Cheap flights from Ontario to Harlingen from $210
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Harlingen departing on 7/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Ontario to Harlingen, Texas
Our best United Airlines deals on Ontario to Harlingen, Texas flight tickets
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How to get the cheapest flight ticket from Ontario to Harlingen, Texas
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Harlingen, Texas?
The cheapest day to depart on your flight to Harlingen, Texas is on a Wednesday when prices can be found for as low as $285. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Harlingen, Texas for around $488.
What is the cheapest time of day to depart on your flight to Harlingen, Texas?
Our most recent data shows that the best time of day to fly to Harlingen, Texas is at noon. Flights from Ontario to Harlingen, Texas during this time can be as low as $293. Flights in the morning are often more expensive with an average ticket price of $415.
What is the cheapest airline that flies from Ontario to Harlingen Valley Intl?
American Airlines and United Airlines are the most popular carriers operating from Ontario to Harlingen Valley Intl
What airlines fly to Harlingen, Texas?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Harlingen, Texas from Ontario according to our data. American Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Harlingen, Texas. Keep in mind that there are 4 different airlines that fly to Harlingen, Texas on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Harlingen, Texas
Cheap Ontario to Harlingen, Texas (ONT to HRL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Harlingen, Texas
Best Price Found | $210 |
|---|---|
Fastest flight time | 5h 20m |
Direct flights | None |
Airports in Harlingen, Texas | 1 airport |
How far is Ontario to Harlingen Valley Intl by plane?
The straight-line distance from Ontario to Harlingen Valley Intl is 1306.7 mi. By plane, this route typically takes 7h 45m.
When did momondo last update prices for flights from Ontario Airport to Harlingen Valley Intl Airport?
Prices for flights from Ontario Airport to Harlingen Valley Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Harlingen Valley Intl Airport?
As of June 2025, there is 1 operator available to choose from for flights from Ontario Airport to Harlingen Valley Intl Airport.
How old do you have to be to fly from Ontario Airport to Harlingen Valley Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Harlingen Valley Intl Airport.
What documentation or ID do you need to fly to Harlingen Valley Intl Airport?
The necessary travel and health documents for your Harlingen Valley Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Harlingen, Texas?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Harlingen, Texas is American Airlines (100% of total bookings).
Best airlines flying from Ontario to Harlingen, Texas
Compare and see reviews for airlines that fly from Ontario to Harlingen, Texas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $174 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Harlingen?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Harlingen from Ontario.
Can I find flights from Ontario to Harlingen with flexible booking policies on momondo?
momondo does allow users to show only those flights to Harlingen from Ontario which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Ontario to Harlingen?
Once you have performed a search for Ontario to Harlingen flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Ontario to Harlingen right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ontario to Harlingen now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Harlingen and let you know when they change.