United Flight 3646 Deals & Information (2025/2026)

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United Flight 3646 Route Deals From $101

The cheapest prices found with in the last 7 days for return flights were $201 and $101 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 24 - Thu, Nov 27
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$201 Roundtrip, found 11 hours ago
$201
Roundtrip
found 11 hours ago
Select United flight, departing Mon, Nov 24 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Nov 27, priced at $201 found 11 hours ago
Wed, Mar 25 - Sat, Mar 28
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$206 Roundtrip, found 3 days ago
$206
Roundtrip
found 3 days ago
Select United flight, departing Wed, Mar 25 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Mar 28, priced at $206 found 3 days ago
Fri, Dec 5 - Mon, Dec 8
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$208 Roundtrip, found 2 days ago
$208
Roundtrip
found 2 days ago
Select United flight, departing Fri, Dec 5 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Mon, Dec 8, priced at $208 found 2 days ago
Mon, Dec 8 - Tue, Dec 9
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$212 Roundtrip, found 5 days ago
$212
Roundtrip
found 5 days ago
Select United flight, departing Mon, Dec 8 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Dec 9, priced at $212 found 5 days ago
Mon, Dec 8 - Sat, Dec 13
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$213 Roundtrip, found 4 days ago
$213
Roundtrip
found 4 days ago
Select United flight, departing Mon, Dec 8 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Dec 13, priced at $213 found 4 days ago
Tue, Dec 30 - Sat, Jan 3
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$215 Roundtrip, found 5 days ago
$215
Roundtrip
found 5 days ago
Select United flight, departing Tue, Dec 30 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Jan 3, priced at $215 found 5 days ago
Mon, Nov 24 - Thu, Nov 27
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$220 Roundtrip, found 11 hours ago
$220
Roundtrip
found 11 hours ago
Select United flight, departing Mon, Nov 24 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Nov 27, priced at $220 found 11 hours ago
Tue, Mar 24 - Thu, Mar 26
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$223 Roundtrip, just found
$223
Roundtrip
just found
Select United flight, departing Tue, Mar 24 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Thu, Mar 26, priced at $223 just found
Mon, Dec 29 - Sat, Jan 3
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$228 Roundtrip, found 5 days ago
$228
Roundtrip
found 5 days ago
Select United flight, departing Mon, Dec 29 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sat, Jan 3, priced at $228 found 5 days ago
Thu, May 14 - Tue, May 19
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$233 Roundtrip, found 3 days ago
$233
Roundtrip
found 3 days ago
Select United flight, departing Thu, May 14 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, May 19, priced at $233 found 3 days ago