Cheap flights from Grimsby to St. Louis from £915

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Grimsby to St. Louis departing on 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Delta Logo
06:00 - 18:04HUY-STL
18h 04m2 stops
Delta Logo
11:51 - 09:20STL-HUY
16h 29m2 stops
£915Delta
Find Deal
Thu, 5 Mar - Mon, 9 Mar
Delta Logo
09:50 - 20:39HUY-STL
16h 49m2 stops
Delta Logo
16:00 - 17:10STL-HUY
20h 10m2 stops
£915Delta
Find Deal
Thu, 5 Mar - Mon, 9 Mar

Delta flights from Grimsby to St. Louis

Our best Delta deals on Grimsby to St. Louis flight tickets
Delta
5 Mar
HUY06:00Grimsby Humberside
18h 04m
2 stops
STL18:04Lambert-St Louis
9 Mar
STL11:51Lambert-St Louis
16h 29m
2 stops
HUY09:20Grimsby Humberside
Delta
5 Mar
HUY09:50Grimsby Humberside
16h 49m
2 stops
STL20:39Lambert-St Louis
9 Mar
STL16:00Lambert-St Louis
20h 10m
2 stops
HUY17:10Grimsby Humberside

momondo 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, momondo users made 279,928 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from Grimsby to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GrimsbySt. Louis

HUY - STL

HUYSTL

Grimsby Humberside

Thu 5/3

06:00-18:04

2 stops18h 04m

Lambert-St Louis

Mon 9/3

11:51-09:20

2 stops16h 29m

£915

GrimsbySt. Louis

HUY - STL

HUYSTL

Grimsby Humberside

Thu 5/3

09:50-20:39

2 stops16h 49m

Lambert-St Louis

Mon 9/3

16:00-17:10

2 stops20h 10m

£915

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to St. Louis from

How to get the cheapest flight ticket from Grimsby to St. Louis

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

Which airlines fly to St. Louis?

Virgin Atlantic, Finnair and British Airways are the top three most popular airlines that fly to St. Louis from Grimsby according to our data. Virgin Atlantic is the first choice among our users, with 57% of people opting to fly with this airline when travelling to St. Louis. Keep in mind that there are 10 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

When to book flights from Grimsby to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Grimsby to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Grimsby to St. Louis (HUY to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Grimsby to St. Louis

Direct flights

None
There are no direct flights from Grimsby to St. Louis. There are no popular flight routes from Grimsby to St. Louis.
  • How far is Grimsby Humberside to Lambert-St Louis by plane?

    The distance between Grimsby Humberside and Lambert-St Louis is about 4136.8 mi. A reasonable flight in good conditions will take 16h 49m.

  • When did momondo last update prices for flights from Grimsby Humberside Airport to Lambert-St Louis Airport?

    Prices for flights from Grimsby Humberside Airport to Lambert-St Louis Airport were last updated today.

  • How old do you have to be to fly from Grimsby Humberside Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Grimsby Humberside Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Collinsville

Why use momondo?

Why should I use momondo to find a flight deal from Grimsby to St. Louis?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Grimsby.

Can I find flights from Grimsby to St. Louis with flexible booking policies on momondo?

Flights from Grimsby to St. Louis 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 St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Grimsby. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to St. Louis from Grimsby are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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