United Flight 3646 Deals & Information (2026/2027)

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United Flight 3646 Route Deals From $86

The cheapest prices found with in the last 7 days for return flights were $228 and $86 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Mar 13 - Mon, Mar 16
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$228 Roundtrip, found 5 days ago
$228
Roundtrip
found 5 days ago
Select United flight, departing Fri, Mar 13 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Mar 16, priced at $228 found 5 days ago
Tue, Mar 24 - Thu, Mar 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$230 Roundtrip, found 1 day ago
$230
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 24 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Mar 26, priced at $230 found 1 day ago
Tue, Mar 24 - Thu, Mar 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$250 Roundtrip, found 1 day ago
$250
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 24 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Mar 26, priced at $250 found 1 day ago
Thu, Mar 19 - Sun, Mar 22
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$260 Roundtrip, found 4 days ago
$260
Roundtrip
found 4 days ago
Select United flight, departing Thu, Mar 19 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Mar 22, priced at $260 found 4 days ago
Wed, Mar 25 - Fri, Mar 27
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$266 Roundtrip, found 15 hours ago
$266
Roundtrip
found 15 hours ago
Select United flight, departing Wed, Mar 25 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Fri, Mar 27, priced at $266 found 15 hours ago
Tue, Mar 24 - Thu, Mar 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$266 Roundtrip, found 1 day ago
$266
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 24 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Mar 26, priced at $266 found 1 day ago
Fri, Apr 3 - Sun, Apr 5
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$273 Roundtrip, found 4 hours ago
$273
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Apr 3 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Apr 5, priced at $273 found 4 hours ago
Fri, Mar 20 - Sun, Mar 22
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$281 Roundtrip, found 13 hours ago
$281
Roundtrip
found 13 hours ago
Select United flight, departing Fri, Mar 20 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Mar 22, priced at $281 found 13 hours ago
Tue, Mar 24 - Thu, Mar 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$286 Roundtrip, found 1 day ago
$286
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 24 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Mar 26, priced at $286 found 1 day ago
Tue, Mar 24 - Thu, Mar 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$292 Roundtrip, found 1 day ago
$292
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 24 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Mar 26, priced at $292 found 1 day ago
Sat, Mar 14 - Sun, Mar 15
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$298 Roundtrip, found 1 hour ago
$298
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Mar 14 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Mar 15, priced at $298 found 1 hour 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.