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$383 Roundtrip, found 4 days ago
$383
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 22 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Sep 26, priced at $383 found 4 days ago
Thu, Dec 10 - Tue, Dec 15
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$386 Roundtrip, found 12 hours ago
$386
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Dec 10 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Dec 15, priced at $386 found 12 hours ago
Tue, Sep 8 - Wed, Sep 9
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$387 Roundtrip, found 1 day ago
$387
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 8 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Sep 9, priced at $387 found 1 day ago
Wed, Dec 9 - Mon, Dec 14
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$390 Roundtrip, found 12 hours ago
$390
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Dec 9 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Dec 14, priced at $390 found 12 hours ago
Wed, Dec 9 - Mon, Dec 14
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$391 Roundtrip, found 12 hours ago
$391
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Dec 9 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Dec 14, priced at $391 found 12 hours ago
Tue, Sep 8 - Wed, Sep 9
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$392 Roundtrip, found 1 day ago
$392
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 8 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Sep 9, priced at $392 found 1 day ago
Wed, Nov 11 - Sat, Nov 14
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$395 Roundtrip, found 7 hours ago
$395
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Nov 11 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Nov 14, priced at $395 found 7 hours ago
Wed, Sep 23 - Sat, Sep 26
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$397 Roundtrip, found 2 days ago
$397
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 23 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Sep 26, priced at $397 found 2 days 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.