United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $217

The cheapest prices found with in the last 7 days for return flights were $413 and $217 for one-way flights to Albuquerque Intl. Sunport for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 9 - Wed, Sep 23
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$413 Roundtrip, found 19 hours ago
$413
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Sep 9 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Sep 23, priced at $413 found 19 hours ago
Tue, Jun 16 - Tue, Jun 23
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$423 Roundtrip, found 1 day ago
$423
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 16 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Jun 23, priced at $423 found 1 day ago
Tue, Aug 4 - Mon, Aug 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$426 Roundtrip, found 1 day ago
$426
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 4 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 10, priced at $426 found 1 day ago
Tue, Jul 7 - Wed, Jul 15
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$441 Roundtrip, found 3 days ago
$441
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jul 7 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Jul 15, priced at $441 found 3 days ago
Sat, Sep 26 - Tue, Sep 29
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$441 Roundtrip, found 4 days ago
$441
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 26 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Sep 29, priced at $441 found 4 days ago
Sat, Sep 26 - Tue, Sep 29
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$443 Roundtrip, found 4 days ago
$443
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 26 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Sep 29, priced at $443 found 4 days ago
Thu, Oct 15 - Mon, Oct 19
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$445 Roundtrip, found 2 days ago
$445
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 15 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Oct 19, priced at $445 found 2 days ago
Sat, Sep 26 - Tue, Sep 29
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$448 Roundtrip, found 4 days ago
$448
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 26 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Sep 29, priced at $448 found 4 days ago
Tue, Jun 16 - Tue, Jun 23
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$448 Roundtrip, found 1 day ago
$448
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 16 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Jun 23, priced at $448 found 1 day ago
Wed, Sep 23 - Sun, Sep 27
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$451 Roundtrip, found 2 hours ago
$451
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Sep 23 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sun, Sep 27, priced at $451 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.