United Flight 3646 Deals & Information (2026/2027)

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United Flight 3646 Route Deals From $100

The cheapest prices found with in the last 7 days for return flights were $198 and $100 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 27 - Thu, May 28
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select United flight, departing Wed, May 27 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, May 28, priced at $198 found 2 days ago
Sun, Jun 7 - Wed, Jun 10
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$216 Roundtrip, found 2 days ago
$216
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jun 7 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, Jun 10, priced at $216 found 2 days ago
Wed, Jun 17 - Fri, Jun 19
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 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Fri, Jun 19, priced at $221 found 4 days ago
Sat, May 23 - Wed, May 27
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$231 Roundtrip, found 13 hours ago
$231
Roundtrip
found 13 hours ago
Select United flight, departing Sat, May 23 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, May 27, priced at $231 found 13 hours ago
Wed, May 27 - Thu, May 28
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$234 Roundtrip, found 2 days ago
$234
Roundtrip
found 2 days ago
Select United flight, departing Wed, May 27 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, May 28, priced at $234 found 2 days ago
Wed, Jun 17 - Fri, Jun 19
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$250 Roundtrip, found 4 days ago
$250
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jun 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Fri, Jun 19, priced at $250 found 4 days ago
Sat, May 23 - Wed, May 27
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$280 Roundtrip, found 13 hours ago
$280
Roundtrip
found 13 hours ago
Select United flight, departing Sat, May 23 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, May 27, priced at $280 found 13 hours ago
Sat, May 23 - Wed, May 27
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$283 Roundtrip, found 13 hours ago
$283
Roundtrip
found 13 hours ago
Select United flight, departing Sat, May 23 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, May 27, priced at $283 found 13 hours 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.