Cheap flights from Chicago O'Hare Intl Airport to District of Columbia from $118
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 O'Hare Intl Airport to District of Columbia departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from Chicago O'Hare Intl Airport to District of Columbia
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Frontier flights from Chicago O'Hare Intl Airport to District of Columbia
Our best Frontier deals on Chicago O'Hare Intl Airport to District of Columbia flight tickets
United Airlines flights from Chicago O'Hare Intl Airport to District of Columbia
Our best United Airlines deals on Chicago O'Hare Intl Airport to District of Columbia flight tickets
momondo Fare Finder
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to District of Columbia that are best for you.
Fly from
Fly to
Route
Depart
Return
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - IAD Washington, D.C. Dulles Intl
ORDIAD
Chicago O'Hare Intl
Fri 10/30
7:50 pm-5:12 pm
1 stop20h 22m
Washington, D.C. Dulles Intl
Sun 11/1
7:40 am-9:14 am
1 stop26h 34m
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - IAD Washington, D.C. Dulles Intl
ORDIAD
Chicago O'Hare Intl
Fri 12/4
8:15 am-2:49 pm
1 stop5h 34m
Washington, D.C. Dulles Intl
Sun 12/6
10:33 pm-7:20 am
1 stop9h 47m
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
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 - IAD Washington, D.C. Dulles Intl
ORDIAD
Chicago O'Hare Intl
Mon 10/26
8:36 am-5:56 pm
2 stops8h 20m
Washington, D.C. Dulles Intl
Thu 10/29
6:07 pm-3:37 pm
1 stop22h 30m
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - IAD Washington, D.C. Dulles Intl
ORDIAD
Chicago O'Hare Intl
Wed 12/9
2:30 pm-5:32 pm
Nonstop2h 02m
Washington, D.C. Dulles Intl
Sat 12/12
8:15 am-9:37 am
Nonstop2h 22m
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - IAD Washington, D.C. Dulles Intl
ORDIAD
Chicago O'Hare Intl
Thu 11/5
8:50 am-11:52 am
Nonstop2h 02m
Washington, D.C. Dulles Intl
Thu 11/12
10:15 am-11:38 am
Nonstop2h 23m
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Thu 11/12
7:29 pm-10:27 pm
Nonstop1h 58m
Washington, D.C. Reagan-National
Mon 11/16
2:54 pm-4:18 pm
Nonstop2h 24m
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - DCA Washington, D.C. Reagan-National
ORDDCA
Chicago O'Hare Intl
Mon 11/2
7:31 pm-10:29 pm
Nonstop1h 58m
Washington, D.C. Reagan-National
Mon 11/9
12:53 pm-2:15 pm
Nonstop2h 22m
ChicagoWashington, D.C.
ORD Chicago O'Hare Intl - IAD Washington, D.C. Dulles Intl
ORDIAD
Chicago O'Hare Intl
Mon 10/26
8:36 am-5:56 pm
2 stops8h 20m
Washington, D.C. Dulles Intl
Thu 10/29
6:07 pm-3:37 pm
1 stop22h 30m
See travel insights to District of Columbia from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to District of Columbia
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 District of Columbia?
In general, December is the cheapest month to fly from Chicago O'Hare Intl Airport to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $335. If you don’t want to visit District of Columbia in December, then you should wait until November to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $343.
What is the cheapest day to depart on your flight to District of Columbia?
The cheapest day to depart on your flight to District of Columbia 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 Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $559.
What is the cheapest time of day to depart on your flight to District of Columbia?
Flying to District of Columbia from Chicago O'Hare Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $422 when looking at flights departing in the morning. Flights to District of Columbia are more costly at noon, with an average ticket price of $744. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Chicago O'Hare Intl to District of Columbia flight route?
Fly from Chicago O'Hare Intl to Baltimore/Washington for the best Chicago O'Hare Intl - District of Columbia flight prices
How far in advance should I book a flight from Chicago O'Hare Intl Airport to District of Columbia?
You are more likely to see cheaper flights to District of Columbia from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $376 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Chicago O'Hare Intl Airport for as low as $250 on momondo.
What cabin class options are available on Chicago O'Hare Intl Airport to District of Columbia flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport to District of Columbia 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 Chicago O'Hare Intl to District of Columbia?
Delta and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to District of Columbia
What airlines fly to District of Columbia?
United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to District of Columbia from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 66% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 4 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago O'Hare Intl Airport to District of Columbia on average per day?
As of October 2026, there are 83 flights per day flying from Chicago O'Hare Intl Airport to District of Columbia. The most common time of day flights depart is 10:00AM, with 40% of flights taking off at noon.
How many flights depart from Chicago O'Hare Intl Airport to District of Columbia on average per week?
As of October 2026, 586 flights take off from Chicago O'Hare Intl Airport and land in District of Columbia each week. The most common flight departure day for this route is Fri, with 16% of weekly flights taking off on this day.
Cheap Chicago O'Hare Intl Airport to District of Columbia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to District of Columbia
Frequently asked questions about flying from Chicago O'Hare Intl Airport to District of Columbia
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to District of Columbia?
Prices for flights from Chicago O'Hare Intl Airport to District of Columbia are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to District of Columbia?
There are 4 operators available for flights from Chicago O'Hare Intl Airport to District of Columbia as of October 2026.
How old do you have to be to fly from Chicago O'Hare Intl Airport to District of Columbia?
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 Chicago O'Hare Intl Airport to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The travel and health documents you'll need for your trip to District of Columbia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at District of Columbia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to District of Columbia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to District of Columbia is Boeing 737-800 (17.97% of total bookings). The next most popular plane models are Airbus A319 (14.35%), Boeing 737-700 (10.72%), and Boeing 737 MAX 8 (8.65%).
Best airlines flying from Chicago O'Hare Intl Airport to District of Columbia
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to District of Columbia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $56 | Free Cancellation | Rating 5.6 2,550 reviews | |||
| PriceFrom $141 | Free Cancellation | Rating 7.1 3,044 reviews | |||
| PriceFrom $170 | Free Cancellation | Rating 7.4 10,340 reviews | |||
| PriceFrom $196 | Free Cancellation | Rating 7.0 12,142 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to District of Columbia?
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 Chicago to District of Columbia for you.
Can I find flights from Chicago to District of Columbia with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to District of Columbia from Chicago with this policy.
How can momondo help me find flights from Chicago to District of Columbia?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to District of Columbia from Chicago.
I’m not ready to book a flight from Chicago to District of Columbia right now. Can momondo alert me if prices change?
Price alerts on flights to District of Columbia from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.