How can I find cheap flights from Baltimore/Washington International Airport to O'Hare International Airport?
Explore the cheapest one-way and round-trip flights from Baltimore/Washington International Airport to O'Hare International Airport over the next 90 days, with one-way fares from €30 and round-trip from €60. Based on Trip.com's latest 7-day flight data.
- One way
- Return
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- Cheapest nonstop
BWI 10:202h 20mDirectORD 11:40Baltimore - Chicago | Sun, Oct 4 | Frontier Airlines
ORD 06:202h 5mDirectBWI 09:25Chicago - Baltimore | Thu, Oct 8 | Frontier AirlinesPrice detailsDepartureBWI-ORDEconomy class
IncludedReturnORD-BWIEconomy class
Included€60 €34683% off83% off€346 €60 -
BWI 09:532h 30mDirectORD 11:23Baltimore - Chicago | Sun, Nov 1 | Frontier Airlines
ORD 06:001h 57mDirectBWI 08:57Chicago - Baltimore | Thu, Nov 5 | Frontier AirlinesPrice detailsDepartureBWI-ORDEconomy class
Included
ReturnORD-BWIEconomy class
Included
€60 €34683% off83% off€346 €60 -
BWI 09:582h 23mDirectORD 11:21Baltimore - Chicago | Sun, Oct 11 | Frontier Airlines
ORD 06:002h 3mDirectBWI 09:03Chicago - Baltimore | Sun, Oct 18 | Frontier AirlinesPrice detailsDepartureBWI-ORDEconomy class
Included
ReturnORD-BWIEconomy class
Included
€61 €34682% off82% off€346 €61 -
BWI 10:202h 20mDirectORD 11:40Baltimore - Chicago | Sun, Sep 27 | Frontier Airlines
ORD 06:202h 5mDirectBWI 09:25Chicago - Baltimore | Thu, Oct 1 | Frontier AirlinesPrice detailsDepartureBWI-ORDEconomy class
Included
ReturnORD-BWIEconomy class
Included
€6182% off€346 €61 -
BWI 17:032h 24mDirectORD 18:27Baltimore - Chicago | Tue, Oct 6 | Frontier Airlines
ORD 06:202h 5mDirectBWI 09:25Chicago - Baltimore | Thu, Oct 8 | Frontier AirlinesPrice detailsDepartureBWI-ORDEconomy class
Included
ReturnORD-BWIEconomy class
Included
€6182% off€346 €61 -
BWI 12:022h 24mDirectORD 13:26Baltimore - Chicago | Tue, Nov 3 | Frontier Airlines
ORD 08:002h 7mDirectBWI 11:07Chicago - Baltimore | Sat, Nov 7 | Frontier AirlinesPrice detailsDepartureBWI-ORD
Included
ReturnORD-BWIEconomy class
Included
€6282% off€346 €62 -
BWI 12:022h 24mDirectORD 13:26Baltimore - Chicago | Fri, Oct 30 | Frontier Airlines
ORD 08:002h 7mDirectBWI 11:07Chicago - Baltimore | Fri, Nov 6 | Frontier AirlinesPrice detailsDepartureBWI-ORD
Included
ReturnORD-BWI
Included
€6781% off€346 €67 -
BWI 10:202h 20mDirectORD 11:40Baltimore - Chicago | Thu, Oct 1 | Frontier Airlines
ORD 06:202h 5mDirectBWI 09:25Chicago - Baltimore | Sun, Oct 4 | Frontier AirlinesPrice detailsDepartureBWI-ORDEconomy class
Included
ReturnORD-BWIEconomy class
Included
€7479% off€346 €74 -
BWI 09:582h 23mDirectORD 11:21Baltimore - Chicago | Thu, Oct 15 | Frontier Airlines
ORD 06:002h 3mDirectBWI 09:03Chicago - Baltimore | Thu, Oct 22 | Frontier AirlinesPrice detailsDepartureBWI-ORDEconomy class
Included
ReturnORD-BWIEconomy class
Included
€8476% off€346 €84 -
BWI 09:582h 23mDirectORD 11:21Baltimore - Chicago | Thu, Oct 29 | Frontier Airlines
ORD 08:002h 7mDirectBWI 11:07Chicago - Baltimore | Mon, Nov 2 | Frontier AirlinesPrice detailsDepartureBWI-ORDEconomy class
Included
ReturnORD-BWIEconomy class
Included
€9473% off€346 €94 -
BWI 17:032h 24mDirectORD 18:27Baltimore - Chicago | Tue, Sep 29 | Frontier Airlines
ORD 06:202h 5mDirectBWI 09:25Chicago - Baltimore | Thu, Oct 1 | Frontier AirlinesPrice detailsDepartureBWI-ORDEconomy class
Included
ReturnORD-BWIEconomy class
Included
€27022% off€346 €270 -
BWI 10:202h 20mDirectORD 11:40Baltimore - Chicago | Thu, Sep 24 | Frontier Airlines
ORD 06:202h 5mDirectBWI 09:25Chicago - Baltimore | Sun, Sep 27 | Frontier AirlinesPrice detailsDepartureBWI-ORDEconomy class
Included
ReturnORD-BWIEconomy class
Included
€28019% off€346 €280 -
BWI 13:0017h 25m1 stopCHI 14:00Baltimore - Chicago | Fri, Sep 25 | Normal Airline
CHI 15:006hDirectBWI 16:00Chicago - Baltimore | Sun, Sep 27 | Normal AirlineFind more flightsFind more flights
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Cheapest nonstop
BWI 09:532h 30mDirectORD 11:23Baltimore - Chicago | Thu, Nov 5 | Frontier Airlines
€30 €10271% off71% off€102 €30 -
BWI 09:532h 30mDirectORD 11:23Baltimore - Chicago | Mon, Nov 2 | Frontier Airlines
€31 €10270% off70% off€102 €31 -
BWI 12:022h 24mDirectORD 13:26Baltimore - Chicago | Wed, Oct 28 | Frontier Airlines
€31 €10270% off70% off€102 €31 -
BWI 09:582h 23mDirectORD 11:21Baltimore - Chicago | Mon, Oct 12 | Frontier Airlines
€6635% off€102 €66 -
BWI 18:272h 39mDirectORD 20:06Baltimore - Chicago | Wed, Nov 11 | American Airlines
Price detailsBWI-ORDEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet€7824% off€102 €78 -
BWI 07:182h 32mDirectORD 08:50Baltimore - Chicago | Thu, Nov 5 | American Airlines
Price detailsBWI-ORDEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outlet€7824% off€102 €78 -
BWI 09:582h 23mDirectORD 11:21Baltimore - Chicago | Fri, Oct 9 | Frontier Airlines
€8121% off€102 €81 -
BWI 09:532h 30mDirectORD 11:23Baltimore - Chicago | Mon, Nov 9 | Frontier Airlines
€8220% off€102 €82 -
BWI 13:5626h 34m1 stopORD 15:30Baltimore - Chicago | Tue, Oct 13 | Frontier Airlines
€6536% off€102 €65 -
BWI 11:079h 1m1 stopORD 19:08Baltimore - Chicago | Wed, Nov 11 | Frontier Airlines
€7031% off€102 €70 -
BWI 15:108h 49m1 stopORD 22:59Baltimore - Chicago | Wed, Oct 7 | Frontier Airlines
€7725% off€102 €77 -
BWI 15:108h 49m1 stopORD 22:59Baltimore - Chicago | Tue, Oct 6 | Frontier Airlines
€7725% off€102 €77 -
BWI 13:0017h 25m1 stopCHI 14:00Baltimore - Chicago | Fri, Sep 25 | Normal AirlineFind more flightsFind more flights
Displayed flight fares from Baltimore/Washington International Airport to O'Hare International Airport are based on average prices across airlines for the next 3 months according to the latest Trip.com data.
Trip.com Price Insights: Flights from Baltimore/Washington International Airport to O'Hare International Airport
What is the cheapest month to fly from Baltimore/Washington International Airport to O'Hare International Airport?
Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Baltimore/Washington International Airport to O'Hare International Airport are usually in September, with an average price of €62. It is best to avoid June, when the average price can reach €218.
What is the cheapest day of the week to fly from Baltimore/Washington International Airport to O'Hare International Airport?
Based on Trip.com's data from the past 12 months, the cheapest departure day from Baltimore/Washington International Airport to O'Hare International Airport is Sunday, with average prices usually lower than other days. Avoid departing on Tuesday as prices are typically highest on that day.
Which airline offers the cheapest flights from Baltimore/Washington International Airport to O'Hare International Airport?
The cheapest airline flying from Baltimore/Washington International Airport to O'Hare International Airport is Frontier Airlines (from €30) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.






Find more flights and airlines
What is the flight schedule from Baltimore/Washington International Airport to O'Hare International Airport?
Check the schedule for flights from Baltimore to Chicago and find the flight that best matches your travel plans.

F94307
Baltimore/Washington International Airport
14:36
BWI
16:04
ORD
S - - W T F SSearch
F92633
Baltimore/Washington International Airport
06:00
BWI
08:15
ATL
S M T W T F SSearch
F91441
Hartsfield–Jackson Atlanta International Airport
10:35
ATL
11:51
ORD
S M T W T F S
DL1592
Baltimore/Washington International Airport
10:00
BWI
12:03
ATL
S M T W T F SSearch
DL2738
Hartsfield–Jackson Atlanta International Airport
15:30
ATL
16:37
ORD
S M T W T F S
DL801
Baltimore/Washington International Airport
12:15
BWI
14:16
ATL
S M T W T - SSearch
DL2879
Hartsfield–Jackson Atlanta International Airport
17:20
ATL
18:32
ORD
S M T W T F S
F92309
Baltimore/Washington International Airport
15:10
BWI
17:46
MCO
- M T - - F -Search
F91349
Orlando International Airport
20:51
MCO
22:59
ORD
S M T W T F S
F91475
Baltimore/Washington International Airport
13:06
BWI
15:50
DFW
S M T W T F SSearch
F93242
Dallas Fort Worth International Airport
05:34
DFW
08:06
ORD
S M T W T F S
F93273
Baltimore/Washington International Airport
09:27
BWI
12:00
MCO
S - - W T F SSearch
F93043
Orlando International Airport
08:10
MCO
10:20
ORD
S - - W T - S
F94411
Baltimore/Washington International Airport
13:55
BWI
16:36
FLL
S M T W T F SSearch
F92206
Fort Lauderdale-Hollywood International Airport
12:18
FLL
14:45
ORD
S M T W T F S
F93067
Baltimore/Washington International Airport
17:47
BWI
20:29
IAH
S M T W T F SSearch
F93136
George Bush Intercontinental Airport
18:42
IAH
21:34
ORD
S - - W T - S
About Baltimore/Washington International Airport and O'Hare International Airport
Learn about Baltimore/Washington International Airport (BWI) and O'Hare International Airport (ORD) — including location, terminals, transportation, and travel tips.
| Flight distance | 998.83km |
|---|---|
| Cheapest one-way ticket price | €30 |
| Cheapest return ticket price | €60 |
FAQs for Baltimore/Washington International Airport to O'Hare International Airport Flights
How long is the flight from Baltimore/Washington International Airport to O'Hare International Airport?
Baltimore/Washington International Airport to O'Hare International Airport takes about 1 hour 45 minutes on average. Actual flight time may vary depending on route, weather and air traffic.How many daily flights are there from Baltimore/Washington International Airport (BWI) to O'Hare International Airport (ORD)?
There are around 8 daily flights from Baltimore/Washington International Airport (BWI) to O'Hare International Airport (ORD).What is the flight schedule from Baltimore/Washington International Airport to O'Hare International Airport?
The earliest flight from Baltimore/Washington International Airport to O'Hare International Airport departs at 06:00, and the last departs at 20:45, with about 10 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.When are flight tickets from Baltimore/Washington International Airport (BWI) to O'Hare International Airport (ORD) most expensive?
The route from Baltimore/Washington International Airport (BWI) to O'Hare International Airport (ORD) is quite popular. Without considering departure times or holidays, tickets cost around €203 in September, the most expensive month to book this route.What is the transportation method from the main airport to downtown in Chicago?
- The distance from O'Hare International Airport to downtown is about 25km, by taxi about 40 minutes.
- The distance from Chicago Midway International Airport to downtown is about 14km, by taxi about 30 minutes.
What's the closest airport to O'Hare International Airport (ORD)?
The closest airport to O'Hare International Airport (ORD) is Chicago Midway International Airport. The distance is around 25km.Which airline operates the most direct flights from Baltimore/Washington International Airport (BWI) to O'Hare International Airport (ORD)?
American Airlines is a very popular airline operating an average of 3276 flights per month.What are the cheapest flights from Baltimore/Washington International Airport to O'Hare International Airport?
One-way flights from Baltimore/Washington International Airport to O'Hare International Airport currently start from €30, and round-trip fares start from €60. The current lowest fare is a Frontier Airlines flight departing on Thu, Nov 5; prices may vary depending on availability.Which airlines offer direct flights from Baltimore/Washington International Airport to O'Hare International Airport?
Yes. United Airlines, American Airlines and Frontier Airlines operate direct flights from Baltimore/Washington International Airport to O'Hare International Airport, with an average flight time of 1 hour 39 minutes, and around 60 weekly flights. Actual flight frequency may vary by season.What is the average price of a flight from Baltimore/Washington International Airport to O'Hare International Airport?
Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Baltimore/Washington International Airport to O'Hare International Airport is €148. Prices may vary depending on the departure date, airline, and availability.Which budget airlines fly from Baltimore/Washington International Airport to O'Hare International Airport?
Frontier Airlines and Volaris are the most popular budget airlines flying from Baltimore/Washington International Airport to O'Hare International Airport, with one-way fares starting from €30. Compare final prices carefully, as baggage, seat selection and payment fees may apply.How many weekly flights are there from Baltimore/Washington International Airport to O'Hare International Airport?
Baltimore/Washington International Airport to O'Hare International Airport operates around 42 weekly flights, mainly by American Airlines, United Airlines and Frontier Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.How do I book flights from Baltimore/Washington International Airport to O'Hare International Airport on Trip.com?
Enter Baltimore/Washington International Airport and O'Hare International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.
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