United Flight 3646 Deals & Information (2026/2027)

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United Flight 3646 Route Deals From $135

The cheapest prices found with in the last 7 days for return flights were $196 and $135 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 28 - Thu, Jul 30
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$196 Roundtrip, found 5 days ago
$196
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 28 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Jul 30, priced at $196 found 5 days ago
Sat, Oct 17 - Sun, Oct 18
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Oct 18, priced at $249 found 1 day ago
Sat, Oct 17 - Sun, Oct 18
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$265 Roundtrip, found 1 day ago
$265
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Oct 18, priced at $265 found 1 day ago
Tue, Jul 28 - Thu, Jul 30
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$266 Roundtrip, found 5 days ago
$266
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 28 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Jul 30, priced at $266 found 5 days ago
Sat, Jul 11 - Tue, Jul 14
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$269 Roundtrip, found 5 days ago
$269
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jul 11 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jul 14, priced at $269 found 5 days ago

Frequently asked questions

What route does flight number UA3646 take?
Flight number UA3646 takes approximately 3 hours and 37 minutes to fly non-stop from O'Hare Airport to Salt Lake City, UT Airport (SLC-Salt Lake City Intl.). We all know there's magic in the destination, but getting there is half the fun!
What terminal does UA3646 fly out of?
Flight number UA3646 runs between Chicago, IL Airport (ORD-O'Hare Intl.) and Salt Lake City Intl. Airport, and those taking this flight usually board the plane from Terminal 2.
What kind of plane is on flight number UA3646?
The Embraer 175 is the aircraft that's mostly used for flight number UA3646. This flight almost always departs from Chicago, IL Airport (ORD-O'Hare Intl.) and touches down at Salt Lake City, UT Airport (SLC-Salt Lake City Intl.).
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 UA3646 flight with Travelocity, please visit our Customer Service Portal.