$140 Cheap Flights from Ontario Intl. Airport (ONT) to New Orleans (MSY)

Ontario (ONT) to New Orleans (MSY) at a glance

Travel from Ontario (ONT) to New Orleans (MSY) with a selection of airlines catering to this domestic short-haul route. You can choose between full-service and low-cost carriers to find the best flight options that align with your budget and schedule. As you plan your visit to experience the vibrant sights and neighborhoods of New Orleans, check out key details for flights from Ontario to New Orleans, including flight prices and itineraries that suit your travel plans.

• Fastest flight duration: around 5h 15m non-stop
• Route distance: roughly 1,600 miles (2,570 km)
• Flights per week: around 15+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $120–$430, depending on seasonality and how far ahead you book

Flights from Los Angeles - Ontario International Airport (ONT) to Louis Armstrong New Orleans International Airport (MSY)

According to recent traveler bookings, here are the top airlines favored for flights from Ontario to New Orleans, featuring both non-stop and one-stop options. Many travelers opt for popular layover airports, such as Dallas-Fort Worth International Airport (DFW) with a layover of around 1 hour and 45 minutes, Sky Harbor International Airport (PHX) with about a 1-hour layover, and George Bush Intercontinental Airport (IAH) offering a 45-minute layover. This variety allows you to customize your journey based on price, total travel time, and cabin class for the ideal itinerary.

• American Airlines: This full-service airline provides one-stop options, with one-way ticket prices generally falling between $125 and $455. It represents around 41% of all departures on this route, featuring an in-air duration of 4 hours and 30 minutes, and a complete travel time of about 5 hours and 45 minutes, including layovers.
• Southwest Airlines: As a low-cost airline, Southwest offers both non-stop and one-stop flights, with one-way fares typically ranging from $120 to $430. It accounts for about 25% of departures on this route, with a standard one-stop flight time of 4 hours and 30 minutes and a total journey time nearing 5 hours and 45 minutes.
• United: Another full-service airline, United provides one-stop service with one-way fares usually between $125 and $470. It manages approximately 17% of departures on this route, presenting an in-flight duration of 4 hours and 30 minutes, along with a total travel time of roughly 5 hours and 45 minutes, including layovers.
• Delta: This full-service airline offers one-stop flights, with one-way fare prices typically ranging from $140 to $440. Delta accounts for around 10% of departures on this route, boasting an in-flight time of 4 hours and 30 minutes and a total journey duration of about 5 hours and 45 minutes, including layovers.
• Frontier Airlines: A low-cost carrier, Frontier offers one-stop service, with one-way fares generally between $120 and $345. It makes up roughly 5% of all departures on this route, featuring a flight time of 4 hours and 30 minutes and a total travel time of approximately 5 hours and 45 minutes, including layovers.

Travelers flying from Ontario to New Orleans have the option to enhance their experience by upgrading their flight. Leading airlines include American Airlines and United, both offering first-class service, while Delta provides travelers with both first-class and premium economy class options.

Best time to fly from Ontario (ONT) to New Orleans (MSY)

The most popular months for travelers flying from Ontario to New Orleans are February, March, and April, when peak temperatures in New Orleans reach up to 69.8°F in April. If you prefer quieter travel, consider August, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 83.8°F. For better deals, May usually offers the lowest average one-way fare around $221. Flight availability peaks in February, with approximately 22 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: May usually offers good deals with average one-way fare around $221, roughly 7% cheaper than the yearly average.
• More budget-friendly months to fly: July, August, and October typically offer average one-way fares of around $228.
• Most flight options: February has the highest number of flights from Ontario to New Orleans, with approximately 22 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Ontario (ONT) to New Orleans (MSY)

• Ontario to Baton Rouge (ONT-BTR): Baton Rouge Metropolitan Airport (BTR) is approximately 66 miles from Louis Armstrong New Orleans International Airport (MSY). One-way economy fares for this route generally fall between $145 and $485, influenced by the season and timing of your booking. Typically, this route features one-stop options, with common layover points at Dallas-Fort Worth International Airport (DFW) and George Bush Intercontinental Airport (IAH). Major airlines operating on this route include American Airlines and United. Additionally, first-class service is offered.
• Orange County to New Orleans (SNA-MSY): John Wayne Airport (SNA) is about 31 miles from Los Angeles - Ontario International Airport (ONT). Economy fares for one-way trips on this route usually range from $135 to $450, depending on seasonal demand and how early you secure your tickets. This route commonly includes one-stop flights, with popular layover airports such as Dallas-Fort Worth International Airport (DFW) and Sky Harbor International Airport (PHX). American Airlines and United are the leading carriers for this route, with first-class available as well.

How to find the best prices for flights from Ontario (ONT) to New Orleans (MSY)

Getting some of the best deals on flights from Ontario to New Orleans is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Early morning departures (12am-5am) often offer lower prices, while morning flights (5am-12pm) are the most popular. Additionally, flying on Tuesday generally provides cheaper rates, although Thursday is the busiest travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Louis Armstrong New Orleans International Airport from Los Angeles - Ontario International Airport

New Orleans welcomes travelers from Ontario with a range of transport options based on price, convenience, and proximity. New Orleans city center is approximately a 20-minute drive (covering about 14 miles) from Louis Armstrong New Orleans International Airport, depending on traffic. Here's how to reach New Orleans efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in New Orleans, with private rides that can be arranged in advance.
• Car rental: Renting a car from Louis Armstrong New Orleans International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Louis Armstrong New Orleans International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Louis Armstrong New Orleans International Airport, South Carrollton at Saint Charles Stop, a metro station, is located about 8 miles from the airport.

Ontario Intl. Airport to New Orleans Flights

The cheapest times to fly from Ontario Intl. Airport to New Orleans

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario Intl. Airport to New Orleans are during the month of November. You can find some of the cheapest flights from Ontario Intl. Airport to New Orleans with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Ontario Intl. Airport to New Orleans

Sunday is one of the best days to book for cheap flights from Ontario Intl. Airport to New Orleans: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Ontario Intl. Airport to New Orleans

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario Intl. Airport to New Orleans in 2026. You can also book with separate airlines for your outbound and return journeys, from $140 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario Intl. Airport to New Orleans flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario Intl. Airport to New Orleans airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.