Cheap flights from Washington, D.C. Reagan-National Airport to Chicago from $79
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 Chicago departing on 8/4. 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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Frontier flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport
Our best Frontier deals on Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flight tickets
United Airlines flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport
Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flight tickets
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How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport?
The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $283.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $392. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. Reagan-National Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $505.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from Washington, D.C. Reagan-National Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $332 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $450. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Washington, D.C. Reagan-National to Chicago O'Hare Intl flight route?
Fly from Washington, D.C. Reagan-National to Chicago O'Hare Intl for the best Washington, D.C. Reagan-National - Chicago O'Hare Intl flight prices
How far in advance should I book a flight to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $307 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Washington, D.C. Reagan-National Airport for as low as $249 on momondo.
What cabin class options are available on Washington, D.C. Reagan-National to Chicago O'Hare Intl flights?
There are 4 cabin classes available to choose from on Washington, D.C. Reagan-National to Chicago O'Hare Intl 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 Chicago O'Hare Intl?
United Airlines, American Airlines, and Frontier are the most popular carriers operating from Washington, D.C. Reagan-National to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Washington, D.C. Reagan-National Airport according to our data. American Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 3 different airlines that fly to Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport on average per day?
The number of flights available between Washington, D.C. Reagan-National Airport and Chicago O'Hare Intl Airport is 30 per day as of July 2025. The most frequent departure time is 5:00PM, with 52% of daily flights leaving in the afternoon.
How many flights depart from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport on average per week?
As of July 2025, 210 flights take off from Washington, D.C. Reagan-National Airport and land in Chicago O'Hare Intl Airport each week. The most common flight departure day for this route is Wed, with 23% of weekly flights taking off on this day.
When to book flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport
Cheap Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport (DCA to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport
How far is Washington, D.C. Reagan-National to Chicago O'Hare Intl by plane?
A flight from Washington, D.C. Reagan-National to Chicago O'Hare Intl will travel around 610.2 mi. Flights usually cover this in 2h 13m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport?
Prices for flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport?
As of July 2025, there are 3 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport?
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 Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents required for your trip to Chicago O'Hare 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 Chicago O'Hare 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 Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between Washington, D.C. Reagan-National Airport and Chicago O'Hare Intl Airport, the leading plane model is Boeing 737-800, making up 14.93% of the total bookings. Other popular models include Airbus A319 with 14.70%, Airbus A320-100/200 with 13.22%, and Boeing 737 MAX 8 with 8.00%.
What is the most popular airline from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport is American Airlines (57% of total bookings). The next most popular airlines are United Airlines (42%) and Frontier (1%).
Best airlines flying from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $101 | Free Cancellation | Rating 5.9 3,291 reviews | |||
| PriceFrom $159 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $191 | Free Cancellation | Rating 7.4 8,858 reviews |
United Airlines Flights From Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport
United Airlines operates around 53 flights from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been $325, but momondo users have found United Airlines deals from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport from as low as $191 round-trip. United Airlines has been scored 7.4/10 in 8,858 reviews.
American Airlines Flights From Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport
The best American Airlines deal for Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was $159, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $296 round-trip. American Airlines operates 23 flights out of Washington, D.C. Reagan-National Airport into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 10,000 American Airlines reviews by users on momondo have scored the airline at 7.2/10.
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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 Washington, D.C. to Chicago for you.
Can I find flights from Washington, D.C. to Chicago with flexible booking policies on momondo?
momondo does allow users to show only those flights to Chicago from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Washington, D.C. to Chicago?
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 Chicago.
I’m not ready to book a flight from Washington, D.C. to Chicago right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Washington, D.C. to Chicago 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.