United Flight 3646 Deals & Information (2026/2027)

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United Flight 3646 Route Deals From $80

The cheapest prices found with in the last 7 days for return flights were $171 and $80 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.
$171 Roundtrip, found 1 day ago
$171
Roundtrip
found 1 day ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, May 2, priced at $171 found 1 day ago
Tue, Feb 17 - Mon, Feb 23
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$176 Roundtrip, found 1 day ago
$176
Roundtrip
found 1 day ago
Select United flight, departing Tue, Feb 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Feb 23, priced at $176 found 1 day ago
Thu, Apr 30 - Sat, May 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$187 Roundtrip, found 1 day ago
$187
Roundtrip
found 1 day ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, May 2, priced at $187 found 1 day ago
Tue, Feb 17 - Mon, Feb 23
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$201 Roundtrip, found 1 day ago
$201
Roundtrip
found 1 day ago
Select United flight, departing Tue, Feb 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Feb 23, priced at $201 found 1 day ago
Tue, Mar 24 - Thu, Mar 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$202 Roundtrip, found 1 day ago
$202
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 $202 found 1 day ago
Thu, Apr 30 - Sat, May 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$207 Roundtrip, found 1 day ago
$207
Roundtrip
found 1 day ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, May 2, priced at $207 found 1 day ago
Sat, May 2 - Mon, May 4
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$213 Roundtrip, found 1 day ago
$213
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 2 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, May 4, priced at $213 found 1 day ago
Thu, Apr 30 - Sat, May 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, May 2, priced at $218 found 1 day ago
Sat, May 2 - Mon, May 4
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$228 Roundtrip, found 1 day ago
$228
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 2 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, May 4, priced at $228 found 1 day ago
Sun, May 3 - Tue, May 5
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$229 Roundtrip, found 1 day ago
$229
Roundtrip
found 1 day ago
Select United flight, departing Sun, May 3 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, May 5, priced at $229 found 1 day ago
Thu, Apr 30 - Sat, May 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$231 Roundtrip, found 1 day ago
$231
Roundtrip
found 1 day ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, May 2, priced at $231 found 1 day ago
Thu, Apr 30 - Sat, May 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$233 Roundtrip, found 1 day ago
$233
Roundtrip
found 1 day 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 1 day ago
Wed, Apr 22 - Sun, Apr 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$235 Roundtrip, found 4 days ago
$235
Roundtrip
found 4 days ago
Select United flight, departing Wed, Apr 22 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Apr 26, priced at $235 found 4 days ago
Tue, Mar 24 - Thu, Mar 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$237 Roundtrip, found 1 day ago
$237
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 $237 found 1 day 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.