Question 1

Which is the best airline for flights from Washington, D.C. to Chicago, Southwest or Delta?

Accepted Answer

The two airlines most popular with KAYAK users for flights from Washington, D.C. to Chicago are Southwest and Delta. With an average price for the route of $257 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $323 and an overall rating of 7.8.

Question 2

How long does a flight from Washington, D.C. to Chicago O'Hare Airport take?

Accepted Answer

Direct flights take on average 1h 57m to travel the 609 miles between Washington, D.C. and Chicago O'Hare Airport.

Question 3

How many flights are there between Washington, D.C. and Chicago O'Hare Intl Airport per day?

Accepted Answer

Each day, there are between 31 and 37 nonstop flights that take off from Washington, D.C. and land in Chicago O'Hare Intl Airport, with an average flight time of 2h 21m. The most common departure time is 10:00 am and most flights take off in the morning. Each week, there are 253 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday.

Question 4

How many flights are there between Washington, D.C. and Chicago O'Hare Intl Airport per day?

Accepted Answer

Each day, there are between 31 and 37 nonstop flights that take off from Washington, D.C. and land in Chicago O'Hare Intl Airport, with an average flight time of 2h 21m. The most common departure time is 10:00 am and most flights take off in the morning. Each week, there are 253 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday.

Question 5

What is the cheapest flight from Washington, D.C. to Chicago O'Hare Intl Airport?

Accepted Answer

In the last 5 days, the lowest price for a flight from Washington, D.C. to Chicago O'Hare Intl Airport was $99 for a one-way ticket and $234 for a round-trip.

Question 6

Do I need a passport to fly between Washington, D.C. and Chicago O'Hare Airport?

Accepted Answer

A passport is not required to fly from Washington, D.C. to Chicago O'Hare Airport.

Question 7

What’s the cheapest day of the week to fly from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

If your flying dates are flexible, you should consider flying to Chicago O'Hare Airport on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from Washington, D.C. to Chicago O'Hare Airport. For your return ticket, we recommend flying on a Friday and avoiding Sundays for the best deals.

Question 8

What’s the cheapest day of the week to fly from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

If your flying dates are flexible, you should consider flying to Chicago O'Hare Airport on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from Washington, D.C. to Chicago O'Hare Airport. For your return ticket, we recommend flying on a Friday and avoiding Sundays for the best deals.

Question 9

Which airports will I be using when flying from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

On your way to Chicago O'Hare Airport, you’ll fly out from one of these Washington, D.C. airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You’ll be landing at Chicago O'Hare Intl.

Question 10

What’s the earliest departure time from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

Early birds can take the earliest flight from Washington, D.C. at 5:36 am and will be landing in Chicago O'Hare Intl Airport at 6:59 am.

Question 11

What’s the latest departure time from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

If you prefer to fly at night, the latest flight from Washington, D.C. to Chicago O'Hare Intl Airport jets off at 10:40 pm and lands at 11:59 pm.

Question 12

Which airlines fly non-stop between Washington, D.C. and Chicago O'Hare Intl Airport?

Accepted Answer

There are 4 airlines that fly nonstop from Washington, D.C. to Chicago O'Hare Intl Airport. They are: American Airlines, Frontier, Southwest and United Airlines. The cheapest price of all airlines flying this route was found with Frontier at $29 for a round-trip flight. On average, the best prices for this route can be found at Frontier.

Question 13

Which airlines fly non-stop between Washington, D.C. and Chicago O'Hare Intl Airport?

Accepted Answer

There are 4 airlines that fly nonstop from Washington, D.C. to Chicago O'Hare Intl Airport. They are: American Airlines, Frontier, Southwest and United Airlines. The cheapest price of all airlines flying this route was found with Frontier at $29 for a round-trip flight. On average, the best prices for this route can be found at Frontier.

Question 14

Which airlines offer Wi-Fi service onboard planes from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

Only American Airlines offers inflight Wi-Fi service on the Washington, D.C. to Chicago O'Hare Airport flight route.

Question 15

Which aircraft models fly most regularly from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

The Boeing 737-800 is the aircraft model that flies most regularly on the Washington, D.C. to Chicago O'Hare Airport flight route.

Question 16

Which airline alliances offer flights from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

oneworld, and Star Alliance are the airline alliances operating flights between Washington, D.C. and Chicago O'Hare Airport, with oneworld being the most commonly used for this route.

Question 17

On which days can I fly direct from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

There are nonstop flights from Washington, D.C. to Chicago O'Hare Airport on a daily basis.

Question 18

What is the cheapest month to fly from Washington, D.C. to Chicago O'Hare Intl Airport?

Accepted Answer

The cheapest month for flights from Washington, D.C. to Chicago O'Hare Intl Airport is February, where tickets cost $25 (return) on average. On the other hand, the most expensive months are April and October, where the average cost of round-trip tickets is $699 and $665 respectively.

Question 19

What is the cheapest month to fly from Washington, D.C. to Chicago O'Hare Intl Airport?

Accepted Answer

The cheapest month for flights from Washington, D.C. to Chicago O'Hare Intl Airport is February, where tickets cost $25 (return) on average. On the other hand, the most expensive months are April and October, where the average cost of round-trip tickets is $699 and $665 respectively.

Question 20

How does KAYAK find such low prices on flights from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Chicago O'Hare Airport.

Question 21

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

Question 22

What is the Hacker Fare option on flights from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to Washington, D.C. with another airline.

Question 23

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 24

What is the cheapest layover airport when flying from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

Flights via Detroit (DTW) offer the most affordable fares, with an average round-trip price of $209.

Question 25

What is the most popular layover airport when flying from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

Atlanta (ATL) is the top choice – 62% of KAYAK users who clicked on 1-stop flights from Washington, D.C. to Chicago O'Hare Airport picked an itinerary connecting there.

Question 26

Which layover airport has the quickest connection when flying from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

If you prefer a quick connection, Charlotte (CLT) often has the shortest layovers from Washington, D.C. to Chicago O'Hare Airport, with an average of 0h 43m.

Question 27

Which layover airport offers the shortest total travel time from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

Consider flying via Detroit (DTW) for the shortest journey. The average one-way travel time for flights connecting there is 4h 03m.

Question 28

Which cabin class options are there for flights between Washington, D.C. and Chicago O'Hare Intl Airport?

Accepted Answer

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 29

Which cabin class options are there for flights between Washington, D.C. and Chicago O'Hare Intl Airport?

Accepted Answer

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 30

Which airlines provide the cheapest flights from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Washington, D.C. to Chicago O'Hare Airport were found on Frontier ($234) and American Airlines ($241).

Question 31

Which airlines provide the cheapest flights from Washington, D.C. to Chicago O'Hare Airport?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Washington, D.C. to Chicago O'Hare Airport were found on Frontier ($234) and American Airlines ($241).

Question 32

What is the cheapest Washington, D.C. to Chicago O'Hare Intl Airport flight route?

Accepted Answer

The cheapest return flight from Washington, D.C. to Chicago O'Hare Intl Airport costs $208 on the route between Baltimore (BWI) and Chicago O'Hare Intl Airport (ORD). Over the past month, flights between Washington, D.C. Reagan-National Airport (DCA) and Chicago O'Hare Intl Airport (ORD) were, on average, 9% cheaper than other Washington, D.C.-Chicago O'Hare Intl Airport routes. This is also the most popular route.

Question 33

What is the cheapest Washington, D.C. to Chicago O'Hare Intl Airport flight route?

Accepted Answer

The cheapest return flight from Washington, D.C. to Chicago O'Hare Intl Airport costs $208 on the route between Baltimore (BWI) and Chicago O'Hare Intl Airport (ORD). Over the past month, flights between Washington, D.C. Reagan-National Airport (DCA) and Chicago O'Hare Intl Airport (ORD) were, on average, 9% cheaper than other Washington, D.C.-Chicago O'Hare Intl Airport routes. This is also the most popular route.

Question 34

How far in advance should I book a flight from Washington, D.C. to Chicago O'Hare Intl Airport?

Accepted Answer

To get a below average price on the flight from Washington, D.C. to Chicago O'Hare Intl Airport, you should book around 4 weeks before departure, which saves you about 53% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Question 35

How far in advance should I book a flight from Washington, D.C. to Chicago O'Hare Intl Airport?

Accepted Answer

To get a below average price on the flight from Washington, D.C. to Chicago O'Hare Intl Airport, you should book around 4 weeks before departure, which saves you about 53% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Question 36

Can I save money by flying with a layover from Washington, D.C. to Chicago O'Hare Intl Airport?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $385 on average.

Question 37

Can I save money by flying with a layover from Washington, D.C. to Chicago O'Hare Intl Airport?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $385 on average.

Question 38

How much is a round-trip flight from Washington, D.C. to Chicago O'Hare Intl Airport?

Accepted Answer

Flight prices are below average for this route right now.Flights to Chicago O'Hare Intl Airport from Washington, D.C. usually cost between $298 and $464 in August.
The lowest price found in the past 5 days was $234 on Frontier (Aug 7-Aug 14).

Question 39

What are the most popular airlines flying to Chicago O'Hare Intl Airport?

Accepted Answer

The most popular airline among KAYAK users flying to Chicago O'Hare Intl Airport is United Airlines, followed by American Airlines and Frontier.

Low season	February
High season	October
Cheapest flight	$99

WAS - ORD

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Cheap Flights from Washington, D.C. to O'Hare Intl (WAS-ORD)

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How much is a round-trip flight from Washington, D.C. to Chicago O'Hare Intl Airport?

What is the cheapest Washington, D.C. to Chicago O'Hare Intl Airport flight route?

What’s the cheapest day of the week to fly from Washington, D.C. to Chicago O'Hare Airport?

What is the cheapest month to fly from Washington, D.C. to Chicago O'Hare Intl Airport?

Can I save money by flying with a layover from Washington, D.C. to Chicago O'Hare Intl Airport?

How far in advance should I book a flight from Washington, D.C. to Chicago O'Hare Intl Airport?

Which airlines provide the cheapest flights from Washington, D.C. to Chicago O'Hare Airport?

Which airlines fly non-stop between Washington, D.C. and Chicago O'Hare Intl Airport?

What is the most popular layover airport when flying from Washington, D.C. to Chicago O'Hare Airport?

What is the cheapest layover airport when flying from Washington, D.C. to Chicago O'Hare Airport?

Which layover airport offers the shortest total travel time from Washington, D.C. to Chicago O'Hare Airport?

Which layover airport has the quickest connection when flying from Washington, D.C. to Chicago O'Hare Airport?

Which cabin class options are there for flights between Washington, D.C. and Chicago O'Hare Intl Airport?

How many flights are there between Washington, D.C. and Chicago O'Hare Intl Airport per day?

How long does a flight from Washington, D.C. to Chicago O'Hare Airport take?

What’s the earliest departure time from Washington, D.C. to Chicago O'Hare Airport?

What’s the latest departure time from Washington, D.C. to Chicago O'Hare Airport?

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