United Flight UA3704 Deals & Information (2025/2026)

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United Flight 3704 Route Deals From $65

The cheapest prices found with in the last 7 days for return flights were $129 and $65 for one-way flights to LaGuardia for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Dec 7 - Wed, Dec 10
IAD
Washington Dulles Intl.
LGA
LaGuardia
$129 Roundtrip, found 22 hours ago
$129
Roundtrip
found 22 hours ago
Select United flight, departing Sun, Dec 7 from Washington Dulles Intl. to LaGuardia, returning Wed, Dec 10, priced at $129 found 22 hours ago
Fri, Jul 11 - Mon, Jul 14
IAD
Washington Dulles Intl.
LGA
LaGuardia
$132 Roundtrip, found 2 days ago
$132
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jul 11 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 14, priced at $132 found 2 days ago
Sun, Dec 7 - Wed, Dec 10
IAD
Washington Dulles Intl.
LGA
LaGuardia
$133 Roundtrip, found 22 hours ago
$133
Roundtrip
found 22 hours ago
Select United flight, departing Sun, Dec 7 from Washington Dulles Intl. to LaGuardia, returning Wed, Dec 10, priced at $133 found 22 hours ago
Sat, Dec 6 - Mon, Dec 8
IAD
Washington Dulles Intl.
LGA
LaGuardia
$135 Roundtrip, found 5 days ago
$135
Roundtrip
found 5 days ago
Select United flight, departing Sat, Dec 6 from Washington Dulles Intl. to LaGuardia, returning Mon, Dec 8, priced at $135 found 5 days ago
Sun, Jul 13 - Mon, Jul 14
IAD
Washington Dulles Intl.
LGA
LaGuardia
$137 Roundtrip, found 2 days ago
$137
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jul 13 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 14, priced at $137 found 2 days ago
Sun, Dec 7 - Wed, Dec 10
IAD
Washington Dulles Intl.
LGA
LaGuardia
$138 Roundtrip, found 22 hours ago
$138
Roundtrip
found 22 hours ago
Select United flight, departing Sun, Dec 7 from Washington Dulles Intl. to LaGuardia, returning Wed, Dec 10, priced at $138 found 22 hours ago
Sat, Jul 12 - Sun, Jul 13
IAD
Washington Dulles Intl.
LGA
LaGuardia
$141 Roundtrip, found 2 days ago
$141
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jul 12 from Washington Dulles Intl. to LaGuardia, returning Sun, Jul 13, priced at $141 found 2 days ago
Fri, Sep 12 - Sun, Sep 14
IAD
Washington Dulles Intl.
LGA
LaGuardia
$142 Roundtrip, found 5 days ago
$142
Roundtrip
found 5 days ago
Select United flight, departing Fri, Sep 12 from Washington Dulles Intl. to LaGuardia, returning Sun, Sep 14, priced at $142 found 5 days ago
Fri, Sep 12 - Sun, Sep 14
IAD
Washington Dulles Intl.
LGA
LaGuardia
$144 Roundtrip, found 5 days ago
$144
Roundtrip
found 5 days ago
Select United flight, departing Fri, Sep 12 from Washington Dulles Intl. to LaGuardia, returning Sun, Sep 14, priced at $144 found 5 days ago
Sun, Jul 13 - Mon, Jul 14
IAD
Washington Dulles Intl.
LGA
LaGuardia
$145 Roundtrip, found 2 days ago
$145
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jul 13 from Washington Dulles Intl. to LaGuardia, returning Mon, Jul 14, priced at $145 found 2 days 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.