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Cheap Flights from Chicago O'Hare International to Baltimore Washington International

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

Find the cheapest month or even day of the year to fly to Baltimore Washington International

Book the best Baltimore Washington International fare with no extra fees

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

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International to Baltimore Washington International? Find the lowest prices on one-way and return tickets right here.
Washington D.C..$175 per passenger.Departing Thu, 15 May, returning Sun, 18 May.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Thu, 15 May, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departs from Baltimore Washington International on Sun, 18 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From $175, select.
Washington D.C..$175 per passenger.Departing Thu, 23 Oct, returning Sun, 26 Oct.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Thu, 23 Oct, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departs from Baltimore Washington International on Sun, 26 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From $175, select.
Washington D.C..$186 per passenger.Departing Thu, 4 Sep, returning Sun, 7 Sep.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Thu, 4 Sep, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departs from Baltimore Washington International on Sun, 7 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From $186, select.
Washington D.C..$242 per passenger.Departing Wed, 29 Oct, returning Sun, 2 Nov.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Wed, 29 Oct, arriving in Baltimore Washington International.Inbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Sun, 2 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From $242, select.
Washington D.C..$243 per passenger.Departing Fri, 7 Nov, returning Sun, 9 Nov.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Fri, 7 Nov, arriving in Baltimore Washington International.Inbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Sun, 9 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From $243, select.
Washington D.C..$257 per passenger.Departing Tue, 15 Apr, returning Sat, 19 Apr.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Tue, 15 Apr, arriving in Baltimore Washington International.Inbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Sat, 19 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From $257, select.
Washington D.C..$263 per passenger.Departing Thu, 29 May, returning Thu, 5 Jun.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Chicago O'Hare International on Thu, 29 May, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departs from Baltimore Washington International on Thu, 5 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From $263, select.
Washington D.C..$278 per passenger.Departing Sat, 19 Jul, returning Tue, 22 Jul.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Sat, 19 Jul, arriving in Baltimore Washington International.Inbound direct flight with United departs from Baltimore Washington International on Tue, 22 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From $278, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Baltimore Washington International flights are currently cheapest in May.
Apr
from $257
May
from $175
Jun
from $278
Jul
from $278
Aug
from $286
Sep
from $186
Oct
from $175
Nov
from $243
Dec
from $1,229
Jan
Find prices
Feb
Find prices
Mar
Find prices

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

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

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

Chicago to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found$175
Cheapest month to flyOctober
Average flight time2 hrs, 2 mins
Most popular airlineAmerican Airlines
Average flights per week231

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

The best price we found for a return flight from Chicago O'Hare International to Baltimore Washington International is $175. 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 2 minutes is the average flight time from Chicago O'Hare International to Baltimore Washington International.
American Airlines, Alaska Airlines and Envoy Air fly direct from Chicago O'Hare International to Baltimore Washington International.
As of April 2025, there are 231 flights per week flying from Chicago O'Hare International to Baltimore Washington International.
The cheapest month to fly from Chicago O'Hare International to Baltimore Washington International is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Baltimore Washington International Airport on Thursday, 23 October 2025.
Yes – the average flight time is 2 hours and 2 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 Baltimore Washington 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 Washington D.C. 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 Baltimore Washington International.

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

  • A direct flight from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport takes on average 1 hour 58 minutes. The timezone in Washington DC is UTC-4, making it 1 hour ahead of Chicago.

  • There are 121 flights from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport each week. Choose the 05:45 flight if you want to leave as soon as possible. If you'd prefer to leave later, the last flight from ORD to BWI is at 21:55.

  • Peak months like August or high seasons such as Thanksgiving and Christmas will mean longer waits at check-in and security. If you're travelling then, play it safe and head to the terminal even earlier. Arriving two hours before a domestic flight and up four hours ahead of an international flight is a wise move.

  • American Airlines is your gateway to exploring Washington DC (and perhaps some other great parts of United States!). Choose from the direct flights from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport offered by this airline.

  • To break up your flight from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport, consider adding a stopover. Simply deselect 'Direct flights only' and find a destination that appeals to you. The top stopovers on the ORD - BWI route are:

    • Detroit Metropolitan Wayne County Airport

    • Pittsburgh International Airport

    • John Glenn Columbus International Airport

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

  • The lowest price we've found for a one-way ticket from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport is $88. For a return flight on this route, the best price is $175. Depending on the availability when you book, these fares can change.

  • Score flight tickets from ORD to BWI by booking at least 9 months ahead. According to our research, that's the sweet spot for landing a bargain.

  • Organise your trip for May. That's the cheapest month for tickets from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport. If you're flexible on when you fly, try out the 'Whole month' tool to find the cheapest airfare across each month.

  • Set up a Price Alert for flight tickets from ORD to BWI. There's no need to check back in every day to see whether fares have fallen. We'll update you when there's a change in price.

  • Use filters to tailor your flights from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport. Pick your preferred departure and arrival times, number of stops and airlines. Or sort your results by 'Cheapest' to see the best deals.

Handy information about O'Hare International Airport (ORD)

  • The journey from central Chicago to O'Hare International Airport takes approximately 54 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 40 kilometres in 35 minutes or so, depending on traffic.

  • After a hassle-free start to your trip? Stay near ORD. Whether you have an early flight from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport or just don't want to be rushed, these hotels are the answer:

Arriving at Baltimore/Wash International Thurgood Marshall Airport (BWI)

Getting from Baltimore/Wash International Thurgood Marshall Airport (BWI) to central Washington DC

  • Baltimore/Wash International Thurgood Marshall Airport is approximately 48 kilometres from the centre of Washington DC. With your own car rental or if you take a cab, the drive is about 48 minutes.

  • If you're travelling on public transport, expect a journey time of around 1 hour and 32 minutes.

When to fly to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • It's time to choose your travel dates for your flight from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport. July is the busiest month to visit Washington DC. If you want a more low-key vibe, go in May.

  • The warmest month in Washington DC is July, with temperatures ranging between 19 ºC and 33 ºC. Book your flights from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport in this month if this is the type of weather you enjoy.

  • If you like travelling in cooler conditions, look for a cheap ticket from ORD to BWI in January. Average temperatures are between -6 ºC and 10 ºC then.

More about Washington DC

  • Start your Washington DC trip right by finding the perfect place to stay. Once you've booked your flight from ORD to BWI, check out our accommodation options including:

  • White House Historical Association and The White House are just a couple of the popular attractions to add to your Washington DC itinerary. Keep the adventure rolling by checking out National Mall.

Complete your Washington DC trip with hotels and a car rental

  • We don't just compare flights. Once you've secured your cheap ticket to Baltimore/Wash International Thurgood Marshall Airport, explore our car rental deals that'll give you the freedom to see the sights at your own pace. Next, have a look at our exclusive rates for hotels to find the perfect Washington DC stay.

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Plan the rest of your trip from Chicago to Washington D.C.

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