Question 1

What are the cheapest airlines flying from Chicago to Washington, D.C. round-trip?

Accepted Answer

Frontier, at £105, was found to be the cheapest airline from Chicago to Washington, D.C..Alternate airlines flying return to your destination include Southwest and Spirit Airlines. Frontier is 44% cheaper than the average price of flights available within the next 90 days to this destination.

Question 2

What are the cheapest airlines to fly from Chicago to Washington, D.C. one-way?

Accepted Answer

One-way options have recently been found by users for as low as £56 on Southwest. Other airlines that offer cheap prices include Spirit Airlines from £58 and United Airlines from £72 one-way.

Question 3

How far ahead should I book a flight from Chicago to Washington, D.C.?

Accepted Answer

To ensure you get the cheapest price possible for a flight from Chicago to Washington, D.C., you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 4

What is the cheapest month to book a flight from Chicago to Washington, D.C.?

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Chicago to Washington, D.C. (average of £565). Flying from Chicago to Washington, D.C. in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 5

What is the cheapest day to fly from Chicago to Washington, D.C.?

Accepted Answer

Travellers seeking maximum savings on their Chicago to Washington, D.C. flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

Weekly flight availability from Chicago to Washington, D.C.

Accepted Answer

The most flights from CHI to WAS are scheduled on a Thursday (72 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Question 9

What are the most popular routes from Chicago to Washington, D.C.?

Accepted Answer

The most popular route from Chicago to Washington, D.C. is Chicago O'Hare Intl - Baltimore/Washington. You may also consider Chicago O'Hare Intl - Washington, D.C. Reagan-National or Chicago O'Hare Intl - Washington, D.C. Dulles Intl.

Question 10

What are the most reliable airlines from Chicago to Washington, D.C.?

Accepted Answer

Before booking your flight to Washington, D.C. from Chicago, check out the most reliable airlines to get you to your destination on time: Qatar Airways (97%), Royal Jordanian (94%), Envoy Air( 91%).

Question 11

What is the cheapest day to fly round-trip from Chicago to Washington, D.C.?

Accepted Answer

Users have found that flying from Chicago to Washington, D.C. on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Question 12

How far in advance should I book a flight from Chicago to Washington, D.C.?

Accepted Answer

To save up to 105% on this flight, we recommend booking at least 58 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Chicago to Washington, D.C. from £197 1-2 weeks out and tickets from £317 for flights departing within the next 72 hours.

Question 13

What is the cheapest month to fly from Chicago to Washington, D.C.?

Accepted Answer

The best pricing can be found in the month of August. Prices to Washington, D.C. from Chicago average £190. You can even find prices in August for less than £190, as users have found deals to Washington, D.C. from as low as £55. The month of March appears to be one of the more expensive times to travel to Washington, D.C. from Chicago. Flying in the targeted month can save you up to 25%.

Question 14

What is the cheapest time of day to fly from CHI to WAS?

Accepted Answer

When flying from Chicago to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 41% versus a flight in the morning.

Question 15

Can I find deals for flights from Chicago to Washington, D.C. that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Chicago to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 16

How can I find direct flights from Chicago to Washington, D.C.?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Washington, D.C..

Question 17

Can I find deals for business class flights from Chicago to Washington, D.C.?

Accepted Answer

Yes. Cheapflights offers flight deals from Chicago to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 18

How does Cheapflights help users find flights from Chicago to Washington, D.C.?

Accepted Answer

When you search for this flight from Chicago to Washington, D.C., Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 19

Why should you use Cheapflights to find cheap flight tickets from Chicago to Washington, D.C.?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Chicago to Washington, D.C. for you. Better yet — we are completely free to use.

Question 20

Can Cheapflights find flights from Chicago to Washington, D.C. with no change fees?

Accepted Answer

Yes, we can. To see specific flights from Chicago to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 21

Can Cheapflights notify me if prices for flights from Chicago to Washington, D.C. become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	£105
One-way from	£56
Popular in	March
Cheapest in	August
Average price	£206

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/2. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from Chicago to Washington, D.C. are usually found in August or September, booked 57 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Chicago to Washington, D.C.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Chicago to Washington, D.C.

Cheapest flights from Chicago to Washington, D.C.
Explore the most affordable flight options available from Chicago to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 January 2025.

Explore the most affordable flight options available from Chicago to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 January 2025.

Best flights from Chicago to Washington, D.C.
Discover carefully curated flight deals from Chicago to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 January 2025.

Discover carefully curated flight deals from Chicago to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 January 2025.

Direct flights from Chicago to Washington, D.C.
Explore direct flight options from Chicago to Washington, D.C. based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 January 2025.

Explore direct flight options from Chicago to Washington, D.C. based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 January 2025.

Last-minute flights from Chicago to Washington, D.C.
Discover last-minute flight deals from Chicago to Washington, D.C.. Data last updated 10 January 2025 and is based on user searches.

Discover last-minute flight deals from Chicago to Washington, D.C.. Data last updated 10 January 2025 and is based on user searches.

One-way flights from Chicago to Washington, D.C.
Search for one-way flight options from Chicago to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 10 January 2025.

Search for one-way flight options from Chicago to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 10 January 2025.

Find flights from Chicago to Washington, D.C. within your budget

Best time to book a flight from Chicago to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Chicago with our price prediction graph.

Travel insights for flights from Chicago to Washington, D.C.

Get recent, data-driven insights about flights from Chicago to Washington, D.C. including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Chicago to Washington, D.C.?

Use this chart to determine the optimal time to book a return flight from Chicago to Washington, D.C.. Price data was last updated on 3 January 2025.

What is the cheapest month to book a flight from Chicago to Washington, D.C.?

What is the cheapest time of day to fly from CHI to WAS?

Find hourly flight availability from Chicago to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 January 2025.

Weekly flight availability from Chicago to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

To help decide which airline to fly from Chicago to Washington, D.C., see what other customers have to say about United Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Cheap flights from Chicago to Washington, D.C. from £56

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/2. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from Chicago to Washington, D.C. are usually found in August or September, booked 57 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Chicago to Washington, D.C.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Chicago to Washington, D.C.

Cheapest flights from Chicago to Washington, D.C.Explore the most affordable flight options available from Chicago to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 January 2025.

Explore the most affordable flight options available from Chicago to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 January 2025.

Find flights from Chicago to Washington, D.C. within your budget

Best time to book a flight from Chicago to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Chicago with our price prediction graph.

Travel insights for flights from Chicago to Washington, D.C.

Get recent, data-driven insights about flights from Chicago to Washington, D.C. including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Chicago to Washington, D.C.?

Use this chart to determine the optimal time to book a return flight from Chicago to Washington, D.C.. Price data was last updated on 3 January 2025.

What is the cheapest month to book a flight from Chicago to Washington, D.C.?

What is the cheapest time of day to fly from CHI to WAS?

Find hourly flight availability from Chicago to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 January 2025.

Weekly flight availability from Chicago to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

To help decide which airline to fly from Chicago to Washington, D.C., see what other customers have to say about United Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Cheapest flights from Chicago to Washington, D.C.
Explore the most affordable flight options available from Chicago to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 January 2025.