Cheap flights from Chicago to Washington, D.C. from $121
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Washington, D.C. departing on 12/5. 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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Not ready to book? to track prices.Delta flights from Chicago to Washington, D.C. Reagan-National Airport
Our best Delta deals on Chicago to Washington, D.C. Reagan-National Airport flight tickets
Frontier flights from Chicago to Washington, D.C. Reagan-National Airport
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Fly from
Fly to
Route
Depart
Return
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Wed 11/11
6:30 am-12:09 pm
1 stop28h 39m
Washington, D.C. Reagan-National
Fri 11/13
6:00 pm-12:21 am
1 stop7h 21m
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Thu 11/5
6:30 am-9:50 pm
1 stop14h 20m
Washington, D.C. Reagan-National
Fri 11/6
7:00 am-12:21 am
1 stop18h 21m
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Sat 10/31
1:00 pm-8:09 pm
1 stop6h 09m
Washington, D.C. Reagan-National
Mon 11/2
2:06 pm-7:17 pm
1 stop6h 11m
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Tue 10/27
1:00 pm-8:09 pm
1 stop6h 09m
Washington, D.C. Reagan-National
Thu 10/29
1:09 pm-7:29 pm
1 stop7h 20m
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Thu 11/5
9:00 am-12:05 pm
Nonstop2h 05m
Washington, D.C. Reagan-National
Thu 11/12
11:49 am-1:12 pm
Nonstop2h 23m
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Sat 10/31
7:00 am-9:56 am
Nonstop1h 56m
Washington, D.C. Reagan-National
Mon 11/2
6:25 am-7:43 am
Nonstop2h 18m
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Sat 11/7
11:05 am-1:55 pm
Nonstop1h 50m
Washington, D.C. Reagan-National
Sat 11/7
6:50 pm-8:05 pm
Nonstop2h 15m
ChicagoWashington, D.C.
MDW Chicago Midway - DCA Washington, D.C. Reagan-National
MDWDCA
Chicago Midway
Thu 11/5
12:25 pm-3:15 pm
Nonstop1h 50m
Washington, D.C. Reagan-National
Thu 11/12
6:10 am-7:15 am
Nonstop2h 05m
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Sat 12/19
7:07 am-10:15 am
Nonstop2h 08m
Washington, D.C. Reagan-National
Sat 1/9
3:56 pm-5:26 pm
Nonstop2h 30m
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Thu 11/5
12:59 pm-4:06 pm
Nonstop2h 07m
Washington, D.C. Reagan-National
Mon 11/9
8:39 am-10:05 am
Nonstop2h 26m
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Chicago 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 typical price of a round-trip flight between Chicago and Washington, D.C. Reagan-National Airport?
Prices are currently low for flights on this route.
Typical prices usually range from $252 to $415.The lowest price recently found on this route was $200.
What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?
The month of December is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Chicago, with most prices found around $337. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of December, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $353.
What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?
The cheapest day to depart from Chicago to Washington, D.C. Reagan-National Airport is on a Saturday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Saturday will often find tickets for as low as $311. Flights from Chicago to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $497. 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 Chicago to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the morning. Our users have found flights to Washington, D.C. Reagan-National Airport in the morning for as low as $381. 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 $482.
What is the cheapest Chicago to Washington, D.C. Reagan-National flight route?
Fly from Chicago O'Hare Intl to Washington, D.C. Reagan-National for the best Chicago - Washington, D.C. Reagan-National flight prices
How far in advance should I book a flight from Chicago to Washington, D.C. Reagan-National Airport?
You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $405 when searching 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 Chicago for as low as $291 on momondo.
What cabin class options are available on Chicago to Washington, D.C. Reagan-National Airport flights?
There are 4 cabin classes available to choose from on Chicago to Washington, D.C. Reagan-National Airport 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 Chicago to Washington, D.C. Reagan-National Airport flights?
No. A direct flight is the cheapest option for a flight between Chicago to Washington, D.C. Reagan-National Airport.
How have Chicago to Washington, D.C. Reagan-National Airport flight prices changed over time?
As of October 2026, prices for Chicago to Washington, D.C. Reagan-National Airport flights are approximately 7% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Chicago to Washington, D.C. Reagan-National?
Delta, JetBlue, and United Airlines are the most popular carriers operating from Chicago to Washington, D.C. Reagan-National
What airlines fly to Washington, D.C. Reagan-National Airport?
United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Chicago according to our data. United Airlines is the first choice among our users, with 61% 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 often are flights from Chicago to Washington, D.C. delayed?
Historically, on average around 23% of flights between Chicago and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 133 minutes.
What is the most punctual flight time for Chicago to Washington, D.C. flights?
Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.
What day of the week experiences the fewest flight delays on this route?
Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.
Which airline has the best punctuality record on Chicago to Washington, D.C. flights?
According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 23% of their flights experiencing any sort of delay.
How many flights depart from Chicago to Washington, D.C. Reagan-National Airport on average per day?
As of October 2026, 52 flights take off from Chicago and land in Washington, D.C. Reagan-National Airport each day. The most common flight departure time for this route is 4:00PM, with 40% of daily flights taking off at noon.
How many flights depart from Chicago to Washington, D.C. Reagan-National Airport on average per week?
As of October 2026, there are 365 flights per week flying from Chicago to Washington, D.C. Reagan-National Airport. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.
When to book flights from Chicago to Washington, D.C. Reagan-National Airport
Cheap Chicago to Washington, D.C. Reagan-National Airport (CHI to DCA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Washington, D.C. Reagan-National Airport
Frequently asked questions about flying from Chicago to Washington, D.C. Reagan-National Airport
How far is Chicago to Washington, D.C. Reagan-National by plane?
The distance between Chicago and Washington, D.C. Reagan-National is about 594.5 mi. 1h 41m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago to Washington, D.C. Reagan-National Airport?
Prices for flights from Chicago to Washington, D.C. Reagan-National Airport are updated daily.
How many operators does momondo search for flights from Chicago to Washington, D.C. Reagan-National Airport?
There are 5 operators available for flights from Chicago to Washington, D.C. Reagan-National Airport as of October 2026.
How old do you have to be to fly from Chicago 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 Chicago to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The necessary travel and health documents for your Washington, D.C. Reagan-National Airport 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 Chicago to Washington, D.C. Reagan-National Airport?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Washington, D.C. Reagan-National Airport is Boeing 737-800, representing 18.68% of all bookings. The subsequent popular models are Airbus A319 at 16.26%, Boeing 737-700 at 12.67%, and Boeing 737 MAX 8 at 10.23%.
What is the most popular airline from Chicago to Washington, D.C. Reagan-National Airport?
momondo data reveals that the most frequently booked airline on the route from Chicago to Washington, D.C. Reagan-National Airport is United Airlines, representing 53% of all bookings. The subsequent popular airlines are Southwest at 25% and American Airlines at 22%.
Best airlines flying from Chicago to Washington, D.C. Reagan-National Airport
Compare and see reviews for airlines that fly from Chicago to Washington, D.C. Reagan-National Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $141 | Free Cancellation | Rating 7.1 3,050 reviews | |||
| PriceFrom $185 | Free Cancellation | Rating 5.5 2,542 reviews | |||
| PriceFrom $196 | Free Cancellation | Rating 7.0 12,158 reviews | |||
| PriceFrom $199 | Free Cancellation | Rating 7.9 4,216 reviews | |||
| PriceFrom $245 | Free Cancellation | Rating 7.4 10,350 reviews |
Southwest Flights From Chicago to Washington, D.C. Reagan-National Airport
Southwest flight deals from Chicago to Washington, D.C. Reagan-National Airport start from $199 round-trip. Over the 19 Southwest flights for this route in a normal week, average airfare is usually $419 round-trip - but some users have found much cheaper deals with momondo.
United Airlines Flights From Chicago to Washington, D.C. Reagan-National Airport
Across 10,350 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Washington, D.C. Reagan-National Airport about 64 times each week, with ticket deals ranging from $245 to $460. Price data is based on momondo searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Chicago to Washington, D.C.?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Chicago to Washington, D.C. with flexible booking policies on momondo?
momondo does allow users to show only those flights to Washington, D.C. from Chicago which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Chicago to Washington, D.C.?
Once all potential Chicago to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Chicago to Washington, D.C. right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Chicago to Washington, D.C. 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.