United Flight UA3646 Deals & Information (2025/2026)

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United Flight 3646 Route Deals From $39

The cheapest prices found with in the last 7 days for return flights were $193 and $39 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 12 - Tue, Nov 18
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$193 Roundtrip, found 2 days ago
$193
Roundtrip
found 2 days ago
Select United flight, departing Wed, Nov 12 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Nov 18, priced at $193 found 2 days ago
Mon, Dec 1 - Tue, Dec 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$234 Roundtrip, found 2 days ago
$234
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 1 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Dec 2, priced at $234 found 2 days ago
Sat, Dec 20 - Sun, Dec 21
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$321 Roundtrip, just found
$321
Roundtrip
just found
Select United flight, departing Sat, Dec 20 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Dec 21, priced at $321 just found
Sat, Dec 20 - Sun, Dec 21
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$343 Roundtrip, just found
$343
Roundtrip
just found
Select United flight, departing Sat, Dec 20 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Dec 21, priced at $343 just found

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.