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$547+ Cheap flights from Saint Peter (JER) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
JER — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Saint Peter to Illinois

Keep the following information in mind while searching for Saint Peter to Illinois flight deals. Data was last updated June 12, 2025.

Round-trip from

$547
(Expedia)
From Saint Peter Jersey to Illinois
Search Deals

Find flight deals from Saint Peter to Illinois

Cheapest flights from Saint Peter to Illinois
Explore the most affordable flight options available from Saint Peter to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/810:35 amJER - ORD
2 stops26h 44mBritish Airways
Tue 7/1510:30 pmORD - JER
1 stop16h 10mBritish Airways
Deal found 6/10$547
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:00 amJER - ORD
1 stop14h 55mAmerican Airlines
Tue 8/265:54 pmORD - JER
2 stops16h 26mAmerican Airlines
Deal found 6/12$998
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:10 amJER - ORD
3 stops31h 45mMultiple Airlines
Tue 7/155:51 amORD - JER
3 stops24h 54mMultiple Airlines
Deal found 6/10$1,039

Cheapflights Fare Finder

Customize your flight search to find flights from Saint Peter to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Saint Peter to Illinois that are best for you.

Fly from

Saint Peter

Fly to

Illinois

Route

Depart

Return

Price

Saint PeterChicago

JER - ORD

JERORD

Saint Peter Jersey

Tue 7/8

10:35 am-7:19 am

2 stops26h 44m

Chicago O'Hare Intl

Tue 7/15

10:30 pm-8:40 pm

1 stop16h 10m

$547

Saint PeterChicago

JER - ORD

JERORD

Saint Peter Jersey

Mon 8/18

7:00 am-3:55 pm

1 stop14h 55m

Chicago O'Hare Intl

Tue 8/26

5:54 pm-4:20 pm

2 stops16h 26m

$998

Saint PeterChicago

JER - ORD

JERORD

Saint Peter Jersey

Tue 7/8

7:10 am-8:55 am

3 stops31h 45m

Chicago O'Hare Intl

Tue 7/15

5:51 am-12:45 pm

3 stops24h 54m

$1,039

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Saint Peter to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Saint Peter with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Saint Peter to Illinois

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated June 12, 2025.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Food

6.5

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Food

6.5

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
British Airways
6.6
Okay
7,008 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Food

6.5

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

Related info for your journey

Find useful and relevant information for your journey from Saint Peter to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Saint Peter to Illinois?

    For a flight from Saint Peter to Illinois, you will be flying from Jersey. Saint Peter Jersey (JER) is just 0.8 mi from the center of the city.

  • Can I find deals for flights from Saint Peter to Illinois that include hotel bookings?

    Yes. In addition to deals on Saint Peter to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Saint Peter to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Saint Peter to Illinois.

  • Can I find deals for business class flights from Saint Peter to Illinois?

    Yes. Cheapflights offers flight deals from Saint Peter to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Saint Peter to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Saint Peter to Illinois (average of $245). Flying from Saint Peter to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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