BWI

$72 Find Cheap Flights from Illinois to Baltimore - Compare and Save

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 7/27. 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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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

Wed, Jul 15 - Tue, Jul 28
Frontier Logo
4:57 pm - 11:17 pm
STL
-
BWI
5h 20m
1 stop
Frontier Logo
8:36 am - 5:37 pm
BWI
-
STL
10h 01m
1 stop
$144Frontier
Fri, Aug 7 - Wed, Aug 12
Frontier Logo
4:57 pm - 7:26 am
STL
-
BWI
13h 29m
1 stop
Frontier Logo
9:32 pm - 5:37 pm
BWI
-
STL
21h 05m
1 stop
$146Frontier
Thu, Aug 20 - Mon, Aug 24
Southwest Logo
8:45 am - 1:55 pm
MDW
-
BWI
4h 10m
1 stop
Southwest Logo
4:55 pm - 7:50 pm
BWI
-
MDW
3h 55m
1 stop
$240Southwest
Tue, Jul 28 - Thu, Jul 30
Southwest Logo
8:10 am - 11:10 am
MDW
-
BWI
2h 00mnonstop
Southwest Logo
6:10 am - 7:10 am
BWI
-
MDW
2h 00mnonstop
$243Southwest
Tue, Jul 21 - Thu, Jul 23
United Airlines Logo
9:20 pm - 12:28 am
ORD
-
BWI
2h 08mnonstop
United Airlines Logo
8:16 am - 9:30 am
BWI
-
ORD
2h 14mnonstop
$243United Airlines
Sat, Aug 8 - Tue, Aug 11
American Airlines Logo
9:05 am - 12:11 pm
ORD
-
BWI
2h 06mnonstop
American Airlines Logo
7:03 am - 8:30 am
BWI
-
ORD
2h 27mnonstop
$244American Airlines
Wed, Jul 22 - Tue, Jul 28
Delta Logo
6:35 am - 1:01 pm
ORD
-
BWI
5h 26m
1 stop
Delta Logo
5:27 pm - 8:31 pm
BWI
-
ORD
4h 04m
1 stop
$245Delta
Sat, Jul 25 - Sat, Aug 1
United Airlines Logo
5:43 pm - 12:28 am
PIA
-
BWI
5h 45m
1 stop
United Airlines Logo
6:15 am - 10:09 am
BWI
-
PIA
4h 54m
1 stop
$281United Airlines
Wed, Jul 22 - Sat, Jul 25
American Airlines Logo
6:58 pm - 12:33 am
PIA
-
BWI
4h 35m
1 stop
American Airlines Logo
5:44 am - 9:17 am
BWI
-
PIA
4h 33m
1 stop
$285American Airlines
Wed, Jul 22 - Thu, Jul 30
Delta Logo
4:18 pm - 12:39 am
BMI
-
BWI
7h 21m
1 stop
Delta Logo
6:20 pm - 10:48 pm
BWI
-
BMI
5h 28m
1 stop
$309Delta
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$72
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly and prices are also 9% 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

Baltimore (BWI)