Cheap Flights from Chicago O'Hare International IL to Baltimore Washington International DC from $70

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

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

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

Washington, D.C..$70 per passenger.Departing Mon, Aug 18, returning Thu, Aug 21.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Chicago O'Hare International on Mon, Aug 18, arriving in Baltimore Washington International.Inbound direct flight with Frontier Airlines departing from Baltimore Washington International on Thu, Aug 21, arriving in Chicago O'Hare International.Price includes taxes and charges.From $70, select.

Washington, D.C..$85 per passenger.Departing Fri, Sep 26, returning Mon, Sep 29.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Chicago O'Hare International on Fri, Sep 26, arriving in Baltimore Washington International.Inbound direct flight with Frontier Airlines departing from Baltimore Washington International on Mon, Sep 29, arriving in Chicago O'Hare International.Price includes taxes and charges.From $85, select.

Washington, D.C..$90 per passenger.Departing Thu, Oct 30, returning Fri, Oct 31.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Chicago O'Hare International on Thu, Oct 30, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departing from Baltimore Washington International on Fri, Oct 31, arriving in Chicago O'Hare International.Price includes taxes and charges.From $90, select.

Washington, D.C..$90 per passenger.Departing Sun, Jan 11, returning Sun, Jan 25.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Chicago O'Hare International on Sun, Jan 11, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departing from Baltimore Washington International on Sun, Jan 25, arriving in Chicago O'Hare International.Price includes taxes and charges.From $90, select.

Washington, D.C..$90 per passenger.Departing Thu, Oct 30, returning Fri, Nov 7.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Chicago O'Hare International on Thu, Oct 30, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departing from Baltimore Washington International on Fri, Nov 7, arriving in Chicago O'Hare International.Price includes taxes and charges.From $90, select.

Washington, D.C..$90 per passenger.Departing Thu, Sep 25, returning Thu, Oct 2.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Chicago O'Hare International on Thu, Sep 25, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departing from Baltimore Washington International on Thu, Oct 2, arriving in Chicago O'Hare International.Price includes taxes and charges.From $90, select.

Washington, D.C..$90 per passenger.Departing Mon, Nov 3, returning Fri, Nov 7.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Chicago O'Hare International on Mon, Nov 3, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departing from Baltimore Washington International on Fri, Nov 7, arriving in Chicago O'Hare International.Price includes taxes and charges.From $90, select.

Washington, D.C..$90 per passenger.Departing Mon, Nov 17, returning Sun, Dec 7.Round-trip flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departing from Chicago O'Hare International on Mon, Nov 17, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departing from Baltimore Washington International on Sun, Dec 7, arriving in Chicago O'Hare International.Price includes taxes and charges.From $90, 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 August.

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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	$70
Cheapest month to fly	August
Average flight time	2 hrs, 4 mins
Most popular airline	American Airlines
Average flights per week	182

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

How much are round-trip flights from Chicago O'Hare International to Baltimore Washington International?

The best price we found for a round-trip flight from Chicago O'Hare International to Baltimore Washington International is $70. 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.

How long does it take to fly from Chicago O'Hare International to Baltimore Washington International?

2 hours and 4 minutes is the average flight time from Chicago O'Hare International to Baltimore Washington International.

Which airlines fly direct 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.

How many flights are there a week from Chicago O'Hare International to Baltimore Washington International?

There are 182 flights per week flying from Chicago O'Hare International to Baltimore Washington International, as of July 2025.

When is the cheapest time to fly 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 August.

Which upcoming date is cheapest to fly from Chicago O'Hare International Airport to Baltimore Washington International Airport on?

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 Monday, August 18, 2025.

Can I get a direct flight from Chicago O'Hare International Airport to Baltimore Washington International Airport?

Yes – the average flight time is 2 hours and 4 minutes.

How can I find the best flight deal to Baltimore Washington International?

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.

When is the best time to book flights to Washington, D.C.?

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.

Which is the cheapest airline to fly with from Chicago O'Hare International Airport to Baltimore Washington International?

Currently, Frontier 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

Around 2 hours is how long you can expect to be traveling on a direct flight from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport.
The timezone in Washington DC is UTC-4, which is one hour ahead of Chicago.
Flights from ORD to BWI start from 05:45 — the earliest with Southwest Airlines. The last service of the day is at 21:10 with United Airlines. Overall, you can choose from 121 weekly O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport flights.
Your ORD to BWI flight won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
During popular months like August, you'll want to get to the airport earlier. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during peak periods in general.
A number of airlines offer direct flights from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport, so jetting to Washington DC (and then seeing more of United States!) is easy. Popular carriers that fly nonstop include:
The airline with the highest number of bookings on this route is American Airlines.
United Airlines is the most punctual carrier offering ORD to BWI flights, with 79.59% of its services arriving on schedule.
If you want to break up your flight, simply deselect 'Direct flights only' when searching for your ticket from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport. Here are the most popular stopovers between ORD and BWI:
- Detroit Metropolitan Wayne County Airport
- Indianapolis International Airport
- Cleveland Hopkins International Airport

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

$41 is the lowest price for a one-way O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport flight. Return flights start from $70. These fares can change depending on availability and demand.
To pick up cheap tickets from ORD to BWI, reserve your journey six months before your departure date.
Organize your trip for May. That's the cheapest month for flights from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport. If you have flexibility with your dates, use the 'Whole month' tool to find the lowest airfare across each month.
Spend less time searching for cheap flights from ORD to BWI by setting up a Price Alert. You'll get an email or notification through the app when a lower fare becomes available.
Find the right flight for you with the help of the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about O'Hare International Airport (ORD)

ORD's address is 10000 West O'Hare.
When it comes to O'Hare International Airport's on-time performance, 74.85% of flights arrive within the expected timeframe.
O'Hare International Airport is about 40 kilometers from central Chicago. If you're driving, ride-sharing or catching a cab from the center, it'll take you 35 minutes or so to arrive, depending on the traffic.
Planning to catch public transport? Expect a journey time of around 55 minutes.
Have an early flight from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport? Avoid the last-minute rush to the airport (and sneak in some extra precious sleep) by picking one of these stays close to ORD:

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

If you're getting in on a late O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport flight, nothing tops the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and relaxing not long after at one of these options near BWI:
Grab a Baltimore/Wash International Thurgood Marshall Airport rental car and discover Washington DC and beyond with your own wheels. Dollar, Thrifty and Budget are top outlets to choose from here.
Secure the lowest price by reserving your vehicle from Baltimore/Wash International Thurgood Marshall Airport around two weeks before your travel date.

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

Baltimore/Wash International Thurgood Marshall Airport to central Washington DC has a drive time of about 50 minutes. It's approximately 48 kilometers away.
It takes around 1 hour 30 minutes if you're traveling by public transport.

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

The quietest month for a flight from O'Hare International Airport to Baltimore/Wash International Thurgood Marshall Airport is May, while July is the most popular. Choose the best time to go to Washington DC based on whether you prefer a bustling atmosphere or a more laid-back vibe.
The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). 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.
January sees average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Look for cheap tickets from ORD to BWI sometime around then if you like traveling in cooler conditions.

Explore more of United States

You've done Washington DC, now it's time to explore other corners of United States. Travel about 322 kilometers north-east to New York to check off its popular sights. From Statue of Liberty to Central Park and Empire State Building, you'll have a packed itinerary ahead.
If you're ready to explore another well-known destination in United States, consider Philadelphia, roughly 193 kilometers north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are among the biggest draws.