United Flight UA3704 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 3704 Route Deals From $150

The cheapest prices found with in the last 7 days for return flights were $297 and $150 for one-way flights to Austin-Bergstrom Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 22 - Wed, Apr 23
IAD
Washington Dulles Intl.
AUS
Austin-Bergstrom Intl.
$297 Roundtrip, found 4 days ago
$297
Roundtrip
found 4 days ago
Select United flight, departing Tue, Apr 22 from Washington Dulles Intl. to Austin-Bergstrom Intl., returning Wed, Apr 23, priced at $297 found 4 days ago
Tue, Apr 29 - Fri, May 2
IAD
Washington Dulles Intl.
AUS
Austin-Bergstrom Intl.
$301 Roundtrip, found 1 day ago
$301
Roundtrip
found 1 day ago
Select United flight, departing Tue, Apr 29 from Washington Dulles Intl. to Austin-Bergstrom Intl., returning Fri, May 2, priced at $301 found 1 day ago
Fri, May 2 - Sun, May 4
IAD
Washington Dulles Intl.
AUS
Austin-Bergstrom Intl.
$319 Roundtrip, found 3 days ago
$319
Roundtrip
found 3 days ago
Select United flight, departing Fri, May 2 from Washington Dulles Intl. to Austin-Bergstrom Intl., returning Sun, May 4, priced at $319 found 3 days ago
Thu, Jun 12 - Tue, Jun 24
IAD
Washington Dulles Intl.
AUS
Austin-Bergstrom Intl.
$385 Roundtrip, found 3 hours ago
$385
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Jun 12 from Washington Dulles Intl. to Austin-Bergstrom Intl., returning Tue, Jun 24, priced at $385 found 3 hours 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.