United Flight 3646 Deals & Information (2026/2027)

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United Flight 3646 Route Deals From $113

The cheapest prices found with in the last 7 days for return flights were $242 and $113 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 22 - Thu, Apr 23
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$242 Roundtrip, found 7 hours ago
$242
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Apr 22 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Apr 23, priced at $242 found 7 hours ago
Thu, May 28 - Sun, May 31
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$253 Roundtrip, found 4 days ago
$253
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 28 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, May 31, priced at $253 found 4 days ago
Sat, Apr 11 - Sun, Apr 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$264 Roundtrip, found 1 day ago
$264
Roundtrip
found 1 day ago
Select United flight, departing Sat, Apr 11 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Apr 12, priced at $264 found 1 day ago
Wed, Apr 22 - Thu, Apr 23
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$266 Roundtrip, found 7 hours ago
$266
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Apr 22 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Apr 23, priced at $266 found 7 hours ago
Sat, Jul 4 - Sun, Jul 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$275 Roundtrip, found 4 days ago
$275
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jul 4 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Jul 12, priced at $275 found 4 days ago
Wed, Apr 22 - Thu, Apr 23
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$279 Roundtrip, found 7 hours ago
$279
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Apr 22 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Apr 23, priced at $279 found 7 hours ago
Fri, May 8 - Mon, May 11
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$287 Roundtrip, found 4 days ago
$287
Roundtrip
found 4 days ago
Select United flight, departing Fri, May 8 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, May 11, priced at $287 found 4 days ago
Thu, Apr 16 - Sat, Apr 18
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$306 Roundtrip, found 22 hours ago
$306
Roundtrip
found 22 hours ago
Select United flight, departing Thu, Apr 16 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Apr 18, priced at $306 found 22 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.