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Cheap flights from Grimsby to Illinois from £626

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — ORD
24 Aug — 31 Aug1
1 adult

Cheap flight deals from Grimsby to Illinois

Keep the following information in mind while searching for Grimsby to Illinois flight deals. Data was last updated 19 August 2025.

Round-trip from

£626
KLM
  • KLM
  • 1/10-8/10
  • 3 total stops
  • 25h 02m total
  • Grimsby to Illinois
Search Deals

Find flight deals from Grimsby to Illinois

Cheapest flights from Grimsby to Illinois
Explore the most affordable flight options available from Grimsby to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Wed 1/1009:50HUY - ORD
1 stop10h 50mKLM
Wed 8/1013:08ORD - HUY
2 stops14h 12mKLM
Deal found 17/8£626
Wed 1/1006:10HUY - ORD
2 stops16h 10mMultiple Airlines
Wed 8/1013:26ORD - HUY
2 stops13h 54mMultiple Airlines
Deal found 17/8£629
Wed 1/1006:10HUY - STL
2 stops15h 55mKLM
Wed 8/1011:21STL - HUY
2 stops15h 59mKLM
Deal found 17/8£904
Wed 1/1009:50HUY - STL
2 stops35h 28mMultiple Airlines
Wed 8/1015:30STL - HUY
3 stops23h 55mMultiple Airlines
Deal found 17/8£2,256

Cheapflights Fare Finder

 
Customise your flight search to find flights from Grimsby 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 19 August 2025.
Use the filters below to find and compare flights from Grimsby to Illinois that are best for you.

Fly from

Grimsby

Fly to

Illinois

Route

Depart

Return

Price

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Wed 1/10

09:50-14:40

1 stop10h 50m

Chicago O'Hare Intl

Wed 8/10

13:08-09:20

2 stops14h 12m

£626

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Wed 1/10

06:10-16:20

2 stops16h 10m

Chicago O'Hare Intl

Wed 8/10

13:26-09:20

2 stops13h 54m

£629

GrimsbySt. Louis

HUY - STL

HUYSTL

Grimsby Humberside

Wed 1/10

06:10-16:05

2 stops15h 55m

Lambert-St Louis

Wed 8/10

11:21-09:20

2 stops15h 59m

£904

GrimsbySt. Louis

HUY - STL

HUYSTL

Grimsby Humberside

Wed 1/10

09:50-15:18

2 stops35h 28m

Lambert-St Louis

Wed 8/10

15:30-21:25

3 stops23h 55m

£2,256

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Best time to book a flight from Grimsby to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Grimsby 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 Grimsby to Illinois

What is the cheapest month to book a flight from Grimsby to Illinois?

Currently, January is the cheapest month in which you can book a flight from Grimsby to Illinois (average of £595). Flying from Grimsby 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.

Related info for your journey

Find useful and relevant information for your journey from Grimsby 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 Grimsby to Illinois?

    Most people fly from Grimsby Humberside (HUY) if they book a flight from Grimsby to Illinois. Grimsby Humberside is conveniently located just 11.0 mi from Grimsby’s city center.

  • How long is the flight from Grimsby to Illinois?

    Airlines like KLM fly from Grimsby to Illinois in about 10h 50m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3877 mi.

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

    Yes. In addition to deals on Grimsby to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Grimsby to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Grimsby 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 Grimsby to Illinois?

    Currently, January is the cheapest month in which you can book a flight from Grimsby to Illinois (average of £595). Flying from Grimsby 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.

See more FAQs

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How does Cheapflights help users find flights from Grimsby to Illinois?

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

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

Yes, we can. To see specific flights from Grimsby to Illinois with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Grimsby to Illinois become cheaper?

Yes, Cheapflights offers price alerts on Grimsby to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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