United Flight 3646 Deals & Information (2026/2027)

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United Flight 3646 Route Deals From $121

The cheapest prices found with in the last 7 days for return flights were $182 and $121 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Mar 19 - Sat, Mar 21
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$182 Roundtrip, found 5 days ago
$182
Roundtrip
found 5 days ago
Select United flight, departing Thu, Mar 19 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Mar 21, priced at $182 found 5 days ago
Thu, Mar 19 - Sat, Mar 21
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$201 Roundtrip, found 5 days ago
$201
Roundtrip
found 5 days ago
Select United flight, departing Thu, Mar 19 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Mar 21, priced at $201 found 5 days ago
Tue, Mar 24 - Wed, Mar 25
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$206 Roundtrip, found 1 day ago
$206
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 24 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, Mar 25, priced at $206 found 1 day ago
Mon, Apr 20 - Tue, Apr 21
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$210 Roundtrip, found 2 days ago
$210
Roundtrip
found 2 days ago
Select United flight, departing Mon, Apr 20 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Apr 21, priced at $210 found 2 days ago
Mon, Apr 20 - Tue, Apr 21
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$212 Roundtrip, found 2 days ago
$212
Roundtrip
found 2 days ago
Select United flight, departing Mon, Apr 20 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Apr 21, priced at $212 found 2 days ago
Tue, Mar 24 - Thu, Mar 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$213 Roundtrip, found 14 hours ago
$213
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Mar 24 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Mar 26, priced at $213 found 14 hours ago
Tue, Jul 7 - Wed, Jul 22
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$235 Roundtrip, found 3 hours ago
$235
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jul 7 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, Jul 22, priced at $235 found 3 hours 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.