United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $135

The cheapest prices found with in the last 7 days for return flights were $267 and $135 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 14 hours ago
$267
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $267 found 14 hours ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$281 Roundtrip, found 3 days ago
$281
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $281 found 3 days ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$303 Roundtrip, found 3 days ago
$303
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $303 found 3 days ago
Mon, Aug 10 - Sat, Aug 22
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$307 Roundtrip, found 1 day ago
$307
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 10 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 22, priced at $307 found 1 day ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$315 Roundtrip, found 3 days ago
$315
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $315 found 3 days ago
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$327 Roundtrip, found 13 hours ago
$327
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $327 found 13 hours ago
Tue, Oct 6 - Fri, Oct 9
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$332 Roundtrip, found 3 days ago
$332
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Fri, Oct 9, priced at $332 found 3 days ago
Tue, Oct 13 - Fri, Oct 16
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$333 Roundtrip, found 3 days ago
$333
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 13 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Fri, Oct 16, priced at $333 found 3 days ago
Thu, Aug 20 - Mon, Aug 24
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$335 Roundtrip, found 14 hours ago
$335
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $335 found 14 hours ago
Mon, Aug 10 - Sat, Aug 22
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$337 Roundtrip, found 1 day ago
$337
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 10 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 22, priced at $337 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.