Cheap flights from Washington, D.C. Reagan-National Airport to Illinois from $68
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Illinois departing on 4/1. 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 Washington, D.C. Reagan-National Airport to Illinois
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United Airlines flights from Washington, D.C. Reagan-National Airport to Illinois
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How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport is in September. Flight prices, which tend to average around $263, 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 September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $291.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Washington, D.C. Reagan-National Airport to Illinois is on a Wednesday when prices can be found for as low as $401. Flights from Washington, D.C. Reagan-National Airport to Illinois on a Sunday will generally be more expensive and average around $498. 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 evening. Flights from Washington, D.C. Reagan-National Airport to Illinois during this time can be as low as $358. Flights at noon are often more expensive with an average ticket price of $458.
What is the cheapest Washington, D.C. Reagan-National to Illinois flight route?
Fly from Washington, D.C. Reagan-National to Chicago Midway for the best Washington, D.C. Reagan-National - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Washington, D.C. Reagan-National Airport when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $323 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Washington, D.C. Reagan-National Airport for as low as $165 on momondo.
What cabin class options are available on Washington, D.C. Reagan-National to Illinois flights?
There are 4 cabin classes available to choose from on Washington, D.C. Reagan-National to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Washington, D.C. Reagan-National to Illinois?
United Airlines, Southwest, and American Airlines are the most popular carriers operating from Washington, D.C. Reagan-National 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 Washington, D.C. Reagan-National Airport according to our data. American Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Washington, D.C. Reagan-National Airport to Illinois on average per day?
As of February 2025, 37 flights take off from Washington, D.C. Reagan-National Airport and land in Illinois each day. The most common flight departure time for this route is 6:00AM, with 49% of daily flights taking off at noon.
How many flights depart from Washington, D.C. Reagan-National Airport to Illinois on average per week?
259 flights are operational weekly from Washington, D.C. Reagan-National Airport to Illinois as of February 2025. The most popular departure day for this route is Wed, with 22% of flights per week taking off on this day.
Cheap Washington, D.C. Reagan-National Airport to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Illinois
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Illinois?
Prices for flights from Washington, D.C. Reagan-National Airport to Illinois refresh daily.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Illinois?
As of February 2025, there are 5 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to Illinois.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois 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 Illinois. 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 Washington, D.C. Reagan-National Airport to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. Reagan-National Airport to Illinois is Boeing 737-800 (14.11% of total bookings). The next most popular plane models are Airbus A320-100/200 (14.09%), Airbus A319 (13.16%), and Boeing 737 MAX 8 (12.77%).
Best airlines flying from Washington, D.C. Reagan-National Airport to Illinois
Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $101 | Free Cancellation | Rating 6.0 3,337 reviews | |||
| PriceFrom $162 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $167 | Free Cancellation | Rating 8.1 4,369 reviews | |||
| PriceFrom $175 | Free Cancellation | Rating 8.0 8,149 reviews | |||
| PriceFrom $189 | Free Cancellation | Rating 7.4 8,733 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Illinois?
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 Illinois from Washington, D.C..
Can I find flights from Washington, D.C. to Illinois with flexible booking policies on momondo?
Flights from Washington, D.C. to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Washington, D.C. to Illinois?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Illinois.
I’m not ready to book a flight from Washington, D.C. to Illinois right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Illinois from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.