United Flight 3566 Deals & Information (2025/2026)

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United Flight 3566 Route Deals From $39

The cheapest prices found with in the last 7 days for return flights were $193 and $39 for one-way flights to John Glenn Columbus Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 12 - Tue, Nov 18
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$193 Roundtrip, found 4 days ago
$193
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 12 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Nov 18, priced at $193 found 4 days ago
Mon, Dec 1 - Tue, Dec 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$234 Roundtrip, found 4 days ago
$234
Roundtrip
found 4 days ago
Select United flight, departing Mon, Dec 1 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Tue, Dec 2, priced at $234 found 4 days ago
Sat, Dec 20 - Sun, Dec 21
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$321 Roundtrip, found 1 day ago
$321
Roundtrip
found 1 day ago
Select United flight, departing Sat, Dec 20 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Dec 21, priced at $321 found 1 day ago
Wed, Oct 29 - Sun, Nov 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$325 Roundtrip, found 14 hours ago
$325
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Oct 29 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Nov 2, priced at $325 found 14 hours ago
Wed, Nov 26 - Sun, Nov 30
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$331 Roundtrip, found 1 day ago
$331
Roundtrip
found 1 day ago
Select United flight, departing Wed, Nov 26 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Nov 30, priced at $331 found 1 day ago
Wed, Oct 29 - Sun, Nov 2
IAD
Washington Dulles Intl.
CMH
John Glenn Columbus Intl.
$341 Roundtrip, found 14 hours ago
$341
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Oct 29 from Washington Dulles Intl. to John Glenn Columbus Intl., returning Sun, Nov 2, priced at $341 found 14 hours ago

Frequently asked questions

What route does flight number UA3566 take?
UA3566 operates between O'Hare Airport and IND and is a direct flight. This service typically takes 57 minutes.
What terminal does UA3566 fly out of?
UA3566 runs between O'Hare Airport and Indianapolis, IN Airport (IND-Indianapolis Intl.), and travelers on this flight commonly board the plane from Terminal 2.
What kind of plane is on flight number UA3566?
The Embraer 170 is the aircraft model that's generally used for flight UA3566. This flight nearly always sets off from O'Hare Intl. Airport (ORD) and arrives at Indianapolis Intl. Airport (IND).
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 UA3566 flight with Travelocity, please visit our Customer Service Portal.