United Flight 420 Deals & Information (2025/2026)

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United Flight 420 Route Deals From $298

The cheapest prices found with in the last 7 days for return flights were $518 and $298 for one-way flights to Punta Cana Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Feb 1 - Thu, Feb 5
IAH
George Bush Intercontinental
PUJ
Punta Cana Intl.
$518 Roundtrip, found 2 days ago
$518
Roundtrip
found 2 days ago
Select United flight, departing Sun, Feb 1 from George Bush Intercontinental to Punta Cana Intl., returning Thu, Feb 5, priced at $518 found 2 days ago
Fri, Apr 24 - Tue, Apr 28
IAH
George Bush Intercontinental
PUJ
Punta Cana Intl.
$554 Roundtrip, found 21 hours ago
$554
Roundtrip
found 21 hours ago
Select United flight, departing Fri, Apr 24 from George Bush Intercontinental to Punta Cana Intl., returning Tue, Apr 28, priced at $554 found 21 hours ago

Frequently asked questions

What route does flight number UA420 take?
UA420 jets from New Orleans, LA Airport (MSY-Louis Armstrong New Orleans Intl.) to George Bush Intercontinental Airport (IAH) directly. This trip takes 1 hour and 14 minutes.
How often is UA420 on time?
Roughly 91% of UA420 flights arrive on time — so if you're taking to the skies from Louis Armstrong New Orleans Intl. Airport to Houston, TX Airport (IAH-George Bush Intercontinental), you can be confident that you will touch down at your destination ASAP. On the odd occasion that your United Airlines plane runs behind time, the average wait time is approximately 1 hour and 23 minutes. Because of the carrier's exceptional service, this route has a 2.2-star rating.
What kind of plane is on flight number UA420?
Get ready to cruise the skies aboard a Boeing 737-900 if you've booked a seat on flight UA420. Nearly all services from Louis Armstrong New Orleans Intl. Airport to George Bush Intercontinental Airport (IAH) operate 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 UA420 flight with Travelocity, please visit our Customer Service Portal.