What are the cheapest airlines flying from Baltimore to Chicago O'Hare Intl Airport round-trip?

Cheapflights users have booked flights from Baltimore to Chicago O'Hare Intl Airport round-trip from $118. Other airlines that can offer you cheap pricing are Frontier, from $125, and Southwest, from $139. Spirit Airlines is currently priced 58% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Baltimore to Chicago O'Hare Intl Airport one-way?

$73 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and United Airlines, with prices starting from $78 and $79, respectively.

What are the cheapest flights from Baltimore to Chicago O'Hare Intl Airport?

Looking for the cheapest flight from Baltimore to Chicago O'Hare Intl Airport? While on average our users pay $977, our data indicates the cheapest price to be $72. The most popular route (Baltimore/Washington - Chicago O'Hare Intl), is priced around $98.

What are the most reliable airlines from Baltimore to Chicago O'Hare Intl Airport?

The top 3 most reliable airlines when flying from Baltimore to Chicago O'Hare Intl Airport are ANA (96%), Cathay Pacific (88%) and Spirit Airlines (88%).

What are the most popular airlines that fly from Baltimore to Chicago O'Hare Intl Airport?

The most popular airlines flying from Baltimore to Chicago O'Hare Intl Airport are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Baltimore to Chicago O'Hare Intl Airport?

Users have found that flying from Baltimore to Chicago O'Hare Intl Airport on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Baltimore to Chicago O'Hare Intl Airport?

September is one of the best times of the year to fly to Chicago O'Hare Intl Airport from Baltimore. Prices for September average $252 per person but you can even find prices for as low as $68. The most expensive prices can be found in the month of April. Opting for a September flight can save you 8% on your journey compared to booking in April

What airport do you fly from for flights from Baltimore to Chicago O'Hare Intl?

If you book a flight to Chicago O'Hare Intl from Baltimore, you will be flying from Baltimore/Washington, which is the city’s only airport. Baltimore/Washington (BWI) is located 8.5 mi from the center of Baltimore. There are 14 flights from Baltimore/Washington to Chicago O'Hare Intl per day from 6 different airlines.

Can I find deals for flights from Baltimore to O'Hare Intl that include hotel bookings?

Yes. In addition to deals on Baltimore to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Baltimore to O'Hare Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to O'Hare Intl.

Can I find deals for business class flights from Baltimore to O'Hare Intl?

Yes. Cheapflights offers flight deals from Baltimore to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$73+ Flights from Baltimore to Chicago O'Hare Intl Airport

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Baltimore/Washington to Chicago O'Hare Intl are usually found in January or September, booked 75 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Baltimore to O'Hare Intl

Round-trip from	$118 (Kiwi.com)
One-way from	$73 (FlightHub)
Popular in	March
Cheapest in	January
Average price	$304

From Baltimore/Washington to Chicago O'Hare Intl

Search Deals

One-way flight from Baltimore/Washington to Chicago O'Hare Intl

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($29 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

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Find flight deals from Baltimore to O'Hare Intl

Cheapest flights from Baltimore to O'Hare Intl
Explore the most affordable flight options available from Baltimore to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

mié. 7/28:25 amBWI - ORD

1 stop11h 19mSpirit Airlines

jue. 7/104:37 pmORD - BWI

Nonstop1h 54mSpirit Airlines

Deal found 6/11

$118

jue. 8/147:38 amBWI - ORD

Nonstop2h 00mMultiple Airlines

lun. 8/187:45 amORD - BWI

Nonstop2h 06mMultiple Airlines

Deal found 6/10

$120

vie. 9/1910:58 pmBWI - ORD

Nonstop2h 16mFrontier

lun. 9/227:10 pmORD - BWI

Nonstop2h 03mFrontier

Deal found 6/11

$125

sáb. 8/2310:35 amBWI - ORD

Nonstop2h 15mSouthwest

sáb. 8/231:30 pmORD - BWI

Nonstop2h 00mSouthwest

Deal found 6/11

$139

jue. 8/146:15 amBWI - ORD

Nonstop2h 15mUnited Airlines

mar. 8/1910:45 amORD - BWI

Nonstop2h 03mUnited Airlines

Deal found 6/11

$148

sáb. 7/126:00 amBWI - ORD

1 stop5h 15mDelta

sáb. 7/126:15 pmORD - BWI

1 stop5h 39mDelta

Deal found 6/10

$217

lun. 7/2112:25 pmBWI - ORD

1 stop23h 20mSun Country Air

vie. 7/254:45 pmORD - BWI

1 stop17h 38mSun Country Air

Deal found 6/10

$255

Best flights from Baltimore to O'Hare Intl
Discover carefully curated flight deals from Baltimore to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 12, 2025.

mié. 7/28:25 amBWI - ORD

1 stop11h 19mSpirit Airlines

jue. 7/104:37 pmORD - BWI

Nonstop1h 54mSpirit Airlines

Deal found 6/11

$118

jue. 8/147:38 amBWI - ORD

Nonstop2h 00mMultiple Airlines

lun. 8/187:45 amORD - BWI

Nonstop2h 06mMultiple Airlines

Deal found 6/10

$120

jue. 9/410:58 pmBWI - ORD

Nonstop2h 16mFrontier

lun. 9/87:10 pmORD - BWI

Nonstop2h 03mFrontier

Deal found 6/11

$125

sáb. 8/2310:35 amBWI - ORD

Nonstop2h 15mSouthwest

sáb. 8/231:30 pmORD - BWI

Nonstop2h 00mSouthwest

Deal found 6/11

$139

jue. 8/146:15 amBWI - ORD

Nonstop2h 15mUnited Airlines

mar. 8/1910:45 amORD - BWI

Nonstop2h 03mUnited Airlines

Deal found 6/11

$148

sáb. 7/126:00 amBWI - ORD

1 stop5h 15mDelta

sáb. 7/126:15 pmORD - BWI

1 stop5h 39mDelta

Deal found 6/10

$217

lun. 7/2112:25 pmBWI - ORD

1 stop23h 20mSun Country Air

vie. 7/254:45 pmORD - BWI

1 stop17h 38mSun Country Air

Deal found 6/10

$255

Last-minute flights from Baltimore to O'Hare Intl
Discover last-minute flight deals from Baltimore to O'Hare Intl. Data last updated junio 12, 2025 and is based on user searches.

mar. 6/1711:19 amBWI - ORD

Nonstop2h 14mUnited Airlines

mar. 6/247:10 amORD - BWI

Nonstop2h 03mUnited Airlines

Deal found 6/10

$273

mié. 6/185:00 amBWI - ORD

1 stop6h 45mAmerican Airlines

mar. 7/228:10 amORD - BWI

Nonstop1h 58mAmerican Airlines

Deal found 6/11

$267

mié. 6/186:10 amBWI - ORD

1 stop7h 55mSouthwest

mié. 7/231:50 pmORD - BWI

Nonstop2h 00mSouthwest

Deal found 6/11

$278

sáb. 6/215:48 pmBWI - ORD

1 stop7h 26mFrontier

mar. 6/245:01 amORD - BWI

1 stop10h 51mFrontier

Deal found 6/12

$266

dom. 6/228:00 amBWI - ORD

Nonstop2h 23mSpirit Airlines

jue. 7/310:19 amORD - BWI

Nonstop1h 54mSpirit Airlines

Deal found 6/10

$174

dom. 6/228:00 amBWI - ORD

Nonstop2h 23mMultiple Airlines

dom. 7/207:45 amORD - BWI

Nonstop2h 06mMultiple Airlines

Deal found 6/10

$207

sáb. 6/287:49 pmBWI - ORD

1 stop5h 08mAmerican Airlines

lun. 6/308:34 pmORD - BWI

Nonstop2h 19mAmerican Airlines

Deal found 6/11

$249

mié. 7/28:25 amBWI - ORD

1 stop11h 19mSpirit Airlines

jue. 7/104:37 pmORD - BWI

Nonstop1h 54mSpirit Airlines

Deal found 6/11

$118

lun. 7/711:36 amBWI - ORD

Nonstop2h 22mMultiple Airlines

jue. 7/104:37 pmORD - BWI

Nonstop1h 54mMultiple Airlines

Deal found 6/12

$138

mié. 7/910:59 amBWI - ORD

Nonstop2h 15mUnited Airlines

mar. 7/157:00 amORD - BWI

Nonstop2h 03mUnited Airlines

Deal found 6/10

$158

sáb. 7/1210:35 amBWI - ORD

Nonstop2h 15mSouthwest

sáb. 7/191:30 pmORD - BWI

Nonstop1h 55mSouthwest

Deal found 6/12

$178

mié. 7/166:00 amBWI - ORD

1 stop5h 16mDelta

mié. 7/235:35 amORD - BWI

1 stop6h 12mDelta

Deal found 6/10

$217

One-way flights from Baltimore to O'Hare Intl
Search for one-way flight options from Baltimore to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated junio 12, 2025.

jue. 6/268:00 amBWI - ORD

Nonstop2h 23mSpirit Airlines

Deal found 6/11

$73

lun. 7/711:36 amBWI - ORD

Nonstop2h 22mFrontier

Deal found 6/10

$78

mar. 7/155:20 pmBWI - ORD

Nonstop2h 15mUnited Airlines

Deal found 6/9

$79

mar. 8/127:30 amBWI - ORD

1 stop6h 15mSouthwest

Deal found 6/10

$89

vie. 7/46:00 amBWI - ORD

1 stop5h 03mDelta

Deal found 6/12

$99

mié. 7/1612:19 pmBWI - ORD

1 stop6h 08mSun Country Air

Deal found 6/10

$123

mié. 7/26:00 amBWI - ORD

Nonstop2h 22mAmerican Airlines

Deal found 6/11

$145

sáb. 7/2610:11 pmBWI - ORD

3 stops23h 41mMultiple Airlines

Deal found 6/10

$177

Cheapflights Fare Finder

Use the filters below to find and compare flights from Baltimore to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

mié. 7/2

8:25 am-6:44 pm

1 stop11h 19m

Chicago O'Hare Intl

jue. 7/10

4:37 pm-7:31 pm

Nonstop1h 54m

$118

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

jue. 8/14

7:38 am-8:38 am

Nonstop2h 00m

Chicago O'Hare Intl

lun. 8/18

7:45 am-10:51 am

Nonstop2h 06m

$120

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

lun. 8/11

11:36 am-12:58 pm

Nonstop2h 22m

Chicago O'Hare Intl

dom. 8/17

7:45 am-10:51 am

Nonstop2h 06m

$125

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

sáb. 8/23

6:15 am-7:30 am

Nonstop2h 15m

Chicago O'Hare Intl

sáb. 8/30

7:00 am-9:55 am

Nonstop1h 55m

$139

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

sáb. 7/12

10:35 am-11:50 am

Nonstop2h 15m

Chicago O'Hare Intl

sáb. 7/19

1:30 pm-4:25 pm

Nonstop1h 55m

$178

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

mié. 7/16

6:00 am-10:16 am

1 stop5h 16m

Chicago O'Hare Intl

mar. 7/22

9:00 am-4:41 pm

1 stop6h 41m

$217

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

lun. 7/21

12:25 pm-5:27 pm

1 stop6h 02m

Chicago O'Hare Intl

mié. 7/30

8:10 pm-11:23 am

1 stop14h 13m

$255

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

mié. 7/2

6:00 am-7:22 am

Nonstop2h 22m

Chicago O'Hare Intl

mar. 7/8

7:05 am-2:31 pm

1 stop6h 26m

$273

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

jue. 6/26

8:00 am-9:23 am

Nonstop2h 23m

$73

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

lun. 7/7

11:36 am-12:58 pm

Nonstop2h 22m

$78

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 16 results

The best insider tips for Baltimore to Chicago O'Hare Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to Chicago O'Hare Intl Airport trip

Airports

BWI

For a stress-free departure, arrive early during peak hours (6-8 a.m., 3-7 p.m.) to navigate BWI's busy security lines efficiently.

ORD

Upon arrival at ORD, consider using the 'L' train for a quick and reliable trip to downtown Chicago, avoiding traffic delays.

Our travel experts

Ramsey Qubein

Expert on ORD

Emily Zemler

Expert on BWI

Best time to book a flight from Baltimore to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Baltimore with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Baltimore to Chicago O'Hare Intl Airport?

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Baltimore to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Baltimore to Chicago O'Hare Intl Airport (average of $245). Flying from Baltimore to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BWI to ORD?

One of the essential ways to save on airfare from Baltimore to Chicago O'Hare Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 52% on airfare.

What is the cheapest day to fly from Baltimore to Chicago O'Hare Intl Airport?

Travelers seeking maximum savings on their Baltimore to Chicago O'Hare Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Baltimore to Chicago O'Hare Intl Airport

The most flights from BWI to ORD are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in O'Hare Intl by month

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

See what other customers who have flown with Southwest, Delta and United Airlines from Baltimore to Chicago have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,287 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,946 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,790 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Sun Country Air

6.9

Okay

345 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What airport do you fly from for flights from Baltimore to Chicago O'Hare Intl?
If you book a flight to Chicago O'Hare Intl from Baltimore, you will be flying from Baltimore/Washington, which is the city’s only airport. Baltimore/Washington (BWI) is located 8.5 mi from the center of Baltimore. There are 14 flights from Baltimore/Washington to Chicago O'Hare Intl per day from 6 different airlines.
What are the cheapest airlines flying from Baltimore to Chicago O'Hare Intl Airport round-trip?
Cheapflights users have booked flights from Baltimore to Chicago O'Hare Intl Airport round-trip from $118. Other airlines that can offer you cheap pricing are Frontier, from $125, and Southwest, from $139. Spirit Airlines is currently priced 58% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Baltimore to Chicago O'Hare Intl Airport one-way?
$73 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and United Airlines, with prices starting from $78 and $79, respectively.
What are the most reliable airlines from Baltimore to Chicago O'Hare Intl Airport?
The top 3 most reliable airlines when flying from Baltimore to Chicago O'Hare Intl Airport are ANA (96%), Cathay Pacific (88%) and Spirit Airlines (88%).
What are the cheapest flights from Baltimore to Chicago O'Hare Intl Airport?
Looking for the cheapest flight from Baltimore to Chicago O'Hare Intl Airport? While on average our users pay $977, our data indicates the cheapest price to be $72. The most popular route (Baltimore/Washington - Chicago O'Hare Intl), is priced around $98.
Can I find deals for flights from Baltimore to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Baltimore to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Baltimore to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to O'Hare Intl.
Can I find deals for business class flights from Baltimore to O'Hare Intl?
Yes. Cheapflights offers flight deals from Baltimore to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Baltimore to Chicago O'Hare Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Baltimore to Chicago O'Hare Intl Airport (average of $245). Flying from Baltimore to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 6 airlines flying from Baltimore to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$55	Average$158	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$70	Average$148	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$145	Average$286	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$155	Average$297	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$166	Average$288	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$176	Average$272	FlexibilityNo cancel fee	On-timeN/A

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$73+ Cheap flights from Baltimore (BWI) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Baltimore to O'Hare Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Baltimore/Washington to Chicago O'Hare Intl are usually found in January or September, booked 75 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Baltimore to O'Hare Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Baltimore to O'Hare Intl

Cheapest flights from Baltimore to O'Hare IntlExplore the most affordable flight options available from Baltimore to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Explore the most affordable flight options available from Baltimore to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Baltimore to Chicago O'Hare Intl Airport that are best for you.

The best insider tips for Baltimore to Chicago O'Hare Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to Chicago O'Hare Intl Airport trip

Airports

BWI

ORD

Our travel experts

Best time to book a flight from Baltimore to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Baltimore with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Baltimore to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to O'Hare Intl. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Baltimore to Chicago O'Hare Intl Airport?

What is the cheapest time of day to fly from BWI to ORD?

Find hourly flight availability from Baltimore to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

What is the cheapest day to fly from Baltimore to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to O'Hare Intl. Price data was last updated on June 8, 2025.

Weekly flight availability from Baltimore to Chicago O'Hare Intl Airport

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing O'Hare Intl

See what other customers who have flown with Southwest, Delta and United Airlines from Baltimore to Chicago have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Baltimore to Chicago O'Hare Intl?

What are the cheapest airlines flying from Baltimore to Chicago O'Hare Intl Airport round-trip?

What are the cheapest airlines to fly from Baltimore to Chicago O'Hare Intl Airport one-way?

What are the most reliable airlines from Baltimore to Chicago O'Hare Intl Airport?

What are the cheapest flights from Baltimore to Chicago O'Hare Intl Airport?

Can I find deals for flights from Baltimore to O'Hare Intl that include hotel bookings?

How can I find direct flights from Baltimore to O'Hare Intl?

Can I find deals for business class flights from Baltimore to O'Hare Intl?

What is the cheapest month to book a flight from Baltimore to Chicago O'Hare Intl Airport?

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Alternative routes for Baltimore to O'Hare Intl

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Top 6 airlines flying from Baltimore to O'Hare Intl

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Cheapest flights from Baltimore to O'Hare Intl
Explore the most affordable flight options available from Baltimore to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.