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 $225 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.

Thu, Apr 30 - Sat, May 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$225 Roundtrip, found 3 days ago
$225
Roundtrip
found 3 days ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, May 2, priced at $225 found 3 days ago
Thu, Apr 30 - Sat, May 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$233 Roundtrip, found 3 days ago
$233
Roundtrip
found 3 days ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, May 2, priced at $233 found 3 days ago
Thu, May 28 - Sun, May 31
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$253 Roundtrip, found 1 day ago
$253
Roundtrip
found 1 day 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 1 day ago
Thu, Jun 18 - Tue, Jun 30
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$262 Roundtrip, found 6 days ago
$262
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jun 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jun 30, priced at $262 found 6 days ago
Thu, Apr 9 - Sun, Apr 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$273 Roundtrip, found 6 days ago
$273
Roundtrip
found 6 days ago
Select United flight, departing Thu, Apr 9 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Apr 12, priced at $273 found 6 days ago
Sat, Jul 4 - Sun, Jul 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$275 Roundtrip, found 13 hours ago
$275
Roundtrip
found 13 hours 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 13 hours ago
Thu, Jun 18 - Tue, Jun 30
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$281 Roundtrip, found 6 days ago
$281
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jun 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jun 30, priced at $281 found 6 days ago
Fri, May 8 - Mon, May 11
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$287 Roundtrip, found 15 hours ago
$287
Roundtrip
found 15 hours 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 15 hours ago
Thu, Apr 30 - Sat, May 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$290 Roundtrip, found 3 days ago
$290
Roundtrip
found 3 days ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, May 2, priced at $290 found 3 days ago
Thu, Jul 2 - Sun, Jul 5
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$303 Roundtrip, found 2 days ago
$303
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jul 2 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Jul 5, priced at $303 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.