United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $177

The cheapest prices found with in the last 7 days for return flights were $346 and $177 for one-way flights to Albuquerque Intl. Sunport for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 5 - Mon, Nov 9
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$346 Roundtrip, found 6 days ago
$346
Roundtrip
found 6 days ago
Select United flight, departing Thu, Nov 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Nov 9, priced at $346 found 6 days ago
Tue, Sep 1 - Sat, Sep 5
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$352 Roundtrip, found 4 days ago
$352
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 1 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Sep 5, priced at $352 found 4 days ago
Thu, Nov 5 - Mon, Nov 9
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$356 Roundtrip, found 6 days ago
$356
Roundtrip
found 6 days ago
Select United flight, departing Thu, Nov 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Nov 9, priced at $356 found 6 days ago
Thu, Aug 20 - Mon, Aug 24
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$361 Roundtrip, found 2 days ago
$361
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $361 found 2 days ago
Tue, Oct 13 - Wed, Oct 21
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$366 Roundtrip, found 4 days ago
$366
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 13 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Wed, Oct 21, priced at $366 found 4 days ago
Tue, Sep 8 - Tue, Sep 15
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$367 Roundtrip, found 3 days ago
$367
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 8 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Sep 15, priced at $367 found 3 days ago
Sat, Aug 29 - Sat, Sep 5
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$376 Roundtrip, found 2 days ago
$376
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 29 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Sep 5, priced at $376 found 2 days ago
Sat, Dec 12 - Tue, Dec 15
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$379 Roundtrip, found 1 day ago
$379
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 12 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Dec 15, priced at $379 found 1 day ago
Thu, Sep 24 - Mon, Sep 28
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$382 Roundtrip, found 1 day ago
$382
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 24 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Sep 28, priced at $382 found 1 day ago
Sat, Dec 12 - Tue, Dec 15
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$389 Roundtrip, found 1 day ago
$389
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 12 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Tue, Dec 15, priced at $389 found 1 day 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.