United Flight 3566 Deals & Information (2026/2027)

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United Flight 3566 Route Deals From $193

The cheapest prices found with in the last 7 days for return flights were $312 and $193 for one-way flights to Macdonald-Cartier Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$312 Roundtrip, found 6 days ago
$312
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $312 found 6 days ago
Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$388 Roundtrip, found 6 days ago
$388
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $388 found 6 days ago
Mon, Sep 14 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$394 Roundtrip, found 5 days ago
$394
Roundtrip
found 5 days ago
Select United flight, departing Mon, Sep 14 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $394 found 5 days ago
Mon, Sep 14 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$404 Roundtrip, found 5 days ago
$404
Roundtrip
found 5 days ago
Select United flight, departing Mon, Sep 14 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $404 found 5 days ago
Mon, Sep 14 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$409 Roundtrip, found 5 days ago
$409
Roundtrip
found 5 days ago
Select United flight, departing Mon, Sep 14 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $409 found 5 days ago
Mon, Sep 14 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$419 Roundtrip, found 5 days ago
$419
Roundtrip
found 5 days ago
Select United flight, departing Mon, Sep 14 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $419 found 5 days ago
Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$426 Roundtrip, found 6 days ago
$426
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $426 found 6 days ago
Tue, Sep 15 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$434 Roundtrip, found 6 days ago
$434
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $434 found 6 days ago
Mon, Sep 14 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$439 Roundtrip, found 5 days ago
$439
Roundtrip
found 5 days ago
Select United flight, departing Mon, Sep 14 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $439 found 5 days ago
Mon, Sep 14 - Wed, Sep 16
IAD
Washington Dulles Intl.
YOW
Macdonald-Cartier Intl.
$441 Roundtrip, found 5 days ago
$441
Roundtrip
found 5 days ago
Select United flight, departing Mon, Sep 14 from Washington Dulles Intl. to Macdonald-Cartier Intl., returning Wed, Sep 16, priced at $441 found 5 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.