Cheap flights from Illinois to Harlingen from $135
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Harlingen departing on 7/24. 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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American Airlines flights from Illinois to Harlingen, Texas
Our best American Airlines deals on Illinois to Harlingen, Texas flight tickets
United Airlines flights from Illinois to Harlingen, Texas
Our best United Airlines deals on Illinois to Harlingen, Texas flight tickets
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How to get the cheapest flight ticket from Illinois 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 month to fly to Harlingen, Texas?
The month of April is, on average, the cheapest month to fly to Harlingen, Texas from Illinois, with most prices found around $273. If you are unable to visit Harlingen, Texas during the month of April, then departing from Illinois during the month September is also very affordable. Most momondo users find prices during this month for around $278.
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 $295. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Harlingen, Texas for around $482.
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 in the evening. Flights from Illinois to Harlingen, Texas during this time can be as low as $347. Flights in the morning are often more expensive with an average ticket price of $419.
What is the cheapest Illinois to Harlingen Valley Intl flight route?
Fly from Chicago O'Hare Intl to Harlingen Valley Intl for the best Illinois - Harlingen Valley Intl flight prices
What cabin class options are available on Illinois to Harlingen Valley Intl flights?
There are 1 cabin classes available to choose from on Illinois to Harlingen Valley Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Illinois to Harlingen, Texas flights?
You could potentially save up to 44% on your flight if you consider stops on a Illinois to Harlingen, Texas flight.
What is the cheapest airline that flies from Illinois to Harlingen Valley Intl?
Southwest, American Airlines, and United Airlines are the most popular carriers operating from Illinois to Harlingen Valley Intl
What airlines fly to Harlingen, Texas?
American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Harlingen, Texas from Illinois according to our data. American Airlines is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Harlingen, Texas. Keep in mind that there are 3 different airlines that fly to Harlingen, Texas on a routine basis, so you have a few additional options to choose from.
Cheap Illinois to Harlingen, Texas flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Harlingen, Texas
Best Price Found | $135 |
|---|---|
Fastest flight time | 3h 58m |
Direct flights | None |
Airports in Harlingen, Texas | 1 airport |
When did momondo last update prices for flights from Illinois to Harlingen Valley Intl Airport?
Prices for flights from Illinois to Harlingen Valley Intl Airport were last updated today.
How many operators does momondo search for flights from Illinois to Harlingen Valley Intl Airport?
The number of operators available for flights from Illinois to Harlingen Valley Intl Airport is 4 as of June 2025.
How old do you have to be to fly from Illinois to Harlingen Valley Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Harlingen Valley Intl Airport.
What documentation or ID do you need to fly to Harlingen Valley Intl Airport?
The travel and health documents required for your trip to Harlingen Valley Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Harlingen Valley Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Illinois to Harlingen, Texas?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Harlingen, Texas is Embraer 175 (Enhanced Winglets), representing 100.00% of all bookings.
Best airlines flying from Illinois to Harlingen, Texas
Compare and see reviews for airlines that fly from Illinois to Harlingen, Texas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $208 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $226 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Harlingen?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Harlingen for you.
Can I find flights from Illinois to Harlingen with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Harlingen from Illinois with this policy.
How can momondo help me find flights from Illinois to Harlingen?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Harlingen from Illinois.
I’m not ready to book a flight from Illinois to Harlingen right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Harlingen, momondo offers a useful price alert feature which will track prices for flights to Harlingen from Illinois and alert you when they change.