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Cheap flights from Grimsby to Illinois from £592

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — ORD
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

£592
KLM
  • KLM
  • 29/10-5/11
  • 2 total stops
  • 25h 05m 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 17 September 2025.

Fri 31/1017:10HUY - ORD
1 stop27h 10mKLM
Fri 7/1116:25ORD - HUY
1 stop10h 55mKLM
Deal found 16/9£592
Fri 31/1006:10HUY - ORD
2 stops17h 39mDelta
Fri 7/1110:37ORD - HUY
2 stops16h 43mDelta
Deal found 16/9£597
Fri 31/1009:50HUY - ORD
2 stops19h 09mVirgin Atlantic
Fri 7/1107:00ORD - HUY
2 stops20h 20mVirgin Atlantic
Deal found 16/9£607
Wed 15/1009:50HUY - ORD
1 stop10h 50mKLM
Wed 22/1016:40ORD - HUY
1 stop10h 40mKLM
Deal found 15/9£636
Wed 15/1006:10HUY - ORD
2 stops17h 12mDelta
Tue 21/1010:36ORD - HUY
2 stops16h 44mDelta
Deal found 15/9£639
Fri 31/1006:10HUY - ORD
3 stops19h 50mMultiple Airlines
Fri 7/1121:55ORD - HUY
3 stops29h 25mMultiple Airlines
Deal found 16/9£873
Thu 30/1006:10HUY - STL
2 stops16h 52mKLM
Thu 6/1111:36STL - HUY
2 stops15h 44mKLM
Deal found 15/9£874
Thu 30/1009:50HUY - STL
3 stops34h 05mMultiple Airlines
Thu 6/1116:05STL - HUY
2 stops35h 15mMultiple Airlines
Deal found 15/9£5,378

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 17 September 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

Fri 31/10

17:10-15:20

1 stop27h 10m

Chicago O'Hare Intl

Fri 7/11

13:08-09:20

2 stops14h 12m

£595

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Fri 31/10

06:10-18:49

2 stops17h 39m

Chicago O'Hare Intl

Fri 7/11

10:37-09:20

2 stops16h 43m

£597

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Thu 5/3

17:30-14:20

1 stop26h 50m

Chicago O'Hare Intl

Mon 9/3

17:25-17:10

1 stop18h 45m

£628

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Thu 5/3

09:50-21:35

2 stops17h 45m

Chicago O'Hare Intl

Mon 9/3

14:10-09:20

2 stops14h 10m

£631

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Wed 15/10

17:35-14:10

1 stop26h 35m

Chicago O'Hare Intl

Wed 22/10

13:26-09:20

2 stops13h 54m

£636

GrimsbySt. Louis

HUY - STL

HUYSTL

Grimsby Humberside

Thu 30/10

06:10-18:02

2 stops16h 52m

Lambert-St Louis

Thu 6/11

11:36-09:20

2 stops15h 44m

£874

GrimsbySt. Louis

HUY - STL

HUYSTL

Grimsby Humberside

Thu 5/3

09:50-20:39

2 stops16h 49m

Lambert-St Louis

Mon 9/3

19:05-17:10

2 stops17h 05m

£910

GrimsbySt. Louis

HUY - STL

HUYSTL

Grimsby Humberside

Thu 30/10

09:50-14:55

3 stops34h 05m

Lambert-St Louis

Thu 6/11

16:05-09:20

2 stops35h 15m

£5,378

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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, Delta, and Virgin Atlantic fly from Grimsby to Illinois in about 17h 39m. The time it takes to get you to your destination can typically vary by up to 9h 31m. Airlines will cover a distance of 3877 mi. This flight may include one or multiple stops.

  • 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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Fly with Cheapflights

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

Cheapflights helps you search for flights from Grimsby to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Grimsby to Illinois for you. Better yet — we are completely free to use.

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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