BWI

$55 Find Cheap Flights from Illinois to Baltimore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Baltimore departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$83
Overall average: $214
Frontier
Thu 2/26Sun 3/1
ORD - BWI • Non-stop
Cheapest one-way
$55
Typical prices: $214-$415
Frontier
Wed 3/11
STL - BWI • 1 stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Illinois to Baltimore

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Baltimore that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Baltimore

Thu, Feb 26 - Sun, Mar 1
Frontier Logo
5:15 am - 8:24 am
ORD
-
BWI
2h 09mnonstop
Frontier Logo
9:59 pm - 11:26 pm
BWI
-
ORD
2h 27mnonstop
$83Frontier
Fri, Mar 6 - Sat, Mar 7
Frontier Logo
12:34 pm - 3:43 pm
ORD
-
BWI
2h 09mnonstop
Frontier Logo
4:53 pm - 10:39 pm
BWI
-
ORD
6h 46m
1 stop
$90Frontier
Fri, Mar 6 - Mon, Mar 9
Multiple Airlines Logo
12:34 pm - 3:43 pm
ORD
-
BWI
2h 09mnonstop
Multiple Airlines Logo
12:30 pm - 11:47 pm
BWI
-
ORD
12h 17m
1 stop
$93Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
7:30 am - 11:31 pm
MDW
-
BWI
15h 01m
2 stops
Multiple Airlines Logo
3:19 pm - 8:54 pm
BWI
-
MDW
6h 35m
1 stop
$139Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Delta Logo
3:36 pm - 10:02 pm
BMI
-
BWI
5h 26m
1 stop
Delta Logo
10:52 am - 3:23 pm
BWI
-
BMI
5h 31m
1 stop
$269Delta
Sat, Mar 7 - Thu, Mar 12
Delta Logo
5:55 am - 11:54 am
MLI
-
BWI
4h 59m
1 stop
Delta Logo
10:52 am - 4:32 pm
BWI
-
MLI
6h 40m
1 stop
$269Delta
Fri, Apr 17 - Sun, Apr 19
United Airlines Logo
1:20 pm - 9:23 pm
PIA
-
BWI
7h 03m
1 stop
United Airlines Logo
6:00 am - 10:02 am
BWI
-
PIA
5h 02m
1 stop
$269United Airlines
Fri, Feb 20 - Mon, Feb 23
American Airlines Logo
1:30 pm - 7:39 pm
MLI
-
BWI
5h 09m
1 stop
American Airlines Logo
3:21 pm - 11:28 pm
BWI
-
MLI
9h 07m
1 stop
$274American Airlines
Tue, Feb 17 - Sat, Feb 21
United Airlines Logo
3:52 pm - 9:17 pm
MLI
-
BWI
4h 25m
1 stop
United Airlines Logo
6:20 am - 11:46 am
BWI
-
MLI
6h 26m
1 stop
$279United Airlines
Tue, Feb 17 - Sat, Feb 21
American Airlines Logo
3:05 pm - 9:53 pm
BMI
-
BWI
5h 48m
1 stop
American Airlines Logo
5:17 pm - 9:41 pm
BWI
-
BMI
5h 24m
1 stop
$279American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$55
Best time to beat the crowds but there is an average 13% increase in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from St. Louis to Baltimore

FAQs for booking flights from Illinois to Baltimore

  • How does KAYAK find such low prices on flights from Illinois to Baltimore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Baltimore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Baltimore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Baltimore from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Baltimore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Baltimore with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Baltimore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Baltimore from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Baltimore

Information on the airport you'll fly into in Baltimore