Cheap Flights from Washington D.C. to Chicago

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Compare Baltimore Washington International to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

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Flight deals from Baltimore Washington International to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International to Chicago O'Hare International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Baltimore Washington International to Chicago O'Hare International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to Chicago O'Hare International flights are currently cheapest in May.

Direct flights from Baltimore Washington International to Chicago O'Hare International

Baltimore Washington International to Chicago O'Hare International: Alternative routes

Compare routes from Baltimore Washington International to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Washington D.C. to Chicago: Flight information

The things to know before you go.
Cheapest flight found$188
Cheapest month to flyMay
Average flight time2 hrs, 18 mins
Most popular airlineAlaska Airlines
Average flights per week253

Finding cheap flights from Baltimore Washington International to Chicago O'Hare International: Frequently asked questions

The best price we found for a return flight from Baltimore Washington International to Chicago O'Hare International is $188. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 18 minutes is the average flight time from Baltimore Washington International to Chicago O'Hare International.
Alaska Airlines, American Airlines and Envoy Air fly direct from Baltimore Washington International to Chicago O'Hare International.
As of April 2025, there are 253 flights per week flying from Baltimore Washington International to Chicago O'Hare International.
The cheapest month to fly from Baltimore Washington International to Chicago O'Hare International is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Chicago O'Hare International Airport on Sunday, 25 May 2025.
Yes – the average flight time is 2 hours and 18 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines offers the cheapest flight tickets to Chicago O'Hare International.

Travelling from Baltimore/Wash International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD): what you need to know

  • Around 2 hours 15 minutes is how long you'll be travelling on a direct flight from Baltimore/Wash International Thurgood Marshall Airport to O'Hare International Airport.

  • Chicago is one hour behind Washington DC and is in the UTC-5 timezone.

  • Flights from BWI to ORD start from 06:00 — the earliest with American Airlines. The latest departure is at 21:55 with United Airlines. Overall, there are 61 weekly Baltimore/Wash International Thurgood Marshall Airport to O'Hare International Airport flights.

  • Get to the airport on time so you don't miss your BWI to ORD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Flying during a peak time such as July? Major public holidays and other high seasons can lead to longer lines and delays at check-in and security. Play things extra safe and get there up to four hours before an international flight and two hours before domestic departures.

  • With direct flights from Baltimore/Wash International Thurgood Marshall Airport to O'Hare International Airport operated by a number of airlines, flying to Chicago (and then other corners of United States) is a cinch. Here's who you can travel nonstop with:

  • American Airlines tops the list for bookings on this route.

  • United Airlines is the most punctual carrier operating BWI to ORD flights. A dependable 82.55% of its departures on this route arrive on time.

  • Consider adding a stopover when booking your ticket from Baltimore/Wash International Thurgood Marshall Airport to O'Hare International Airport. Simply uncheck 'Direct flights only' to break up your trip, or even explore someplace new along the way. Here are some options between BWI and ORD:

    • Pittsburgh International Airport

    • Cleveland Hopkins International Airport

    • General Mitchell International Airport

How to find the cheapest flights from Baltimore/Wash International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD)

  • Currently, $85 is the lowest price we've found for a one-way Baltimore/Wash International Thurgood Marshall Airport to O'Hare International Airport flight. The best price for a return ticket is $188. Bear in mind that fares may change due to availability at the time of booking.

  • Book seven months before travelling. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from BWI to ORD.

  • June is the cheapest month for flights from Baltimore/Wash International Thurgood Marshall Airport to O'Hare International Airport. If you prefer to fly during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • Snapping up cheap flights from BWI to ORD is a cinch with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as fares go down.

  • Discover the right flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Baltimore/Wash International Thurgood Marshall Airport to O'Hare International Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • 77.13% of flights that depart Baltimore/Wash International Thurgood Marshall Airport reach their destination on time.

  • Central Washington DC to Baltimore/Wash International Thurgood Marshall Airport is approximately 48 kilometres. Depending on traffic, it'll take you about 50 minutes to get there if you're catching a cab, ride-sharing or driving.

  • The trip on public transport will take about 1 hour 30 minutes.

  • Catching an early flight from Baltimore/Wash International Thurgood Marshall Airport to O'Hare International Airport? Avoid the hassle of rushing to the terminal (and catch some extra z's) by picking one of these stays near BWI:

Arriving at O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • The address for ORD is 10000 West O'Hare.

  • O'Hare International Airport is approximately 40 kilometres from the centre of Chicago. The drive time takes around 35 minutes.

  • It takes around 55 minutes if you're using public transport.

When to fly to O'Hare International Airport (ORD)

  • The quietest month for a flight from Baltimore/Wash International Thurgood Marshall Airport to O'Hare International Airport is January, while August is the most popular. Pick the best time to visit Chicago based on whether you prefer a faster pace or a more relaxed vibe.

  • When reserving your flight from Baltimore/Wash International Thurgood Marshall Airport to O'Hare International Airport, think about the type of weather you enjoy. July is the warmest month in Chicago, with the temperature ranging from 15ºC (59ºF) to 29ºC (84ºF).

  • January has average temperatures of between -12ºC (10ºF) and 3ºC (37ºF). Look for cheap tickets from BWI to ORD sometime around then if you want to travel when it's cooler.

Explore more of United States

  • Chicago is always a good idea, but there are so many other corners of United States just waiting to be explored. About 451 kilometres south-east of Chicago, a visit to Columbus will keep you on the move. Start with leading attractions like Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

  • Around 257 kilometres south-east of Chicago, Indianapolis is another essential stop in United States. Experience the best of this destination with a visit to The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.