Question 1

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

Accepted Answer

The two airlines most popular with KAYAK users for flights from Washington, D.C. to Chicago are Southwest and United Airlines. With an average price for the route of $244 and an overall rating of 8.0, Southwest is the most popular choice. United Airlines is also a great choice for the route, with an average price of $309 and an overall rating of 7.4.

Question 2

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

Accepted Answer

The average nonstop flight takes 2h 13m, covering a distance of 609 miles. Visit our flight page for the latest deals!>/a>

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 26 and 36 nonstop flights that take off from Washington, D.C. and land in Chicago O'Hare Intl Airport, with an average flight time of 2h 15m. The most common departure time is 10:00 am and most flights take off in the morning. Each week, there are 236 flights. The most frequent day of departure is Thursday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday. Visit our flight page for the latest deals!>/a>

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 26 and 36 nonstop flights that take off from Washington, D.C. and land in Chicago O'Hare Intl Airport, with an average flight time of 2h 15m. The most common departure time is 10:00 am and most flights take off in the morning. Each week, there are 236 flights. The most frequent day of departure is Thursday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday. Visit our flight page for the latest deals!>/a>

Question 5

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

Accepted Answer

In the last 3 days, the lowest price for a flight from Washington, D.C. to Chicago O'Hare Intl Airport was $69 for a one-way ticket and $116 for a round-trip. <a href='/flight-routes/Washington-WAS/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

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. <a href='/flight-routes/Washington-WAS/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

Question 7

Which airlines fly most frequently between Washington, D.C. and Chicago O'Hare Airport?

Accepted Answer

Washington, D.C. and Chicago O'Hare Airport are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (149 flights per week), American Airlines (74 flights per week), and Southwest (7 flights per week). Visit our flight page for the latest deals!>/a>

Question 8

Which airlines fly most frequently between Washington, D.C. and Chicago O'Hare Airport?

Accepted Answer

Washington, D.C. and Chicago O'Hare Airport are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (149 flights per week), American Airlines (74 flights per week), and Southwest (7 flights per week). Visit our flight page for the latest deals!>/a>

Question 9

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 Friday, 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. Visit our flight page for the latest deals!>/a>

Question 10

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 Friday, 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. Visit our flight page for the latest deals!>/a>

Question 11

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. <a href='/flight-routes/Washington-WAS/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

Question 12

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 5:53 am and will be landing in Chicago O'Hare Intl Airport at 7:07 am.

Question 13

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 10:45 pm and lands at 11:48 pm.

Question 14

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

Accepted Answer

There are 5 airlines that fly nonstop from Washington, D.C. to Chicago O'Hare Intl Airport. They are: American Airlines, Frontier, Southwest, Spirit Airlines and United Airlines. The cheapest price of all airlines flying this route was found with Spirit Airlines at $46 for a round-trip flight. On average, the best prices for this route can be found at Spirit Airlines.

Question 15

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

Accepted Answer

There are 5 airlines that fly nonstop from Washington, D.C. to Chicago O'Hare Intl Airport. They are: American Airlines, Frontier, Southwest, Spirit Airlines and United Airlines. The cheapest price of all airlines flying this route was found with Spirit Airlines at $46 for a round-trip flight. On average, the best prices for this route can be found at Spirit Airlines.

Question 16

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 17

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 18

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 Star Alliance being the most commonly used for this route.

Question 19

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 20

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 September, where tickets cost $240 (return) on average. On the other hand, the most expensive months are April and December, where the average cost of round-trip tickets is $343 and $309 respectively.

Question 21

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 September, where tickets cost $240 (return) on average. On the other hand, the most expensive months are April and December, where the average cost of round-trip tickets is $343 and $309 respectively.

Question 22

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. <a href='/flight-routes/Washington-WAS/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

Question 23

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. <a href='/flight-routes/Washington-WAS/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

Question 24

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. <a href='/flight-routes/Washington-WAS/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

Question 25

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. <a href='/flight-routes/Washington-WAS/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

Question 26

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

Accepted Answer

Flights via Atlanta (ATL) offer the most affordable fares, with an average round-trip price of $186.

Question 27

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 28

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, Detroit (DTW) often has the shortest layovers from Washington, D.C. to Chicago O'Hare Airport, with an average of 0h 56m.

Question 29

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 3h 58m.

Question 30

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 31

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 32

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

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Chicago O'Hare Airport were found on Spirit Airlines ($116) and Frontier ($117).

Question 33

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

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Chicago O'Hare Airport were found on Spirit Airlines ($116) and Frontier ($117).

Question 34

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 $99 on the route between Baltimore (BWI) and Chicago O'Hare Intl Airport (ORD). Over the past month, this route was, on average, 38% cheaper than other Washington, D.C.-Chicago O'Hare Intl Airport routes. The most popular route is between Washington, D.C. Reagan-National Airport (DCA) and Chicago O'Hare Intl Airport (ORD).

Question 35

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 $99 on the route between Baltimore (BWI) and Chicago O'Hare Intl Airport (ORD). Over the past month, this route was, on average, 38% cheaper than other Washington, D.C.-Chicago O'Hare Intl Airport routes. The most popular route is between Washington, D.C. Reagan-National Airport (DCA) and Chicago O'Hare Intl Airport (ORD).

Question 36

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 51% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Question 37

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 51% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Question 38

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 $288 on average.

Question 39

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 $288 on average.

Low season	January
High season	December
Cheapest flight	$69

WAS - ORD

$69 Find Cheap Flights from Washington, D.C. to Chicago O'Hare Airport

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

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Expert advice for your flight from Washington, D.C. to O'Hare Intl

KAYAK's insights & trends for Washington, D.C. to O'Hare Intl flights

Get data-powered insights and trends into flights from Washington, D.C. to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

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?

The cheapest month for flights from Washington, D.C. to Chicago O'Hare Intl Airport is September, where tickets cost $240 (return) on average. On the other hand, the most expensive months are April and December, where the average cost of round-trip tickets is $343 and $309 respectively.

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

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 $288 on average.

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

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 51% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

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

In the past 3 days, the cheapest round-trip tickets from Washington, D.C. to Chicago O'Hare Airport were found on Spirit Airlines ($116) and Frontier ($117).

Which airlines fly most frequently between Washington, D.C. and Chicago O'Hare Airport?

Washington, D.C. and Chicago O'Hare Airport are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (149 flights per week), American Airlines (74 flights per week), and Southwest (7 flights per week).

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?

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.

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

Flights via Atlanta (ATL) offer the most affordable fares, with an average round-trip price of $186.

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

Consider flying via Detroit (DTW) for the shortest journey. The average one-way travel time for flights connecting there is 3h 58m.

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

If you prefer a quick connection, Detroit (DTW) often has the shortest layovers from Washington, D.C. to Chicago O'Hare Airport, with an average of 0h 56m.

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

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.

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?

The average nonstop flight takes 2h 13m, covering a distance of 609 miles.

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

Early birds can take the earliest flight from Washington, D.C. at 5:53 am and will be landing in Chicago O'Hare Intl Airport at 7:07 am.

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

If you prefer to fly at night, the latest flight from Washington, D.C. to Chicago O'Hare Intl Airport jets off at 10:45 pm and lands at 11:48 pm.

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When to book flights from Washington, D.C. to O'Hare Intl

FAQs for booking Washington, D.C. to Chicago O'Hare Airport flights

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

In the last 3 days, the lowest price for a flight from Washington, D.C. to Chicago O'Hare Intl Airport was $69 for a one-way ticket and $116 for a round-trip.

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

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

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

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.

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

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

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

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

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

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

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

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

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

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

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.

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?

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.

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

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.

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?

KAYAK’s top tips for finding a cheap flight from Washington, D.C. to Chicago O'Hare Intl Airport

Prefer to fly direct from Washington, D.C. to Chicago O'Hare Airport?

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