Cheap flights from Baltimore to Chicago from $39
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 departing on 6/12. 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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Delta flights from Baltimore to Chicago O'Hare Intl Airport
Our best Delta deals on Baltimore to Chicago O'Hare Intl Airport flight tickets
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
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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 $334 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $455. 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 $285 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 $232 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.
What is the cheapest airline that flies from Baltimore/Washington to Chicago O'Hare Intl?
Spirit Airlines, United Airlines, and Southwest are the most popular carriers operating from Baltimore/Washington to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Baltimore according to our data. United Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 6 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Baltimore to Chicago O'Hare Intl Airport on average per day?
As of May 2025, there are 18 flights per day flying from Baltimore to Chicago O'Hare Intl Airport. The most common time of day flights depart is 10:00AM, with 66% of flights taking off at noon.
How many flights depart from Baltimore to Chicago O'Hare Intl Airport on average per week?
As of May 2025, 128 flights take off from Baltimore and land in Chicago O'Hare Intl Airport each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.
When to book flights from Baltimore to Chicago O'Hare Intl Airport
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
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?
As of May 2025, there are 6 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Baltimore to Chicago O'Hare Intl Airport is Boeing 777 (11.88% of total bookings). The next most popular plane models are Boeing 787-8 Dreamliner (10.90%), Airbus A319 (8.68%), and Boeing 737-900 (7.46%).
What is the most popular airline from Baltimore to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Baltimore to Chicago O'Hare Intl Airport is United Airlines, representing 52% of all bookings. The subsequent popular airlines are American Airlines at 27%, Southwest at 15%, and Frontier at 3%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $56 | Free Cancellation | Rating 6.3 7,970 reviews | |||
| PriceFrom $70 | Free Cancellation | Rating 5.9 3,289 reviews | |||
| PriceFrom $146 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $155 | Free Cancellation | Rating 7.4 8,708 reviews | |||
| PriceFrom $168 | Free Cancellation | Rating 8.0 4,292 reviews | |||
| PriceFrom $176 | Free Cancellation | Rating 8.0 7,942 reviews |
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 $168 round-trip, up to an average price of $283. 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 8,708 reviews) operates around 21 flights from Baltimore to Chicago O'Hare Intl Airport in any given week. The average United Airlines airfare for this route is around $305, with deals from around $155 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.
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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.