United Flight 3646 Deals & Information (2026/2027)

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United Flight 3646 Route Deals From $90

The cheapest prices found with in the last 7 days for return flights were $100 and $90 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 5 - Wed, May 6
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$100 Roundtrip, found 1 day ago
$100
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 5 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, May 6, priced at $100 found 1 day ago
Mon, May 11 - Tue, May 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$126 Roundtrip, found 4 days ago
$126
Roundtrip
found 4 days ago
Select United flight, departing Mon, May 11 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, May 12, priced at $126 found 4 days ago
Mon, May 11 - Wed, May 13
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$148 Roundtrip, found 1 day ago
$148
Roundtrip
found 1 day ago
Select United flight, departing Mon, May 11 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, May 13, priced at $148 found 1 day ago
Tue, May 5 - Mon, May 18
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$157 Roundtrip, found 3 days ago
$157
Roundtrip
found 3 days ago
Select United flight, departing Tue, May 5 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, May 18, priced at $157 found 3 days ago
Tue, May 5 - Wed, May 6
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$172 Roundtrip, found 1 day ago
$172
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 5 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, May 6, priced at $172 found 1 day ago
Mon, May 11 - Wed, May 13
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$173 Roundtrip, found 1 day ago
$173
Roundtrip
found 1 day ago
Select United flight, departing Mon, May 11 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, May 13, priced at $173 found 1 day ago
Mon, May 11 - Tue, May 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$177 Roundtrip, found 4 days ago
$177
Roundtrip
found 4 days ago
Select United flight, departing Mon, May 11 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, May 12, priced at $177 found 4 days ago
Mon, May 11 - Tue, May 12
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 Mon, May 11 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, May 12, priced at $195 found 4 days ago
Thu, May 7 - Thu, May 14
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$196 Roundtrip, found 1 day ago
$196
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 7 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, May 14, priced at $196 found 1 day ago
Mon, May 11 - Tue, May 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$198 Roundtrip, found 4 days ago
$198
Roundtrip
found 4 days ago
Select United flight, departing Mon, May 11 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, May 12, priced at $198 found 4 days ago
Mon, May 11 - Wed, May 13
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$205 Roundtrip, found 1 day ago
$205
Roundtrip
found 1 day ago
Select United flight, departing Mon, May 11 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, May 13, priced at $205 found 1 day ago
Thu, May 7 - Thu, May 14
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$206 Roundtrip, found 1 day ago
$206
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 7 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, May 14, priced at $206 found 1 day ago
Tue, May 5 - Wed, May 6
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$208 Roundtrip, found 1 day ago
$208
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 5 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, May 6, priced at $208 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.