United Flight 3646 Deals & Information (2026/2027)

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United Flight 3646 Route Deals From $97

The cheapest prices found with in the last 7 days for return flights were $187 and $97 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 19 - Tue, Oct 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$187 Roundtrip, found 4 days ago
$187
Roundtrip
found 4 days ago
Select United flight, departing Mon, Oct 19 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Oct 20, priced at $187 found 4 days ago
Wed, Jun 10 - Sat, Jun 13
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$191 Roundtrip, found 3 days ago
$191
Roundtrip
found 3 days ago
Select United flight, departing Wed, Jun 10 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Jun 13, priced at $191 found 3 days ago
Tue, Jul 28 - Thu, Jul 30
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$196 Roundtrip, found 2 days ago
$196
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 28 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Jul 30, priced at $196 found 2 days ago
Wed, Jun 10 - Fri, Jun 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$221 Roundtrip, found 4 days ago
$221
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jun 10 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Fri, Jun 12, priced at $221 found 4 days ago
Tue, Jul 21 - Thu, Jul 23
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 Tue, Jul 21 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Jul 23, priced at $232 found 4 days ago
Mon, Oct 19 - Tue, Oct 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$233 Roundtrip, found 4 days ago
$233
Roundtrip
found 4 days ago
Select United flight, departing Mon, Oct 19 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Oct 20, priced at $233 found 4 days ago
Wed, Jun 10 - Sat, Jun 13
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$236 Roundtrip, found 3 days ago
$236
Roundtrip
found 3 days ago
Select United flight, departing Wed, Jun 10 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Jun 13, priced at $236 found 3 days ago
Tue, Jul 21 - Thu, Jul 23
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$245 Roundtrip, found 4 days ago
$245
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jul 21 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Jul 23, priced at $245 found 4 days ago
Mon, Aug 31 - Sun, Sep 6
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$249 Roundtrip, found 3 days ago
$249
Roundtrip
found 3 days ago
Select United flight, departing Mon, Aug 31 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Sep 6, priced at $249 found 3 days ago
Tue, Jul 28 - Thu, Jul 30
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$266 Roundtrip, found 2 days ago
$266
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 28 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Jul 30, priced at $266 found 2 days ago
Sat, Jul 11 - Tue, Jul 14
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jul 11 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jul 14, priced at $269 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.