United Flight 3473 Deals & Information (2026/2027)

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United Flight 3473 Route Deals From $240

The cheapest prices found with in the last 7 days for return flights were $339 and $240 for one-way flights to Key West Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jan 6 - Sat, Jan 10
IAD
Washington Dulles Intl.
EYW
Key West Intl.
$339 Roundtrip, found 6 days ago
$339
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jan 6 from Washington Dulles Intl. to Key West Intl., returning Sat, Jan 10, priced at $339 found 6 days ago
Fri, Jan 16 - Tue, Jan 20
IAD
Washington Dulles Intl.
EYW
Key West Intl.
$346 Roundtrip, found 3 days ago
$346
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jan 16 from Washington Dulles Intl. to Key West Intl., returning Tue, Jan 20, priced at $346 found 3 days ago

Frequently asked questions

What route does flight number UA3473 take?
UA3473 serves multiple routes, but the most common is between Dane County Regional Airport (MSN) and ORD. If you manage to score a direct flight, you'll land in 58 minutes. Multi-stop flights can also operate under the same number, as can flights on other routes.
What kind of plane is on flight number UA3473?
UA3473 is a flight number that's used on multiple routes. If you've booked a seat on the most popular one, MSN to O'Hare Intl. Airport (ORD), you'll likely be climbing aboard an Embraer 170.
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 UA3473 flight with Travelocity, please visit our Customer Service Portal.