United Flight 3566 Deals & Information (2026/2027)

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United Flight 3566 Route Deals From $176

The cheapest prices found with in the last 7 days for return flights were $364 and $176 for one-way flights to Macdonald-Cartier Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 8 - Mon, Oct 12
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$364 Roundtrip, found 4 hours ago
$364
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Oct 8 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Oct 12, priced at $364 found 4 hours ago
Fri, Oct 9 - Thu, Oct 15
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$380 Roundtrip, found 1 day ago
$380
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 9 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Thu, Oct 15, priced at $380 found 1 day ago
Thu, Dec 10 - Sat, Dec 12
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$390 Roundtrip, found 3 days ago
$390
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 10 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Dec 12, priced at $390 found 3 days ago
Thu, Oct 1 - Sat, Oct 31
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$398 Roundtrip, found 3 days ago
$398
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 1 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Oct 31, priced at $398 found 3 days ago
Thu, Oct 1 - Sat, Oct 31
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$400 Roundtrip, found 3 days ago
$400
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 1 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Oct 31, priced at $400 found 3 days ago
Thu, Oct 8 - Mon, Oct 12
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$404 Roundtrip, found 4 hours ago
$404
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Oct 8 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Oct 12, priced at $404 found 4 hours ago
Thu, Dec 10 - Sat, Dec 12
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$414 Roundtrip, found 3 days ago
$414
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 10 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Dec 12, priced at $414 found 3 days ago
Fri, Oct 9 - Thu, Oct 15
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$420 Roundtrip, found 1 day ago
$420
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 9 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Thu, Oct 15, priced at $420 found 1 day ago
Thu, Dec 10 - Sat, Dec 12
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$431 Roundtrip, found 3 days ago
$431
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 10 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Sat, Dec 12, priced at $431 found 3 days ago
Thu, Oct 8 - Mon, Oct 12
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$435 Roundtrip, found 4 hours ago
$435
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Oct 8 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Mon, Oct 12, priced at $435 found 4 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.