United Flight 3646 Deals & Information (2025/2026)

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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 $160 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.

Tue, Jun 17 - Wed, Jun 18
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$160 Roundtrip, found 1 day ago
$160
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, Jun 18, priced at $160 found 1 day ago
Mon, Jun 9 - Tue, Jun 10
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$168 Roundtrip, found 3 days ago
$168
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jun 9 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jun 10, priced at $168 found 3 days ago
Thu, May 29 - Thu, Jun 5
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$176 Roundtrip, found 2 days ago
$176
Roundtrip
found 2 days ago
Select United flight, departing Thu, May 29 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Jun 5, priced at $176 found 2 days ago
Fri, Aug 29 - Sun, Aug 31
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$194 Roundtrip, found 5 days ago
$194
Roundtrip
found 5 days ago
Select United flight, departing Fri, Aug 29 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Aug 31, priced at $194 found 5 days ago
Fri, Aug 29 - Sun, Aug 31
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$202 Roundtrip, found 5 days ago
$202
Roundtrip
found 5 days ago
Select United flight, departing Fri, Aug 29 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Aug 31, priced at $202 found 5 days ago
Mon, Jun 9 - Tue, Jun 10
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$204 Roundtrip, found 3 days ago
$204
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jun 9 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jun 10, priced at $204 found 3 days ago
Mon, Jun 9 - Tue, Jun 10
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$206 Roundtrip, found 3 days ago
$206
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jun 9 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jun 10, priced at $206 found 3 days ago
Fri, Jan 9 - Sun, Jan 11
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$209 Roundtrip, found 21 hours ago
$209
Roundtrip
found 21 hours ago
Select United flight, departing Fri, Jan 9 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Jan 11, priced at $209 found 21 hours ago
Fri, Jun 6 - Sun, Jun 8
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$214 Roundtrip, found 4 days ago
$214
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jun 6 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Jun 8, priced at $214 found 4 days ago
Sat, Oct 18 - Sun, Oct 19
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$219 Roundtrip, found 4 days ago
$219
Roundtrip
found 4 days ago
Select United flight, departing Sat, Oct 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Oct 19, priced at $219 found 4 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.