United Flight 3640 Deals & Information (2026/2027)

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United Flight 3640 Route Deals From $131

The cheapest prices found with in the last 7 days for return flights were $267 and $131 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 4 hours ago
$267
Roundtrip
found 4 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 4 hours ago
Thu, Aug 20 - Mon, Aug 24
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$277 Roundtrip, found 4 hours ago
$277
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 24, priced at $277 found 4 hours ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$281 Roundtrip, just found
$281
Roundtrip
just found
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $281 just found
Wed, Sep 2 - Mon, Sep 7
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$290 Roundtrip, just found
$290
Roundtrip
just found
Select United flight, departing Wed, Sep 2 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Sep 7, priced at $290 just found
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$293 Roundtrip, just found
$293
Roundtrip
just found
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $293 just found
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$303 Roundtrip, just found
$303
Roundtrip
just found
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $303 just found
Wed, Aug 5 - Sat, Aug 8
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$305 Roundtrip, found 1 hour ago
$305
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Aug 8, priced at $305 found 1 hour ago
Thu, Aug 6 - Mon, Aug 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$312 Roundtrip, found 4 hours ago
$312
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Aug 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Aug 10, priced at $312 found 4 hours ago
Tue, Oct 6 - Sat, Oct 10
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$315 Roundtrip, just found
$315
Roundtrip
just found
Select United flight, departing Tue, Oct 6 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Sat, Oct 10, priced at $315 just found
Wed, Sep 2 - Mon, Sep 7
ORD
O'Hare Intl.
ABQ
Albuquerque Intl. Sunport
$322 Roundtrip, just found
$322
Roundtrip
just found
Select United flight, departing Wed, Sep 2 from O'Hare Intl. to Albuquerque Intl. Sunport, returning Mon, Sep 7, priced at $322 just found

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.