United Flight UA3704 Deals & Information (2025/2026)

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United Flight 3704 Route Deals From $134

The cheapest prices found with in the last 7 days for return flights were $179 and $134 for one-way flights to Pittsburgh Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 2 - Sun, Oct 5
IAD
Washington Dulles Intl.
PIT
Pittsburgh Intl.
$179 Roundtrip, found 1 day ago
$179
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 2 from Washington Dulles Intl. to Pittsburgh Intl., returning Sun, Oct 5, priced at $179 found 1 day ago

Frequently asked questions

What route does flight number UA3704 take?
UA3704 takes roughly 1 hour and 30 minutes to jet non-stop from Kansas City Intl. Airport to Chicago, IL Airport (ORD-O’Hare Intl.). Sure, there’s magic in the destination, but half the fun is in the journey!
How often is UA3704 on time?
If you’re flying on United Airlines flight number UA3704 between Kansas City Intl. Airport (MCI) and O’Hare Intl. Airport (ORD), 100% of these services leave as scheduled. In the rare event of a delay, you can expect to wait about 8 minutes on average. Thanks to this air carrier’s high standard of service, this flight has earned a star rating of 4.2.
What terminal does UA3704 fly out of?
Direct flights to and from Kansas City Intl. Airport and O’Hare Airport are served by flight number UA3704, and passengers with a seat booked on this flight typically take off from Terminal C.
What kind of plane is on flight number UA3704?
Get set to hop on board an Embraer 170 if you’ve booked a seat on flight UA3704. Most services from MCI to O’Hare Airport are operated using this type of plane.
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 UA3704 flight with Travelocity, please visit our Customer Service Portal.