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Cheap flights from Saint Peter to Illinois from £506

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
JER — ORD
21 Jan — 28 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Saint Peter to Illinois

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Best flights from Saint Peter to Illinois
Discover carefully curated flight deals from Saint Peter to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 December 2025.

Tue 3/207:10JER - ORD
2 stops16h 37mBritish Airways
Tue 10/221:45ORD - JER
1 stop12h 25mBritish Airways
Deal found 20/12£506

Find 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 22 December 2025.

Round-trip from

£506
British Airways
  • British Airways
  • 3/2-10/2
  • 3 total stops
  • 29h 02m total
  • Saint Peter to Illinois
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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 22 December 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 3/2

07:10-17:47

2 stops16h 37m

Chicago O'Hare Intl

Tue 10/2

21:45-16:10

1 stop12h 25m

£506

Flights are sorted by cheapest return flights first.

Deals found on 20/12

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
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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.

  • How long is the flight from Saint Peter to Illinois?

    A quick flight from Saint Peter to Illinois can take about 16h 37m. British Airways provides one of the quickest options available for as low as £506. There are 3945 mi between Saint Peter and Illinois.

  • 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.

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Can Cheapflights find flights from Saint Peter to Illinois with no change fees?

Need flexible booking options for your flight to Illinois from Saint Peter? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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