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Cheap flights from Saint Peter to Illinois from £474

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
JER — ORD
23 Jul — 30 Jul1
1 adult

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 18 July 2025.

Round-trip from

£474
1/9-8/9
  • 1/9-8/9
  • 4 total stops
  • 50h 55m total
  • Saint Peter to Illinois
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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 18 July 2025.

Mon 1/907:10JER - ORD
2 stops20h 05mMultiple Airlines
Mon 8/919:25ORD - JER
2 stops30h 50mMultiple Airlines
Deal found 18/7£474
Mon 1/907:00JER - ORD
1 stop13h 40mBritish Airways
Mon 8/920:40ORD - JER
1 stop13h 40mBritish Airways
Deal found 18/7£562
Sat 30/810:35JER - ORD
1 stop12h 25mAmerican Airlines
Sat 6/918:55ORD - JER
2 stops15h 30mAmerican Airlines
Deal found 16/7£693

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 18 July 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

Mon 1/9

07:10-21:15

2 stops20h 05m

Chicago O'Hare Intl

Mon 8/9

19:25-08:15

2 stops30h 50m

£474

Saint PeterChicago

JER - ORD

JERORD

Saint Peter Jersey

Mon 1/9

07:00-14:40

1 stop13h 40m

Chicago O'Hare Intl

Mon 8/9

20:40-16:20

1 stop13h 40m

£562

Saint PeterChicago

JER - ORD

JERORD

Saint Peter Jersey

Sat 30/8

10:35-17:00

1 stop12h 25m

Chicago O'Hare Intl

Sat 6/9

18:55-16:25

2 stops15h 30m

£693

Flights are sorted by cheapest return flights first.

Deals found on 18/7

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 return 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
No data available for this route at this time. Please check back soon.

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 18 July 2025.
See what other customers who have flown with American Airlines and British Airways from Saint Peter to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews
Check prices

Overall

7.2

Comfort

7.2

Crew

8.0

Food

6.5

Boarding

7.5

Entertainment

6.9

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
Check prices

Overall

7.2

Comfort

7.2

Crew

8.0

Food

6.5

Boarding

7.5

Entertainment

6.9

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
7,151 reviews
American Airlines
7.2
Good
10,000 reviews
Check prices

Overall

7.2

Comfort

7.2

Crew

8.0

Food

6.5

Boarding

7.5

Entertainment

6.9

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?

    If you book a flight to Illinois from Saint Peter, you will be flying from Jersey, which is the city’s only airport. Saint Peter Jersey (JER) is located 0.8 mi from the center of Saint Peter.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Saint Peter to Illinois (average of £595). Flying from Saint Peter to Illinois in July is currently the most expensive (average of £843). 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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Can Cheapflights find flights from Saint Peter to Illinois with no change fees?

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