Which airlines fly to Illinois?

Aer Lingus, British Airways and Icelandair are the top three most popular airlines that fly to Illinois from Grimsby according to our data. Aer Lingus is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 11 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Grimsby Humberside Airport to Illinois?

Prices for flights from Grimsby Humberside Airport to Illinois were last updated today.

How many operators does momondo search for flights from Grimsby Humberside Airport to Illinois?

As of December 2025, there is 1 operator available to choose from for flights from Grimsby Humberside Airport to Illinois.

How old do you have to be to fly from Grimsby Humberside Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Grimsby Humberside Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£724 Cheap Flights from Grimsby to Illinois in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Grimsby to Illinois

Round-trip

Cheap return flights

Enter your travel dates to find the best prices.

17:40 - 14:20

HUY

ORD

26h 40m1 stop

10:35 - 09:20

ORD

HUY

16h 45m2 stops

£724KLM

Sun, 25 Jan - Sun, 1 Feb

06:10 - 18:25

HUY

ORD

18h 15m3 stops

07:15 - 17:10

ORD

HUY

27h 55m3 stops

£735Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

06:10 - 16:20

HUY

ORD

16h 10m2 stops

07:15 - 17:10

ORD

HUY

27h 55m3 stops

£741Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

17:40 - 14:20

HUY

ORD

26h 40m1 stop

11:05 - 09:20

ORD

HUY

16h 15m2 stops

£742KLM

Thu, 8 Jan - Thu, 15 Jan

06:10 - 17:45

HUY

ORD

17h 35m2 stops

14:25 - 09:20

ORD

HUY

12h 55m2 stops

£759KLM

Sun, 25 Jan - Sun, 1 Feb

06:10 - 21:05

HUY

ORD

20h 55m2 stops

12:00 - 09:20

ORD

HUY

15h 20m2 stops

£780Multiple Airlines

Thu, 8 Jan - Thu, 15 Jan

06:10 - 16:45

HUY

ORD

16h 35m2 stops

19:20 - 21:20

ORD

HUY

20h 00m3 stops

£1,121Multiple Airlines

Thu, 8 Jan - Thu, 15 Jan

17:40 - 15:25

HUY

ORD

27h 45m3 stops

19:20 - 21:20

ORD

HUY

20h 00m3 stops

£1,177Multiple Airlines

Thu, 8 Jan - Thu, 15 Jan

06:10 - 14:10

HUY

ORD

14h 00m1 stop

18:10 - 21:20

ORD

HUY

21h 10m1 stop

£9,842Multiple Airlines

Thu, 8 Jan - Thu, 15 Jan

KLM flights from Grimsby to Illinois

Our best KLM deals on Grimsby to Illinois flight tickets

KLM

25 Jan

HUY17:40Grimsby Humberside

26h 40m

1 stop

ORD14:20Chicago O'Hare Intl

1 Feb

ORD10:35Chicago O'Hare Intl

16h 45m

2 stops

HUY09:20Grimsby Humberside

£724

Find similar

KLM

8 Jan

HUY17:40Grimsby Humberside

26h 40m

1 stop

ORD14:20Chicago O'Hare Intl

15 Jan

ORD11:05Chicago O'Hare Intl

16h 15m

2 stops

HUY09:20Grimsby Humberside

£742

Find similar

KLM

25 Jan

HUY06:10Grimsby Humberside

17h 35m

2 stops

ORD17:45Chicago O'Hare Intl

1 Feb

ORD14:25Chicago O'Hare Intl

12h 55m

2 stops

HUY09:20Grimsby Humberside

£759

Find similar

Fly from

Fly to

Route

Depart

Return

Price

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Sun 25/1

17:40-14:20

1 stop26h 40m

Chicago O'Hare Intl

Sun 1/2

10:35-09:20

2 stops16h 45m

£724

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Sun 25/1

06:10-18:25

3 stops18h 15m

Chicago O'Hare Intl

Sun 1/2

07:15-17:10

3 stops27h 55m

£735

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Sun 25/1

06:10-16:20

2 stops16h 10m

Chicago O'Hare Intl

Sun 1/2

07:15-17:10

3 stops27h 55m

£741

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Thu 8/1

17:40-14:20

1 stop26h 40m

Chicago O'Hare Intl

Thu 15/1

11:05-09:20

2 stops16h 15m

£742

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Sun 25/1

06:10-17:45

2 stops17h 35m

Chicago O'Hare Intl

Sun 1/2

14:25-09:20

2 stops12h 55m

£759

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Thu 8/1

06:10-21:05

2 stops20h 55m

Chicago O'Hare Intl

Thu 15/1

12:00-09:20

2 stops15h 20m

£780

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Thu 8/1

06:10-16:45

2 stops16h 35m

Chicago O'Hare Intl

Thu 15/1

19:20-21:20

3 stops20h 00m

£1,121

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Thu 8/1

17:40-15:25

3 stops27h 45m

Chicago O'Hare Intl

Thu 15/1

19:20-21:20

3 stops20h 00m

£1,177

GrimsbyChicago

HUY - ORD

HUYORD

Grimsby Humberside

Thu 8/1

06:10-14:10

1 stop14h 00m

Chicago O'Hare Intl

Thu 15/1

18:10-21:20

1 stop21h 10m

£9,842

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Grimsby to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart on your flight to Illinois is on a Wednesday when prices can be found for as low as £652. This is often the case because there is less demand to fly during this day of the week. Flights from Grimsby to Illinois on a Saturday will generally be more expensive and average around £1,211. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Cheap Grimsby to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Grimsby to Illinois

Fastest flight time	19h 47m
Direct flights	None

The fastest flight from Grimsby to Illinois takes 19h 47m

There are no direct flights from Grimsby to Illinois. There are no popular flight routes from Grimsby to Illinois.

Search flight deals

When did momondo last update prices for flights from Grimsby Humberside Airport to Illinois?
Prices for flights from Grimsby Humberside Airport to Illinois were last updated today.
How many operators does momondo search for flights from Grimsby Humberside Airport to Illinois?
As of December 2025, there is 1 operator available to choose from for flights from Grimsby Humberside Airport to Illinois.
How old do you have to be to fly from Grimsby Humberside Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Grimsby Humberside Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Grimsby to Illinois

Compare and see reviews for airlines that fly from Grimsby to Illinois with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom £619	Free Cancellation	Rating 7.7 1,432 reviews		Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Grimsby to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Grimsby to Illinois for you.

Can I find flights from Grimsby to Illinois with flexible booking policies on momondo?

Flights from Grimsby to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Grimsby to Illinois?

momondo helps you find the best flight between Grimsby and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Grimsby to Illinois right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Grimsby to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.