United Flight 3566 Deals & Information (2026/2027)

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United Flight 3566 Route Deals From $242

The cheapest prices found with in the last 7 days for return flights were $475 and $242 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.
$475 Roundtrip, found 6 days ago
$475
Roundtrip
found 6 days ago
Select United flight, departing Thu, Dec 17 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Dec 21, priced at $475 found 6 days ago
Thu, Dec 10 - Sun, Dec 13
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$476 Roundtrip, found 2 days ago
$476
Roundtrip
found 2 days ago
Select United flight, departing Thu, Dec 10 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sun, Dec 13, priced at $476 found 2 days ago
Thu, Dec 17 - Mon, Dec 21
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$484 Roundtrip, found 6 days ago
$484
Roundtrip
found 6 days ago
Select United flight, departing Thu, Dec 17 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Dec 21, priced at $484 found 6 days ago
Thu, Dec 10 - Sun, Dec 13
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$485 Roundtrip, found 2 days ago
$485
Roundtrip
found 2 days ago
Select United flight, departing Thu, Dec 10 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sun, Dec 13, priced at $485 found 2 days ago
Thu, Dec 17 - Mon, Dec 21
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$500 Roundtrip, found 6 days ago
$500
Roundtrip
found 6 days ago
Select United flight, departing Thu, Dec 17 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Dec 21, priced at $500 found 6 days ago
Thu, Dec 10 - Sun, Dec 13
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$505 Roundtrip, found 2 days ago
$505
Roundtrip
found 2 days ago
Select United flight, departing Thu, Dec 10 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sun, Dec 13, priced at $505 found 2 days ago
Thu, Dec 10 - Sun, Dec 13
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$510 Roundtrip, found 2 days ago
$510
Roundtrip
found 2 days ago
Select United flight, departing Thu, Dec 10 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sun, Dec 13, priced at $510 found 2 days ago
Thu, Dec 10 - Sun, Dec 13
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$513 Roundtrip, found 2 days ago
$513
Roundtrip
found 2 days ago
Select United flight, departing Thu, Dec 10 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sun, Dec 13, priced at $513 found 2 days ago
Thu, Dec 17 - Mon, Dec 21
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$522 Roundtrip, found 6 days ago
$522
Roundtrip
found 6 days ago
Select United flight, departing Thu, Dec 17 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Dec 21, priced at $522 found 6 days ago
Thu, Dec 17 - Mon, Dec 21
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$523 Roundtrip, found 6 days ago
$523
Roundtrip
found 6 days ago
Select United flight, departing Thu, Dec 17 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Dec 21, priced at $523 found 6 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.