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Cheap flights from Grimsby to St. Louis from £904

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — STL
20 Aug — 27 Aug1
1 adult

Cheap flight deals from Grimsby to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Grimsby (HUY) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 August 2025.

Round-trip from

£904
Air France
  • Air France
  • 11/9-18/9
  • 4 total stops
  • 36h 14m total
  • Grimsby to St. Louis
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Find flight deals from Grimsby to St. Louis

Cheapest flights from Grimsby to St. Louis
Explore the most affordable flight options available from Grimsby to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Thu 11/909:50HUY - STL
2 stops19h 34mAir France
Thu 18/910:40STL - HUY
2 stops16h 40mAir France
Deal found 14/8£904
Thu 11/906:10HUY - STL
2 stops16h 38mDelta
Thu 18/918:00STL - HUY
2 stops17h 00mDelta
Deal found 14/8£932
Thu 11/909:50HUY - STL
3 stops33h 40mMultiple Airlines
Thu 18/909:15STL - HUY
3 stops30h 10mMultiple Airlines
Deal found 14/8£2,144

Cheapflights Fare Finder

 
Customise your flight search to find flights from Grimsby to St. Louis 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 15 August 2025.
Use the filters below to find and compare flights from Grimsby to St. Louis that are best for you.

Fly from

Grimsby

Fly to

St. Louis

Route

Depart

Return

Price

GrimsbySt. Louis

HUY - STL

HUYSTL

Grimsby Humberside

Thu 11/9

09:50-23:24

2 stops19h 34m

Lambert-St Louis

Thu 18/9

10:40-09:20

2 stops16h 40m

£904

GrimsbySt. Louis

HUY - STL

HUYSTL

Grimsby Humberside

Thu 11/9

06:10-16:48

2 stops16h 38m

Lambert-St Louis

Thu 18/9

18:00-17:00

2 stops17h 00m

£932

GrimsbySt. Louis

HUY - STL

HUYSTL

Grimsby Humberside

Thu 11/9

09:50-13:30

3 stops33h 40m

Lambert-St Louis

Thu 18/9

09:15-21:25

3 stops30h 10m

£2,144

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Best time to book a flight from Grimsby to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis 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 St. Louis

What is the cheapest month to book a flight from Grimsby to St. Louis?

Currently, February is the cheapest month in which you can book a flight from Grimsby to St. Louis (average of £722). Flying from Grimsby to St. Louis in December is currently the most expensive (average of £1,033). 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 St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Grimsby to St. Louis that include hotel bookings?

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

  • How can I find direct flights from Grimsby to St. Louis?

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

  • Can I find deals for business class flights from Grimsby to St. Louis?

    Yes. Cheapflights offers flight deals from Grimsby to St. Louis 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 St. Louis?

    Currently, February is the cheapest month in which you can book a flight from Grimsby to St. Louis (average of £722). Flying from Grimsby to St. Louis in December is currently the most expensive (average of £1,033). 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.

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Can Cheapflights find flights from Grimsby to St. Louis with no change fees?

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

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