United Flight 3646 Deals & Information (2025/2026)

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United Flight 3646 Route Deals From $62

The cheapest prices found with in the last 7 days for return flights were $201 and $62 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Dec 5 - Mon, Dec 8
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$201 Roundtrip, found 4 days ago
$201
Roundtrip
found 4 days ago
Select United flight, departing Fri, Dec 5 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Dec 8, priced at $201 found 4 days ago
Thu, Nov 27 - Fri, Nov 28
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$227 Roundtrip, found 3 days ago
$227
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 27 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Fri, Nov 28, priced at $227 found 3 days ago
Thu, Nov 27 - Fri, Nov 28
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$230 Roundtrip, found 3 days ago
$230
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 27 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Fri, Nov 28, priced at $230 found 3 days ago
Fri, Dec 5 - Mon, Dec 8
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$232 Roundtrip, found 4 days ago
$232
Roundtrip
found 4 days ago
Select United flight, departing Fri, Dec 5 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Dec 8, priced at $232 found 4 days ago
Fri, Dec 5 - Mon, Dec 8
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$243 Roundtrip, found 4 days ago
$243
Roundtrip
found 4 days ago
Select United flight, departing Fri, Dec 5 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Dec 8, priced at $243 found 4 days ago
Thu, Nov 27 - Fri, Nov 28
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$245 Roundtrip, found 3 days ago
$245
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 27 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Fri, Nov 28, priced at $245 found 3 days ago
Thu, Nov 27 - Fri, Nov 28
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$256 Roundtrip, found 3 days ago
$256
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 27 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Fri, Nov 28, priced at $256 found 3 days ago
Wed, Mar 25 - Fri, Mar 27
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$275 Roundtrip, found 20 hours ago
$275
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Mar 25 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Fri, Mar 27, priced at $275 found 20 hours ago
Thu, Mar 26 - Sat, Mar 28
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$285 Roundtrip, found 1 day ago
$285
Roundtrip
found 1 day ago
Select United flight, departing Thu, Mar 26 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Mar 28, priced at $285 found 1 day ago
Mon, Dec 1 - Thu, Dec 4
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$299 Roundtrip, found 12 hours ago
$299
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Dec 1 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Dec 4, priced at $299 found 12 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.