Cheap flights from Harlingen, Texas to Illinois from $126
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen, Texas to Illinois departing on 7/26. 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 Harlingen, Texas to Illinois
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United Airlines flights from Harlingen, Texas to Illinois
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How to get the cheapest flight ticket from Harlingen, Texas to Illinois
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 Illinois?
The cheapest month to fly to Illinois from Harlingen, Texas is in May. Flight prices, which tend to average around $233, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $267.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Harlingen, Texas to Illinois is on a Wednesday when prices can be found for as low as $263. Flights from Harlingen, Texas to Illinois on a Saturday will generally be more expensive and average around $531. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Harlingen, Texas to Illinois during this time can be as low as $351. Flights at noon are often more expensive with an average ticket price of $531.
What is the cheapest Harlingen Valley Intl to Illinois flight route?
Fly from Harlingen Valley Intl to Chicago O'Hare Intl for the best Harlingen Valley Intl - Illinois flight prices
What is the cheapest airline that flies from Harlingen Valley Intl to Illinois?
American Airlines, Southwest, and United Airlines are the most popular carriers operating from Harlingen Valley Intl to Illinois
What airlines fly to Illinois?
American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Harlingen, Texas according to our data. American Airlines is the first choice among our users, with 79% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
Cheap Harlingen, Texas to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Harlingen, Texas to Illinois
When did momondo last update prices for flights from Harlingen Valley Intl Airport to Illinois?
Prices for flights from Harlingen Valley Intl Airport to Illinois refresh daily.
How many operators does momondo search for flights from Harlingen Valley Intl Airport to Illinois?
The number of operators available for flights from Harlingen Valley Intl Airport to Illinois is 2 as of April 2025.
How old do you have to be to fly from Harlingen Valley Intl Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois 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 plane model from Harlingen, Texas to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Harlingen, Texas to Illinois is Embraer 175 (Enhanced Winglets), representing 50.00% of all bookings. The subsequent popular model is Embraer 170 at 50.00%.
Best airlines flying from Harlingen, Texas to Illinois
Compare and see reviews for airlines that fly from Harlingen, Texas to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $236 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $263 | Free Cancellation | Rating 8.0 4,292 reviews | |||
| PriceFrom $288 | Free Cancellation | Rating 7.4 8,694 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Harlingen to Illinois?
It is quick and easy to find Harlingen to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.
Can I find flights from Harlingen to Illinois with flexible booking policies on momondo?
Yes. All flights to Illinois from Harlingen on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Harlingen to Illinois?
momondo provides multiple filters to help you find the best flight to Illinois from Harlingen. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Harlingen to Illinois right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Harlingen to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.