$269 Find Cheap Flights from Saint John to Illinois

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Saint John to Illinois departing on 9/22. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Saint John to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Saint John to Illinois, as well as popular online travel agencies
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Flight Deals

Book Cheap Saint John to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Saint John to Illinois 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 Saint John to Illinois

Sat, Aug 8 - Sun, Aug 16
Air Canada Logo
4:30 pm - 8:05 pm
YSJ
-
ORD
5h 35m
1 stop
Air Canada Logo
8:45 am - 3:50 pm
ORD
-
YSJ
5h 05m
1 stop
$503Air Canada
Sat, Aug 8 - Sun, Aug 16
Air Canada Logo
4:30 pm - 8:05 pm
YSJ
-
ORD
5h 35m
1 stop
Air Canada Logo
8:45 am - 3:50 pm
ORD
-
YSJ
5h 05m
1 stop
$505Air Canada
Sat, Jun 6 - Sat, Jun 13
Air Canada Logo
4:30 pm - 8:05 pm
YSJ
-
ORD
5h 35m
1 stop
Air Canada Logo
3:45 pm - 11:52 pm
ORD
-
YSJ
6h 07m
1 stop
$510Air Canada
Sat, Aug 8 - Sat, Aug 15
Air Canada Logo
4:30 pm - 8:05 pm
YSJ
-
ORD
5h 35m
1 stop
Air Canada Logo
8:45 am - 3:50 pm
ORD
-
YSJ
5h 05m
1 stop
$545Air Canada
Fri, Jun 19 - Tue, Jun 23
Air Canada Logo
5:00 am - 1:22 pm
YSJ
-
ORD
10h 22m
1 stop
Air Canada Logo
3:45 pm - 11:50 pm
ORD
-
YSJ
6h 05m
1 stop
$550Air Canada
Thu, Aug 6 - Wed, Aug 19
Air Canada Logo
5:00 am - 9:00 am
YSJ
-
ORD
6h 00m
1 stop
Air Canada Logo
3:45 pm - 1:25 am
ORD
-
YSJ
7h 40m
1 stop
$555Air Canada
Sat, Aug 8 - Sun, Aug 16
United Airlines Logo
4:30 pm - 8:05 pm
YSJ
-
ORD
5h 35m
1 stop
United Airlines Logo
8:45 am - 3:50 pm
ORD
-
YSJ
5h 05m
1 stop
$560United Airlines
Sat, Aug 8 - Sun, Aug 16
United Airlines Logo
4:30 pm - 8:47 am
YSJ
-
ORD
18h 17m
2 stops
United Airlines Logo
8:45 am - 3:50 pm
ORD
-
YSJ
5h 05m
1 stop
$563United Airlines
Sat, Aug 8 - Sun, Aug 16
United Airlines Logo
12:50 pm - 11:49 pm
YSJ
-
ORD
12h 59m
2 stops
United Airlines Logo
8:45 am - 3:50 pm
ORD
-
YSJ
5h 05m
1 stop
$567United Airlines
Sat, Aug 8 - Sun, Aug 16
Multiple Airlines Logo
6:55 am - 9:40 am
YSJ
-
MDW
28h 45m
2 stops
Multiple Airlines Logo
3:20 pm - 10:00 am
MDW
-
YSJ
16h 40m
1 stop
$890Multiple Airlines
Booking Insights

KAYAK's insights & trends for Saint John to Illinois flights

Get data-powered insights and trends into flights from Saint John to Illinois to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Saint John to Illinois?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Saint John to Illinois were found on Air Canada ($550) and United Airlines ($560).

Find deals

Good to know

Cheapest flight$269
Flight from Saint John to Chicago

FAQs - booking Illinois flights

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

    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 Saint John to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Saint John to 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 Saint John to Illinois?

    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 from Saint John to Illinois with an airline and back with another airline.

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

    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 from Saint John to 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 from Saint John to Illinois

Information on your arrival and departure airports

Saint John (YSJ)