Cheap flights from Illinois to Washington, D.C. Reagan-National Airport 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 Illinois to Washington, D.C. Reagan-National Airport departing on 3/29. 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 Illinois to Washington, D.C. Reagan-National Airport
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Southwest flights from Illinois to Washington, D.C. Reagan-National Airport
Our best Southwest deals on Illinois to Washington, D.C. Reagan-National Airport flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Illinois to Washington, D.C. Reagan-National Airport
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 Washington, D.C. Reagan-National Airport?
The month of August is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Illinois, with most prices found around $257. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $260.
What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?
The cheapest day to depart from Illinois to Washington, D.C. Reagan-National Airport is on a Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $273. Flights from Illinois to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $364. 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 Washington, D.C. Reagan-National Airport?
Our data shows that the cheapest Illinois to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as $289. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the afternoon when prices are around $303.
What is the cheapest Illinois to Washington, D.C. Reagan-National flight route?
Fly from Chicago Midway to Washington, D.C. Reagan-National for the best Illinois - Washington, D.C. Reagan-National flight prices
How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?
You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Illinois when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $290 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Illinois for as low as $175 on momondo.
What cabin class options are available on Illinois to Washington, D.C. Reagan-National flights?
There are 4 cabin classes available to choose from on Illinois to Washington, D.C. Reagan-National 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 Illinois to Washington, D.C. Reagan-National?
United Airlines, Southwest, and American Airlines are the most popular carriers operating from Illinois to Washington, D.C. Reagan-National
What airlines fly to Washington, D.C. Reagan-National Airport?
American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Illinois according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to Washington, D.C. Reagan-National Airport on average per day?
As of February 2025, 35 flights take off from Illinois and land in Washington, D.C. Reagan-National Airport each day. The most common flight departure time for this route is 4:00PM, with 38% of daily flights taking off at noon.
How many flights depart from Illinois to Washington, D.C. Reagan-National Airport on average per week?
As of February 2025, there are 250 flights per week flying from Illinois to Washington, D.C. Reagan-National Airport. The most common day of the week flights depart is Wed, with 23% of flights taking off on this day.
Cheap Illinois to Washington, D.C. Reagan-National Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Washington, D.C. Reagan-National Airport
When did momondo last update prices for flights from Illinois to Washington, D.C. Reagan-National Airport?
Prices for flights from Illinois to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Washington, D.C. Reagan-National Airport?
As of February 2025, there are 5 operators available to choose from for flights from Illinois to Washington, D.C. Reagan-National Airport.
How old do you have to be to fly from Illinois to Washington, D.C. Reagan-National 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 Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Washington, D.C. Reagan-National Airport is Boeing 737-800 (19.24% of total bookings). The next most popular plane models are Airbus A319 (17.55%), Airbus A320-100/200 (15.99%), and Boeing 737 MAX 8 (9.29%).
Best airlines flying from Illinois to Washington, D.C. Reagan-National Airport
Compare and see reviews for airlines that fly from Illinois to Washington, D.C. Reagan-National Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $58 | Free Cancellation | Rating 6.0 3,337 reviews | |||
| PriceFrom $155 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $174 | Free Cancellation | Rating 7.4 8,732 reviews | |||
| PriceFrom $175 | Free Cancellation | Rating 8.0 8,151 reviews | |||
| PriceFrom $177 | Free Cancellation | Rating 8.1 4,369 reviews |
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Illinois to Washington, D.C.?
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 Washington, D.C. from Illinois.
Can I find flights from Illinois to Washington, D.C. with flexible booking policies on momondo?
momondo does allow users to show only those flights to Washington, D.C. from Illinois which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Illinois to Washington, D.C.?
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 Illinois to Washington, D.C..
I’m not ready to book a flight from Illinois to Washington, D.C. right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Illinois to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.