United Flight 3646 Deals & Information (2026/2027)

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United Flight 3646 Route Deals From $135

The cheapest prices found with in the last 7 days for return flights were $224 and $135 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Apr 4 - Wed, Apr 8
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$224 Roundtrip, found 5 days ago
$224
Roundtrip
found 5 days ago
Select United flight, departing Sat, Apr 4 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, Apr 8, priced at $224 found 5 days ago
Thu, Apr 30 - Sat, May 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$225 Roundtrip, found 10 hours ago
$225
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, May 2, priced at $225 found 10 hours ago
Wed, May 20 - Thu, May 21
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$230 Roundtrip, found 6 days ago
$230
Roundtrip
found 6 days ago
Select United flight, departing Wed, May 20 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, May 21, priced at $230 found 6 days ago
Thu, Apr 30 - Sat, May 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$233 Roundtrip, found 10 hours ago
$233
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, May 2, priced at $233 found 10 hours ago
Mon, Jun 1 - Sat, Jun 6
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$247 Roundtrip, found 5 days ago
$247
Roundtrip
found 5 days ago
Select United flight, departing Mon, Jun 1 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Jun 6, priced at $247 found 5 days ago
Sat, Apr 4 - Wed, Apr 8
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$254 Roundtrip, found 5 days ago
$254
Roundtrip
found 5 days ago
Select United flight, departing Sat, Apr 4 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Wed, Apr 8, priced at $254 found 5 days ago
Thu, Jun 18 - Tue, Jun 30
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$262 Roundtrip, found 3 days ago
$262
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jun 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jun 30, priced at $262 found 3 days ago
Thu, Apr 23 - Sun, Apr 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$272 Roundtrip, found 2 days ago
$272
Roundtrip
found 2 days ago
Select United flight, departing Thu, Apr 23 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Apr 26, priced at $272 found 2 days ago
Thu, Apr 9 - Sun, Apr 12
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$273 Roundtrip, found 3 days ago
$273
Roundtrip
found 3 days ago
Select United flight, departing Thu, Apr 9 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Apr 12, priced at $273 found 3 days ago
Wed, Oct 14 - Sun, Oct 18
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$275 Roundtrip, found 4 days ago
$275
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 14 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Oct 18, priced at $275 found 4 days ago
Thu, Jun 18 - Tue, Jun 30
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$281 Roundtrip, found 3 days ago
$281
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jun 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jun 30, priced at $281 found 3 days ago
Thu, Apr 30 - Sat, May 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$290 Roundtrip, found 10 hours ago
$290
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Apr 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, May 2, priced at $290 found 10 hours ago
Fri, Apr 10 - Mon, Apr 13
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$292 Roundtrip, found 6 hours ago
$292
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Apr 10 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Apr 13, priced at $292 found 6 hours ago
Thu, Jun 18 - Tue, Jun 30
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$303 Roundtrip, found 3 days ago
$303
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jun 18 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Jun 30, priced at $303 found 3 days ago
Fri, Apr 3 - Mon, Apr 6
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$338 Roundtrip, found 1 hour ago
$338
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Apr 3 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Apr 6, priced at $338 found 1 hour 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.