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Cheap flights from Baltimore to Chicago O'Hare Intl Airport from $48

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Chicago O'Hare Intl Airport departing on 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Baltimore to Chicago

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Baltimore to Chicago.
Spirit Airlines Logo
8:10 am - 9:24 amBWI-ORD
2h 14mnonstop
Spirit Airlines Logo
7:47 am - 8:29 pmORD-BWI
11h 42m1 stop
$117Spirit Airlines
Find Deal
Thu, May 15 - Tue, May 20
Spirit Airlines Logo
8:10 am - 9:24 amBWI-ORD
2h 14mnonstop
Spirit Airlines Logo
10:33 am - 1:19 pmORD-BWI
1h 46mnonstop
$118Spirit Airlines
Find Deal
Thu, May 8 - Sun, May 11
United Airlines Logo
6:45 am - 8:02 amBWI-ORD
2h 17mnonstop
United Airlines Logo
7:00 am - 9:54 amORD-BWI
1h 54mnonstop
$161United Airlines
Find Deal
Sat, May 10 - Sun, May 11
Southwest Logo
11:55 am - 1:05 pmBWI-ORD
2h 10mnonstop
Southwest Logo
1:50 pm - 4:50 pmORD-BWI
2h 00mnonstop
$169Southwest
Find Deal
Mon, Jun 30 - Thu, Jul 3
American Airlines Logo
7:26 am - 8:43 amBWI-ORD
2h 17mnonstop
American Airlines Logo
7:04 pm - 10:05 pmORD-BWI
2h 01mnonstop
$177American Airlines
Find Deal
Mon, Jun 2 - Wed, Jun 4
Southwest Logo
11:00 am - 4:25 pmBWI-ORD
6h 25m1 stop
Southwest Logo
1:50 pm - 4:50 pmORD-BWI
2h 00mnonstop
$179Southwest
Find Deal
Sat, Jul 5 - Thu, Jul 10
American Airlines Logo
7:26 am - 8:43 amBWI-ORD
2h 17mnonstop
American Airlines Logo
7:04 pm - 10:05 pmORD-BWI
2h 01mnonstop
$180American Airlines
Find Deal
Sat, May 10 - Wed, May 14
Frontier Logo
6:45 am - 1:41 pmBWI-ORD
7h 56m1 stop
Frontier Logo
5:31 pm - 12:35 amORD-BWI
6h 04m1 stop
$188Frontier
Find Deal
Sat, May 17 - Mon, May 19
Frontier Logo
6:07 am - 12:03 pmBWI-ORD
6h 56m1 stop
Frontier Logo
5:31 pm - 12:35 amORD-BWI
6h 04m1 stop
$198Frontier
Find Deal
Fri, May 2 - Mon, May 5
United Airlines Logo
6:40 am - 7:55 amBWI-ORD
2h 15mnonstop
United Airlines Logo
7:10 am - 10:13 amORD-BWI
2h 03mnonstop
$216United Airlines
Find Deal
Fri, Jun 13 - Tue, Jun 17

Spirit Airlines flights from Baltimore to Chicago O'Hare Intl Airport

Our best Spirit Airlines deals on Baltimore to Chicago O'Hare Intl Airport flight tickets
Spirit Airlines
May 15
BWI8:10 amBaltimore/Washington
2h 14m
ORD9:24 amChicago O'Hare Intl
May 20
ORD7:47 amChicago O'Hare Intl
11h 42m
1 stop
BWI8:29 pmBaltimore/Washington
Spirit Airlines
May 8
BWI8:10 amBaltimore/Washington
2h 14m
ORD9:24 amChicago O'Hare Intl
May 11
ORD10:33 amChicago O'Hare Intl
1h 46m
BWI1:19 pmBaltimore/Washington
Spirit Airlines
May 12
BWI7:57 pmBaltimore/Washington
13h 53m
1 stop
ORD8:50 amChicago O'Hare Intl
May 15
ORD10:33 amChicago O'Hare Intl
1h 46m
BWI1:19 pmBaltimore/Washington

United Airlines flights from Baltimore to Chicago O'Hare Intl Airport

Our best United Airlines deals on Baltimore to Chicago O'Hare Intl Airport flight tickets
United Airlines
May 10
BWI6:45 amBaltimore/Washington
2h 17m
ORD8:02 amChicago O'Hare Intl
May 11
ORD7:00 amChicago O'Hare Intl
1h 54m
BWI9:54 amBaltimore/Washington
United Airlines
Jun 13
BWI6:40 amBaltimore/Washington
2h 15m
ORD7:55 amChicago O'Hare Intl
Jun 17
ORD7:10 amChicago O'Hare Intl
2h 03m
BWI10:13 amBaltimore/Washington
United Airlines
May 5
BWI7:02 pmBaltimore/Washington
2h 23m
ORD8:25 pmChicago O'Hare Intl
May 11
ORD7:00 amChicago O'Hare Intl
1h 54m
BWI9:54 amBaltimore/Washington

See travel insights to Chicago from

How to get the cheapest flight ticket from Baltimore to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Baltimore averaging around $257.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $407. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Baltimore because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $504.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Baltimore in the evening is the least expensive time of day to depart. momondo users have found prices as low as $336 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $467. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Baltimore/Washington to Chicago O'Hare Intl flight route?

Fly from Baltimore/Washington to Chicago O'Hare Intl for the best Baltimore/Washington - Chicago O'Hare Intl flight prices

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Baltimore when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $284 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Baltimore for as low as $226 on momondo.

What cabin class options are available on Baltimore/Washington to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Baltimore/Washington to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Baltimore to Chicago O'Hare Intl Airport flight prices changed over time?

As of April 2025, prices for Baltimore to Chicago O'Hare Intl Airport flights are approximately 30% more expensive when compared to flights at the same time last year.

When to book flights from Baltimore to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to Chicago O'Hare Intl Airport (BWI to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Chicago O'Hare Intl Airport

Best Price Found

$48

Fastest flight time

2h 00m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Baltimore in the past 72 hours is $48. The best round-trip flight deal from Baltimore to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $117.
The fastest flight from Baltimore to Chicago O'Hare Intl Airport takes 2h 00m
Direct flights go from Baltimore to Chicago O'Hare Intl Airport every day.

  • How far is Baltimore/Washington to Chicago O'Hare Intl by plane?

    The straight-line distance from Baltimore/Washington to Chicago O'Hare Intl is 619.6 mi. By plane, this route typically takes 2h 00m.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Baltimore/Washington Airport to Chicago O'Hare Intl Airport refresh daily.

  • How many operators does momondo search for flights from Baltimore/Washington Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Baltimore/Washington Airport to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Baltimore to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Baltimore to Chicago O'Hare Intl Airport?


Best airlines flying from Baltimore to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Baltimore to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $46Free CancellationRating
6.3
7,926 reviews
Search Spirit Airlines flights
FrontierPriceFrom $70Free CancellationRating
6.0
3,281 reviews
Search Frontier flights
American AirlinesPriceFrom $145Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $154Free CancellationRating
7.4
8,667 reviews
Search United Airlines flights
SouthwestPriceFrom $165Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
DeltaPriceFrom $176Free CancellationRating
8.0
7,917 reviews
Search Delta flights
  • Southwest Flights From Baltimore to Chicago O'Hare Intl Airport

    Southwest is one of the most popular airlines flying from Baltimore to Chicago O'Hare Intl Airport, operating 6 flights/week on average for this route. A good Southwest flight deal for Baltimore to Chicago O'Hare Intl Airport starts from $165 round-trip, up to an average price of $285. Our users have rated Southwest at 8.0/10.

  • United Airlines Flights From Baltimore to Chicago O'Hare Intl Airport

    United Airlines (7.4/10 from 8,667 reviews) operates around 20 flights from Baltimore to Chicago O'Hare Intl Airport in any given week. The average United Airlines airfare for this route is around $307, with deals from around $154 rare but found on momondo. Referenced prices are for round-trip Baltimore to Chicago O'Hare Intl Airport flight searches in the last 72 hours.


Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Rockford
Schaumburg
Merrillville
Gurnee
Rosemont
Naperville
Kenosha
Joliet
South Haven
Oak Brook
Racine
New Buffalo
Tinley Park
Elgin
Hammond
Aurora
South Holland
Orland Park
Waukegan

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Chicago?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Baltimore to Chicago. momondo saves you time and could save you money on your trip.

Can I find flights from Baltimore to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Baltimore with this policy.

How can momondo help me find flights from Baltimore to Chicago?

Once all potential Baltimore to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Baltimore to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Baltimore. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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