United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $137

The cheapest prices found with in the last 7 days for return flights were $267 and $137 for one-way flights to Albuquerque Intl. Sunport for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 20 - Mon, Aug 24
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$267 Roundtrip, found 1 day ago
$267
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $267 found 1 day ago
Thu, Aug 20 - Mon, Aug 24
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$277 Roundtrip, found 1 day ago
$277
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $277 found 1 day ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$281 Roundtrip, found 17 hours ago
$281
Roundtrip
found 17 hours ago
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $281 found 17 hours ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$303 Roundtrip, found 17 hours ago
$303
Roundtrip
found 17 hours ago
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $303 found 17 hours ago
Mon, Aug 17 - Fri, Aug 21
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$307 Roundtrip, found 6 hours ago
$307
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Aug 17 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Fri, Aug 21, priced at $307 found 6 hours ago
Mon, Oct 5 - Thu, Oct 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$310 Roundtrip, found 4 hours ago
$310
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Oct 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Oct 8, priced at $310 found 4 hours ago
Thu, Aug 6 - Mon, Aug 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$312 Roundtrip, found 1 day ago
$312
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 10, priced at $312 found 1 day ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$315 Roundtrip, found 17 hours ago
$315
Roundtrip
found 17 hours ago
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $315 found 17 hours ago
Mon, Oct 5 - Thu, Oct 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$322 Roundtrip, found 4 hours ago
$322
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Oct 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Thu, Oct 8, priced at $322 found 4 hours ago
Thu, Aug 20 - Mon, Aug 24
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $323 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.