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Cheap flights from Saint Peter to Illinois from £322

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
JER — ORD
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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 7 November 2025.

Round-trip from

£927

One-way from

£322
British Airways
  • British Airways
  • 21/12-28/12
  • 4 total stops
  • 85h 15m total
  • Saint Peter to Illinois
Search Deals
14/11
  • 14/11
  • 2 total stops
  • 22h 06m total
  • Saint Peter to Illinois
Search Deals

Find flight deals from Saint Peter to Illinois

Enter your travel dates to find the best prices.

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 7 November 2025.

Sun 21/1217:00JER - ORD
2 stops54h 05mMultiple Airlines
Sun 28/1220:35ORD - JER
2 stops31h 10mMultiple Airlines
Deal found 6/11£927

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 7 November 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

Sun 21/12

17:00-17:05

2 stops54h 05m

Chicago O'Hare Intl

Sun 28/12

20:35-09:45

2 stops31h 10m

£927

Saint PeterChicago

JER - ORD

JERORD

Saint Peter Jersey

Fri 14/11

07:00-23:06

2 stops22h 06m

£322

Saint PeterChicago

JER - ORD

JERORD

Saint Peter Jersey

Fri 14/11

07:00-13:50

1 stop12h 50m

£614

Flights are sorted by cheapest return flights first.

Deals found on 7/11

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.

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.

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Why should you use Cheapflights to find cheap flight tickets from Saint Peter to Illinois?

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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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