BWI

$50 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 8/20. 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

Thu, Aug 20 - Mon, Aug 24
Frontier Logo
6:17 pm - 12:24 pm
STL
-
BWI
17h 07m
1 stop
Frontier Logo
8:45 am - 5:22 pm
BWI
-
STL
9h 37m
1 stop
$139Frontier
Mon, Oct 5 - Thu, Oct 8
Frontier Logo
2:29 pm - 11:04 pm
STL
-
BWI
7h 35m
1 stop
Frontier Logo
9:29 pm - 9:40 am
BWI
-
STL
13h 11m
1 stop
$147Frontier
Wed, Aug 26 - Wed, Aug 26
Southwest Logo
6:30 am - 9:15 am
MDW
-
BWI
1h 45mnonstop
Southwest Logo
2:50 pm - 3:50 pm
BWI
-
MDW
2h 00mnonstop
$177Southwest
Sat, Aug 29 - Sat, Aug 29
Southwest Logo
5:55 am - 8:40 am
MDW
-
BWI
1h 45mnonstop
Southwest Logo
7:30 pm - 8:30 pm
BWI
-
MDW
2h 00mnonstop
$177Southwest
Wed, Aug 26 - Wed, Aug 26
United Airlines Logo
7:00 am - 10:09 am
ORD
-
BWI
2h 09mnonstop
United Airlines Logo
5:40 pm - 7:00 pm
BWI
-
ORD
2h 20mnonstop
$177United Airlines
Thu, Aug 27 - Wed, Sep 2
United Airlines Logo
7:45 pm - 11:00 pm
ORD
-
BWI
2h 15mnonstop
United Airlines Logo
6:05 am - 7:26 am
BWI
-
ORD
2h 21mnonstop
$177United Airlines
Mon, Aug 31 - Wed, Sep 2
American Airlines Logo
8:58 pm - 11:58 pm
ORD
-
BWI
2h 00mnonstop
American Airlines Logo
6:25 pm - 8:00 pm
BWI
-
ORD
2h 35mnonstop
$177American Airlines
Sat, Oct 3 - Tue, Oct 6
American Airlines Logo
9:40 am - 12:49 pm
ORD
-
BWI
2h 09mnonstop
American Airlines Logo
7:17 am - 8:45 am
BWI
-
ORD
2h 28mnonstop
$177American Airlines
Sat, Sep 5 - Tue, Sep 8
Delta Logo
9:24 am - 4:49 pm
MDW
-
BWI
6h 25m
1 stop
Delta Logo
5:10 pm - 10:44 pm
BWI
-
MDW
6h 34m
1 stop
$197Delta
Thu, Aug 27 - Mon, Aug 31
Delta Logo
6:42 pm - 11:13 pm
MDW
-
BWI
3h 31m
1 stop
Delta Logo
6:00 am - 9:59 am
BWI
-
MDW
4h 59m
1 stop
$197Delta
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Good to know

Low season

January

Cheapest flight

$50
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 17% 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)