BWI

$63 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 8/28. 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

Sat, Jul 25 - 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
$122Frontier
Wed, Jul 22 - 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
$123Frontier
Thu, Aug 20 - Mon, Aug 24
Southwest Logo
9:00 am - 11:55 am
MDW
-
BWI
1h 55mnonstop
Southwest Logo
5:20 pm - 6:15 pm
BWI
-
MDW
1h 55mnonstop
$240Southwest
Sat, Aug 15 - Sat, Aug 22
American Airlines Logo
3:59 pm - 7:04 pm
ORD
-
BWI
2h 05mnonstop
American Airlines Logo
8:10 pm - 9:37 pm
BWI
-
ORD
2h 27mnonstop
$245American Airlines
Sat, Aug 15 - Sat, Aug 22
Southwest Logo
11:45 am - 4:00 pm
MDW
-
BWI
3h 15m
1 stop
Southwest Logo
10:55 am - 4:05 pm
BWI
-
MDW
6h 10m
2 stops
$246Southwest
Thu, Aug 20 - Mon, Aug 24
Delta Logo
5:30 am - 1:05 pm
ORD
-
BWI
6h 35m
1 stop
Delta Logo
2:18 pm - 6:49 pm
BWI
-
ORD
5h 31m
1 stop
$249Delta
Wed, Aug 12 - Fri, Aug 14
Multiple Airlines Logo
5:57 pm - 8:33 pm
MLI
-
BWI
25h 36m
1 stop
Multiple Airlines Logo
9:38 pm - 7:54 am
BWI
-
MLI
11h 16m
1 stop
$261Multiple Airlines
Sat, Aug 1 - Wed, Aug 5
American Airlines Logo
6:34 pm - 12:16 am
CMI
-
BWI
4h 42m
1 stop
American Airlines Logo
6:59 am - 11:11 am
BWI
-
CMI
5h 12m
1 stop
$270American Airlines
Wed, Aug 12 - Fri, Aug 14
Multiple Airlines Logo
5:57 pm - 3:34 pm
MLI
-
BWI
20h 37m
2 stops
Multiple Airlines Logo
3:21 pm - 7:54 am
BWI
-
MLI
17h 33m
1 stop
$271Multiple Airlines
Sat, Oct 10 - Wed, Oct 14
Delta Logo
11:04 am - 5:03 pm
MLI
-
BWI
4h 59m
1 stop
Delta Logo
4:39 pm - 10:34 pm
BWI
-
MLI
6h 55m
1 stop
$285Delta
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Good to know

Low seasonJanuary
Cheapest flight$63
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly and prices are also 6% 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)