United Flight 3646 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 3646 Route Deals From $104

The cheapest prices found with in the last 7 days for return flights were $167 and $104 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Mar 28 - Mon, Mar 30
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$167 Roundtrip, found 4 days ago
$167
Roundtrip
found 4 days ago
Select United flight, departing Sat, Mar 28 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Mar 30, priced at $167 found 4 days ago
Fri, May 8 - Tue, May 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$177 Roundtrip, found 2 days ago
$177
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 8 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, May 12, priced at $177 found 2 days ago
Thu, Apr 9 - Sat, Apr 11
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$179 Roundtrip, found 1 day ago
$179
Roundtrip
found 1 day ago
Select United flight, departing Thu, Apr 9 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Apr 11, priced at $179 found 1 day ago
Fri, May 8 - Tue, May 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$202 Roundtrip, found 2 days ago
$202
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 8 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, May 12, priced at $202 found 2 days ago
Fri, May 8 - Tue, May 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$213 Roundtrip, found 2 days ago
$213
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 8 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, May 12, priced at $213 found 2 days ago
Thu, Apr 9 - Sat, Apr 11
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select United flight, departing Thu, Apr 9 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Apr 11, priced at $223 found 1 day ago
Sat, Mar 28 - Mon, Mar 30
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$227 Roundtrip, found 4 days ago
$227
Roundtrip
found 4 days ago
Select United flight, departing Sat, Mar 28 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Mar 30, priced at $227 found 4 days ago
Sun, Apr 12 - Tue, Apr 14
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$233 Roundtrip, found 2 days ago
$233
Roundtrip
found 2 days ago
Select United flight, departing Sun, Apr 12 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Apr 14, priced at $233 found 2 days ago
Fri, May 8 - Tue, May 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$237 Roundtrip, found 2 days ago
$237
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 8 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, May 12, priced at $237 found 2 days ago
Fri, May 8 - Tue, May 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$238 Roundtrip, found 2 days ago
$238
Roundtrip
found 2 days ago
Select United flight, departing Fri, May 8 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, May 12, priced at $238 found 2 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.