United Flight 543 Deals & Information (2026/2027)

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United Flight 543 Route Deals From $280

The cheapest prices found with in the last 7 days for return flights were $289 and $280 for one-way flights to John Wayne for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 26 - Tue, Mar 3
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select United flight, departing Thu, Feb 26 from Newark Liberty Intl. Airport to John Wayne, returning Tue, Mar 3, priced at $289 found 1 day ago
Wed, May 20 - Sun, May 24
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$291 Roundtrip, found 6 days ago
$291
Roundtrip
found 6 days ago
Select United flight, departing Wed, May 20 from Newark Liberty Intl. Airport to John Wayne, returning Sun, May 24, priced at $291 found 6 days ago
Wed, Feb 25 - Mon, Mar 2
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$293 Roundtrip, found 1 day ago
$293
Roundtrip
found 1 day ago
Select United flight, departing Wed, Feb 25 from Newark Liberty Intl. Airport to John Wayne, returning Mon, Mar 2, priced at $293 found 1 day ago
Wed, Feb 18 - Tue, Mar 10
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$297 Roundtrip, found 3 days ago
$297
Roundtrip
found 3 days ago
Select United flight, departing Wed, Feb 18 from Newark Liberty Intl. Airport to John Wayne, returning Tue, Mar 10, priced at $297 found 3 days ago
Wed, Apr 22 - Mon, Apr 27
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$299 Roundtrip, found 22 hours ago
$299
Roundtrip
found 22 hours ago
Select United flight, departing Wed, Apr 22 from Newark Liberty Intl. Airport to John Wayne, returning Mon, Apr 27, priced at $299 found 22 hours ago
Wed, May 20 - Thu, May 28
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$300 Roundtrip, found 5 days ago
$300
Roundtrip
found 5 days ago
Select United flight, departing Wed, May 20 from Newark Liberty Intl. Airport to John Wayne, returning Thu, May 28, priced at $300 found 5 days ago
Tue, Mar 17 - Mon, Mar 23
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$303 Roundtrip, found 1 day ago
$303
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 17 from Newark Liberty Intl. Airport to John Wayne, returning Mon, Mar 23, priced at $303 found 1 day ago
Fri, Mar 13 - Mon, Mar 23
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$306 Roundtrip, found 16 hours ago
$306
Roundtrip
found 16 hours ago
Select United flight, departing Fri, Mar 13 from Newark Liberty Intl. Airport to John Wayne, returning Mon, Mar 23, priced at $306 found 16 hours ago
Fri, Feb 20 - Fri, Feb 27
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$321 Roundtrip, found 2 days ago
$321
Roundtrip
found 2 days ago
Select United flight, departing Fri, Feb 20 from Newark Liberty Intl. Airport to John Wayne, returning Fri, Feb 27, priced at $321 found 2 days ago
Thu, Mar 12 - Tue, Mar 17
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$321 Roundtrip, found 5 days ago
$321
Roundtrip
found 5 days ago
Select United flight, departing Thu, Mar 12 from Newark Liberty Intl. Airport to John Wayne, returning Tue, Mar 17, priced at $321 found 5 days ago
Sat, Feb 28 - Mon, Mar 9
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$324 Roundtrip, found 6 days ago
$324
Roundtrip
found 6 days ago
Select United flight, departing Sat, Feb 28 from Newark Liberty Intl. Airport to John Wayne, returning Mon, Mar 9, priced at $324 found 6 days ago
Wed, May 20 - Fri, May 29
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$325 Roundtrip, found 6 days ago
$325
Roundtrip
found 6 days ago
Select United flight, departing Wed, May 20 from Newark Liberty Intl. Airport to John Wayne, returning Fri, May 29, priced at $325 found 6 days ago
Wed, May 20 - Thu, May 28
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$326 Roundtrip, found 5 days ago
$326
Roundtrip
found 5 days ago
Select United flight, departing Wed, May 20 from Newark Liberty Intl. Airport to John Wayne, returning Thu, May 28, priced at $326 found 5 days ago
Tue, Mar 17 - Tue, Mar 24
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$327 Roundtrip, found 17 hours ago
$327
Roundtrip
found 17 hours ago
Select United flight, departing Tue, Mar 17 from Newark Liberty Intl. Airport to John Wayne, returning Tue, Mar 24, priced at $327 found 17 hours ago
Thu, Nov 19 - Mon, Nov 23
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$329 Roundtrip, found 3 hours ago
$329
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Nov 19 from Newark Liberty Intl. Airport to John Wayne, returning Mon, Nov 23, priced at $329 found 3 hours ago
Tue, Mar 17 - Mon, Mar 23
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$330 Roundtrip, found 1 day ago
$330
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 17 from Newark Liberty Intl. Airport to John Wayne, returning Mon, Mar 23, priced at $330 found 1 day ago
Sat, Mar 14 - Mon, Mar 23
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$341 Roundtrip, found 4 hours ago
$341
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Mar 14 from Newark Liberty Intl. Airport to John Wayne, returning Mon, Mar 23, priced at $341 found 4 hours ago

Frequently asked questions

What route does flight number UA543 take?
UA543 is used on multiple routes. Mostly, UA543 flies straight from ORD to Northwest Florida Beaches Intl. Airport (ECP). If that's your chosen flight path, you'll be in the air for about 2 hours and 3 minutes.
What terminal does UA543 fly out of?
Terminal 1 is where you'll most likely board from if you're booked on a flight from O'Hare Intl. Airport (ORD). ORD to Northwest Florida Beaches Intl. Airport is the most frequently traveled route for flight number UA543.
What kind of plane is on flight number UA543?
If you're taking flight UA543 from Chicago, IL Airport (ORD-O'Hare Intl.) to ECP, you'll most likely be traveling aboard an Airbus A319. This flight number serves multiple routes, but this is the most popular one.
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 UA543 flight with Travelocity, please visit our Customer Service Portal.