United Flight 3566 Deals & Information (2026/2027)

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United Flight 3566 Route Deals From $136

The cheapest prices found with in the last 7 days for return flights were $334 and $136 for one-way flights to Macdonald-Cartier Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 17 - Mon, Dec 21
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$334 Roundtrip, found 3 days ago
$334
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 17 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Dec 21, priced at $334 found 3 days ago
Thu, Dec 17 - Mon, Dec 21
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$365 Roundtrip, found 3 days ago
$365
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 17 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Dec 21, priced at $365 found 3 days ago
Thu, Dec 17 - Mon, Dec 21
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$380 Roundtrip, found 3 days ago
$380
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 17 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Dec 21, priced at $380 found 3 days ago
Thu, Dec 17 - Mon, Dec 21
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$402 Roundtrip, found 3 days ago
$402
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 17 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Dec 21, priced at $402 found 3 days ago
Thu, Dec 17 - Mon, Dec 21
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$408 Roundtrip, found 3 days ago
$408
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 17 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Dec 21, priced at $408 found 3 days ago
Thu, Dec 17 - Mon, Dec 21
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$418 Roundtrip, found 3 days ago
$418
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 17 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Dec 21, priced at $418 found 3 days ago
Thu, Dec 17 - Mon, Dec 21
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$418 Roundtrip, found 3 days ago
$418
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 17 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Dec 21, priced at $418 found 3 days ago
Tue, Nov 10 - Wed, Nov 11
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$425 Roundtrip, found 4 days ago
$425
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 10 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Nov 11, priced at $425 found 4 days 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.