United Flight 3646 Deals & Information (2026/2027)

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United Flight 3646 Route Deals From $125

The cheapest prices found with in the last 7 days for return flights were $192 and $125 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 17 - Tue, Jan 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$192 Roundtrip, found 3 days ago
$192
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jan 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jan 20, priced at $192 found 3 days ago
Sat, Jan 17 - Tue, Jan 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$194 Roundtrip, found 3 days ago
$194
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jan 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jan 20, priced at $194 found 3 days ago
Sat, Jan 17 - Tue, Jan 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$218 Roundtrip, found 3 days ago
$218
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jan 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jan 20, priced at $218 found 3 days ago
Sat, Jan 17 - Tue, Jan 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$221 Roundtrip, found 3 days ago
$221
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jan 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jan 20, priced at $221 found 3 days ago
Sat, Jan 17 - Tue, Jan 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$222 Roundtrip, found 3 days ago
$222
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jan 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jan 20, priced at $222 found 3 days ago
Thu, Feb 12 - Sat, Feb 14
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$236 Roundtrip, found 3 days ago
$236
Roundtrip
found 3 days ago
Select United flight, departing Thu, Feb 12 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Feb 14, priced at $236 found 3 days ago
Sat, Jan 17 - Tue, Jan 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$246 Roundtrip, found 3 days ago
$246
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jan 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jan 20, priced at $246 found 3 days ago
Tue, Mar 24 - Thu, Mar 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$247 Roundtrip, found 1 hour ago
$247
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Mar 24 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Mar 26, priced at $247 found 1 hour ago
Sat, Jan 17 - Tue, Jan 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$248 Roundtrip, found 3 days ago
$248
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jan 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jan 20, priced at $248 found 3 days ago
Wed, Mar 25 - Fri, Mar 27
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$250 Roundtrip, found 1 day ago
$250
Roundtrip
found 1 day ago
Select United flight, departing Wed, Mar 25 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Fri, Mar 27, priced at $250 found 1 day 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.