BWI

$71 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 8/4. 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

Tue, Sep 8 - Wed, Sep 9
Frontier Logo
6:33 pm - 8:29 am
STL
-
BWI
12h 56m
1 stop
Frontier Logo
7:31 pm - 9:40 am
BWI
-
STL
15h 09m
1 stop
$145Frontier
Wed, Jul 29 - Wed, Aug 5
Frontier Logo
4:57 pm - 11:17 pm
STL
-
BWI
5h 20m
1 stop
Frontier Logo
9:37 pm - 5:37 pm
BWI
-
STL
21h 00m
1 stop
$155Frontier
Sat, Aug 1 - Tue, Aug 4
Southwest Logo
5:00 am - 7:45 am
MDW
-
BWI
1h 45mnonstop
Southwest Logo
7:45 pm - 8:45 pm
BWI
-
MDW
2h 00mnonstop
$231Southwest
Tue, Jul 28 - Sat, Aug 8
American Airlines Logo
6:51 am - 9:58 am
ORD
-
BWI
2h 07mnonstop
American Airlines Logo
7:24 pm - 11:57 pm
BWI
-
ORD
5h 33m
1 stop
$231American Airlines
Mon, Aug 17 - Wed, Aug 19
Southwest Logo
9:00 am - 11:55 am
MDW
-
BWI
1h 55mnonstop
Southwest Logo
2:50 pm - 3:50 pm
BWI
-
MDW
2h 00mnonstop
$235Southwest
Thu, Aug 20 - Tue, Aug 25
American Airlines Logo
8:52 pm - 11:59 pm
ORD
-
BWI
2h 07mnonstop
American Airlines Logo
6:25 pm - 8:00 pm
BWI
-
ORD
2h 35mnonstop
$235American Airlines
Tue, Aug 11 - Wed, Aug 19
Delta Logo
6:05 am - 1:05 pm
MDW
-
BWI
6h 00m
1 stop
Delta Logo
6:15 am - 9:17 am
BWI
-
MDW
4h 02m
1 stop
$238Delta
Tue, Jun 30 - Wed, Jul 8
United Airlines Logo
6:40 pm - 12:28 am
PIA
-
BWI
4h 48m
1 stop
United Airlines Logo
8:16 am - 12:38 pm
BWI
-
PIA
5h 22m
1 stop
$261United Airlines
Tue, Jul 28 - Tue, Aug 4
Delta Logo
11:08 am - 6:41 pm
MLI
-
BWI
6h 33m
1 stop
Delta Logo
6:00 am - 10:25 am
BWI
-
MLI
5h 25m
1 stop
$285Delta
Fri, Oct 30 - Tue, Nov 17
United Airlines Logo
5:20 pm - 12:38 am
PIA
-
BWI
6h 18m
1 stop
United Airlines Logo
10:45 am - 1:41 pm
BWI
-
PIA
3h 56m
1 stop
$286United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$71
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)