United Flight 3646 Deals & Information (2026/2027)

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United Flight 3646 Route Deals From $94

The cheapest prices found with in the last 7 days for return flights were $186 and $94 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 16 - Mon, Jul 13
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$186 Roundtrip, found 2 days ago
$186
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jun 16 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Jul 13, priced at $186 found 2 days ago
Thu, May 21 - Tue, May 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$190 Roundtrip, found 1 day ago
$190
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 21 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, May 26, priced at $190 found 1 day ago
Thu, Apr 30 - Fri, May 1
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$204 Roundtrip, found 3 days ago
$204
Roundtrip
found 3 days ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Fri, May 1, priced at $204 found 3 days ago
Thu, May 21 - Tue, May 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$210 Roundtrip, found 1 day ago
$210
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 21 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, May 26, priced at $210 found 1 day ago
Thu, Jun 4 - Sun, Jun 7
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$214 Roundtrip, found 16 hours ago
$214
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Jun 4 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Jun 7, priced at $214 found 16 hours ago
Tue, Jun 16 - Mon, Jul 13
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$221 Roundtrip, found 2 days ago
$221
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jun 16 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Jul 13, priced at $221 found 2 days ago
Thu, Jun 4 - Sun, Jun 7
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$242 Roundtrip, found 16 hours ago
$242
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Jun 4 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Jun 7, priced at $242 found 16 hours ago
Thu, Jun 4 - Sun, Jun 7
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$256 Roundtrip, found 16 hours ago
$256
Roundtrip
found 16 hours ago
Select United flight, departing Thu, Jun 4 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Jun 7, priced at $256 found 16 hours ago
Tue, Jun 16 - Mon, Jul 13
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$256 Roundtrip, found 2 days ago
$256
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jun 16 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Jul 13, priced at $256 found 2 days ago
Thu, Apr 30 - Fri, May 1
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$258 Roundtrip, found 3 days ago
$258
Roundtrip
found 3 days ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Fri, May 1, priced at $258 found 3 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.