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 $210 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.

Wed, Jun 24 - Sun, Jun 28
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$210 Roundtrip, found 14 hours ago
$210
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Jun 24 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Jun 28, priced at $210 found 14 hours ago
Mon, May 18 - Wed, May 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$217 Roundtrip, found 6 days ago
$217
Roundtrip
found 6 days ago
Select United flight, departing Mon, May 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, May 20, priced at $217 found 6 days ago
Wed, Jun 24 - Sun, Jun 28
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$232 Roundtrip, found 14 hours ago
$232
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Jun 24 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Jun 28, priced at $232 found 14 hours ago
Mon, May 18 - Wed, May 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$237 Roundtrip, found 6 days ago
$237
Roundtrip
found 6 days ago
Select United flight, departing Mon, May 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, May 20, priced at $237 found 6 days ago
Mon, May 18 - Wed, May 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$250 Roundtrip, found 6 days ago
$250
Roundtrip
found 6 days ago
Select United flight, departing Mon, May 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, May 20, priced at $250 found 6 days ago
Thu, Apr 30 - Sun, May 3
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, May 3, priced at $254 found 1 day ago
Wed, Jun 17 - Thu, Jun 18
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$260 Roundtrip, found 3 days ago
$260
Roundtrip
found 3 days ago
Select United flight, departing Wed, Jun 17 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Jun 18, priced at $260 found 3 days ago
Mon, May 18 - Wed, May 20
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$263 Roundtrip, found 6 days ago
$263
Roundtrip
found 6 days ago
Select United flight, departing Mon, May 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, May 20, priced at $263 found 6 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.