Question 1

What is the cheapest airline that flies from Chicago to Washington, D.C.?

Accepted Answer

United Airlines and JetBlue are the most popular carriers operating from Chicago to Washington, D.C.

Question 2

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

Accepted Answer

The cheapest month to fly to Washington, D.C. from Chicago is in August. Flight prices, which tend to average around £123, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in August, then you should wait until September to fly from Chicago, when ticket prices are also cheap, with an average price of £137.

Question 3

What is the most punctual flight time for Chicago to Washington, D.C. flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Question 4

How many flights depart from Chicago to Washington, D.C. on average per week?

Accepted Answer

As of December 2025, there are 415 flights per week flying from Chicago to Washington, D.C.. The most common day of the week flights depart is Mon, with 24% of flights taking off on this day.

Question 5

Can stopping save me money on Chicago to Washington, D.C. flights?

Accepted Answer

You could potentially save up to 42% on your flight if you consider stops on a Chicago to Washington, D.C. flight.

Question 6

How often are flights from Chicago to Washington, D.C. delayed?

Accepted Answer

Historically, on average around 20% 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 128 minutes.

Question 7

What is the cheapest day to depart on your flight to Washington, D.C.?

Accepted Answer

On average, the least expensive day to fly to Washington, D.C. from Chicago is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £308. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £558.

Question 8

How many flights depart from Chicago to Washington, D.C. on average per day?

Accepted Answer

The number of flights available between Chicago and Washington, D.C. is 59 per day as of December 2025. The most frequent departure time is 18:00, with 35% of daily flights leaving in the afternoon.

Question 9

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Question 10

How have Chicago to Washington, D.C. flight prices changed over time?

Accepted Answer

As of December 2025, prices for Chicago to Washington, D.C. flights are approximately 48% more expensive when compared to flights at the same time last year.

Question 11

What cabin class options are available on Chicago to Washington, D.C. flights?

Accepted Answer

There are 2 cabin classes available to choose from on Chicago to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 12

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

Accepted Answer

You are more likely to see cheaper flights to Washington, D.C. from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around £232 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Chicago for as low as £190 on momondo.

Question 13

What is the cheapest time of day to depart on your flight to Washington, D.C.?

Accepted Answer

In the morning is the cheapest time of day to fly from Chicago to Washington, D.C. when you can find flight prices for as low as £301. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly at midday, with an average ticket price of £986. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

Question 14

Which airline has the best punctuality record on Chicago to Washington, D.C. flights?

Accepted Answer

According to our data, Southwest have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

Question 15

What is the cheapest Chicago to Washington, D.C. flight route?

Accepted Answer

Fly from Chicago Midway to Baltimore/Washington for the best Chicago - Washington, D.C. flight prices

Question 16

Is flying the fastest way to get from Chicago to Washington, D.C.?

Accepted Answer

At 2h 00m, choosing to opt for a flight from Chicago to Washington, D.C. for this trip as opposed to a train from Chicago to Washington, D.C. or a bus from Chicago to Washington, D.C. can save you time on travel.

Question 17

Is flying the cheapest way to get from Chicago to Washington, D.C.?

Accepted Answer

Planning to book a flight from Chicago to Washington, D.C. can be a safe bet when looking for a low-cost deal to your destination. Currently, a train and a bus are priced higher than the cost of a flight. You can search prices for a train from Chicago starting at £167 to Washington, D.C. or a bus from Chicago to Washington, D.C. starting at £111 if that is your preferred method of transportation.

Question 18

When did momondo last update prices for flights from Chicago to Washington, D.C.?

Accepted Answer

Prices for flights from Chicago to Washington, D.C. refresh daily.

Question 19

How old do you have to be to fly from Chicago to Washington, D.C.?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Washington, D.C..

Question 20

What documentation or ID do you need to fly to Washington, D.C.?

Accepted Answer

The travel and health documents required for your trip to Washington, D.C. 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 Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Fastest flight time	1h 58m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

Cheap flights from Chicago to Washington, D.C. from £52

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 25/12. 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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How to get the cheapest flight ticket from Chicago to Washington, D.C.

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

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

What is the cheapest Chicago to Washington, D.C. flight route?

Fly from Chicago Midway to Baltimore/Washington for the best Chicago - Washington, D.C. flight prices

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

What cabin class options are available on Chicago to Washington, D.C. flights?

There are 2 cabin classes available to choose from on Chicago to Washington, D.C. 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. flights?

You could potentially save up to 42% on your flight if you consider stops on a Chicago to Washington, D.C. flight.

How have Chicago to Washington, D.C. flight prices changed over time?

As of December 2025, prices for Chicago to Washington, D.C. flights are approximately 48% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Chicago to Washington, D.C.?

United Airlines and JetBlue are the most popular carriers operating from Chicago to Washington, D.C.

How often are flights from Chicago to Washington, D.C. delayed?

Historically, on average around 20% 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 128 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 departing 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?

Saturday is statistically the day of the week that experiences the fewest 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, Southwest have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

How many flights depart from Chicago to Washington, D.C. on average per day?

The number of flights available between Chicago and Washington, D.C. is 59 per day as of December 2025. The most frequent departure time is 18:00, with 35% of daily flights leaving in the afternoon.

How many flights depart from Chicago to Washington, D.C. on average per week?

As of December 2025, there are 415 flights per week flying from Chicago to Washington, D.C.. The most common day of the week flights depart is Mon, with 24% of flights taking off on this day.

When to book flights from Chicago to Washington, D.C.

Cheap Chicago to Washington, D.C. (CHI to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Washington, D.C.

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Is flying the fastest way to get from Chicago to Washington, D.C.?

Is flying the cheapest way to get from Chicago to Washington, D.C.?

How far is Chicago to Washington, D.C. by plane?

When did momondo last update prices for flights from Chicago to Washington, D.C.?

How old do you have to be to fly from Chicago to Washington, D.C.?

What documentation or ID do you need to fly to Washington, D.C.?

What is the most popular plane model from Chicago to Washington, D.C.?

Travelling to a place near Washington, D.C.?

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Why should I use momondo to find a flight deal from Chicago to Washington, D.C.?

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Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.