United Flight NK403 Deals & Information (2025/2026)

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United Flight 403 Route Deals From $79

The cheapest prices found with in the last 7 days for return flights were $95 and $79 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 18 - Tue, Aug 26
FLL
Fort Lauderdale - Hollywood Intl.
ORD
O'Hare Intl.
$95 Roundtrip, found 4 days ago
$95
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 18 from Fort Lauderdale - Hollywood Intl. to O'Hare Intl., returning Tue, Aug 26, priced at $95 found 4 days ago
Mon, Aug 18 - Tue, Aug 26
FLL
Fort Lauderdale - Hollywood Intl.
ORD
O'Hare Intl.
$95 Roundtrip, found 4 days ago
$95
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 18 from Fort Lauderdale - Hollywood Intl. to O'Hare Intl., returning Tue, Aug 26, priced at $95 found 4 days ago
Mon, Aug 18 - Tue, Aug 26
FLL
Fort Lauderdale - Hollywood Intl.
ORD
O'Hare Intl.
$104 Roundtrip, found 4 days ago
$104
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 18 from Fort Lauderdale - Hollywood Intl. to O'Hare Intl., returning Tue, Aug 26, priced at $104 found 4 days ago
Mon, Aug 18 - Tue, Aug 26
FLL
Fort Lauderdale - Hollywood Intl.
ORD
O'Hare Intl.
$112 Roundtrip, found 4 days ago
$112
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 18 from Fort Lauderdale - Hollywood Intl. to O'Hare Intl., returning Tue, Aug 26, priced at $112 found 4 days ago
Wed, Sep 17 - Sat, Sep 20
FLL
Fort Lauderdale - Hollywood Intl.
ORD
O'Hare Intl.
$157 Roundtrip, found 19 hours ago
$157
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Sep 17 from Fort Lauderdale - Hollywood Intl. to O'Hare Intl., returning Sat, Sep 20, priced at $157 found 19 hours ago
Fri, Aug 22 - Tue, Sep 2
FLL
Fort Lauderdale - Hollywood Intl.
ORD
O'Hare Intl.
$161 Roundtrip, just found
$161
Roundtrip
just found
Select United flight, departing Fri, Aug 22 from Fort Lauderdale - Hollywood Intl. to O'Hare Intl., returning Tue, Sep 2, priced at $161 just found

Frequently asked questions

What route does flight number UA403 take?
UA403 is used on a number of routes. Most commonly, UA403 flies direct from DEN to Los Angeles, CA Airport (LAX-Los Angeles Intl.). If this is your route, you'll be airborne for approximately 2 hours and 24 minutes.
What kind of plane is on flight number UA403?
It's likely you'll be traveling aboard a Boeing 737 MAX 9 if you're booked on flight UA403 from DEN to LAX. This is the most commonly used type of aircraft on this particular route.
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 UA403 flight with Travelocity, please visit our Customer Service Portal.