United Flight 3665 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 3665 Route Deals From $209

The cheapest prices found with in the last 7 days for return flights were $179 and $209 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 18 - Sun, Jun 21
ORF
Norfolk Intl.
EWR
Newark Liberty Intl. Airport
$179 Roundtrip, found 18 hours ago
$179
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Jun 18 from Norfolk Intl. to Newark Liberty Intl. Airport, returning Sun, Jun 21, priced at $179 found 18 hours ago
Wed, Mar 11 - Sun, Mar 15
ORF
Norfolk Intl.
EWR
Newark Liberty Intl. Airport
$184 Roundtrip, found 1 day ago
$184
Roundtrip
found 1 day ago
Select United flight, departing Wed, Mar 11 from Norfolk Intl. to Newark Liberty Intl. Airport, returning Sun, Mar 15, priced at $184 found 1 day ago
Thu, May 14 - Mon, May 18
ORF
Norfolk Intl.
EWR
Newark Liberty Intl. Airport
$189 Roundtrip, found 9 hours ago
$189
Roundtrip
found 9 hours ago
Select United flight, departing Thu, May 14 from Norfolk Intl. to Newark Liberty Intl. Airport, returning Mon, May 18, priced at $189 found 9 hours ago
Wed, Feb 4 - Sun, Feb 8
ORF
Norfolk Intl.
EWR
Newark Liberty Intl. Airport
$191 Roundtrip, found 4 days ago
$191
Roundtrip
found 4 days ago
Select United flight, departing Wed, Feb 4 from Norfolk Intl. to Newark Liberty Intl. Airport, returning Sun, Feb 8, priced at $191 found 4 days ago
Thu, May 14 - Mon, May 18
ORF
Norfolk Intl.
EWR
Newark Liberty Intl. Airport
$192 Roundtrip, found 9 hours ago
$192
Roundtrip
found 9 hours ago
Select United flight, departing Thu, May 14 from Norfolk Intl. to Newark Liberty Intl. Airport, returning Mon, May 18, priced at $192 found 9 hours ago
Sat, Feb 14 - Mon, Feb 16
ORF
Norfolk Intl.
EWR
Newark Liberty Intl. Airport
$193 Roundtrip, found 2 days ago
$193
Roundtrip
found 2 days ago
Select United flight, departing Sat, Feb 14 from Norfolk Intl. to Newark Liberty Intl. Airport, returning Mon, Feb 16, priced at $193 found 2 days ago
Thu, Jun 4 - Tue, Jun 9
ORF
Norfolk Intl.
EWR
Newark Liberty Intl. Airport
$194 Roundtrip, found 4 days ago
$194
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jun 4 from Norfolk Intl. to Newark Liberty Intl. Airport, returning Tue, Jun 9, priced at $194 found 4 days ago
Thu, May 14 - Mon, May 18
ORF
Norfolk Intl.
EWR
Newark Liberty Intl. Airport
$202 Roundtrip, found 9 hours ago
$202
Roundtrip
found 9 hours ago
Select United flight, departing Thu, May 14 from Norfolk Intl. to Newark Liberty Intl. Airport, returning Mon, May 18, priced at $202 found 9 hours ago

Frequently asked questions

What route does flight number UA3665 take?
UA3665 is used on a range of routes. Most commonly, UA3665 flies direct from ORD to Kansas City, MO Airport (MCI-Kansas City Intl.). If that's your flight path, you'll be flying for around 1 hour and 41 minutes.
What terminal does UA3665 fly out of?
Terminal 2 is the terminal you'll likely take off from if you're booked on a flight from O'Hare Airport. ORD to Kansas City, MO Airport (MCI-Kansas City Intl.) is the most commonly traveled route for flight number UA3665.
What kind of plane is on flight number UA3665?
UA3665 is a flight number that serves several routes. If you're heading off on the most popular route, O'Hare Airport to Kansas City, MO Airport (MCI-Kansas City Intl.), there's a good chance you'll be climbing on board an Embraer 170.
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 UA3665 flight with Travelocity, please visit our Customer Service Portal.