United Flight 3646 Deals & Information (2025/2026)

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United Flight 3646 Route Deals From $89

The cheapest prices found with in the last 7 days for return flights were $177 and $89 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 7 - Thu, Oct 16
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$177 Roundtrip, found 6 hours ago
$177
Roundtrip
found 6 hours ago
Select United flight, departing Tue, Oct 7 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Oct 16, priced at $177 found 6 hours ago
Fri, Oct 31 - Thu, Nov 6
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$178 Roundtrip, found 2 days ago
$178
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 31 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Nov 6, priced at $178 found 2 days ago
Fri, Jan 23 - Mon, Jan 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$190 Roundtrip, found 6 days ago
$190
Roundtrip
found 6 days ago
Select United flight, departing Fri, Jan 23 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Jan 26, priced at $190 found 6 days ago
Fri, Sep 26 - Sun, Sep 28
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$195 Roundtrip, found 4 days ago
$195
Roundtrip
found 4 days ago
Select United flight, departing Fri, Sep 26 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Sep 28, priced at $195 found 4 days ago
Fri, Sep 12 - Sun, Sep 14
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$197 Roundtrip, found 4 days ago
$197
Roundtrip
found 4 days ago
Select United flight, departing Fri, Sep 12 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Sep 14, priced at $197 found 4 days ago
Fri, Jan 23 - Mon, Jan 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$201 Roundtrip, found 6 days ago
$201
Roundtrip
found 6 days ago
Select United flight, departing Fri, Jan 23 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Jan 26, priced at $201 found 6 days ago
Tue, Oct 7 - Thu, Oct 16
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$204 Roundtrip, found 6 hours ago
$204
Roundtrip
found 6 hours ago
Select United flight, departing Tue, Oct 7 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Oct 16, priced at $204 found 6 hours ago
Sat, Oct 18 - Mon, Oct 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$214 Roundtrip, found 1 day ago
$214
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Oct 20, priced at $214 found 1 day ago
Wed, Oct 15 - Sat, Oct 18
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$214 Roundtrip, found 1 day ago
$214
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 15 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Oct 18, priced at $214 found 1 day ago
Fri, Oct 31 - Thu, Nov 6
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$221 Roundtrip, found 2 days ago
$221
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 31 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Nov 6, priced at $221 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.