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Cheap flights from Grimsby to Ko Samui from £1,890

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — USM
24 Apr — 1 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Grimsby to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from Grimsby to Ko Samui
Explore the most affordable flight options available from Grimsby to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2026.

Thu 25/606:10
HUY
-
USM
2 stops24h 35m
KLM
Sun 12/708:45
USM
-
HUY
2 stops30h 35m
KLM
Deal found 23/3£1,890
Fri 26/609:50
HUY
-
USM
2 stops20h 55m
KLM
Sun 12/708:45
USM
-
HUY
2 stops30h 35m
KLM
Deal found 23/3£1,952
Thu 25/606:10
HUY
-
USM
2 stops24h 35m
KLM
Fri 10/708:10
USM
-
HUY
2 stops31h 10m
KLM
Deal found 23/3£1,964
Fri 26/617:35
HUY
-
USM
2 stops39h 10m
KLM
Sat 11/708:45
USM
-
HUY
2 stops18h 45m
KLM
Deal found 21/3£1,978
Sat 27/606:10
HUY
-
USM
2 stops24h 35m
KLM
Sun 12/708:45
USM
-
HUY
2 stops30h 35m
KLM
Deal found 23/3£1,987
Thu 25/606:10
HUY
-
USM
2 stops24h 35m
KLM
Sat 11/708:45
USM
-
HUY
2 stops18h 45m
KLM
Deal found 23/3£2,007
Fri 26/609:50
HUY
-
USM
2 stops22h 55m
KLM
Fri 10/709:15
USM
-
HUY
2 stops30h 05m
KLM
Deal found 23/3£2,025
Sat 27/606:10
HUY
-
USM
2 stops24h 35m
KLM
Fri 10/708:45
USM
-
HUY
2 stops18h 45m
KLM
Deal found 23/3£2,060
Sat 27/609:50
HUY
-
USM
2 stops23h 20m
KLM
Sat 11/708:45
USM
-
HUY
2 stops18h 45m
KLM
Deal found 23/3£2,105
Fri 26/617:35
HUY
-
USM
2 stops37h 10m
Multiple Airlines
Sat 11/718:55
USM
-
HUY
2 stops32h 35m
Multiple Airlines
Deal found 23/3£3,272

Find flight deals from Grimsby to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Grimsby (HUY) to Ko Samui (USM). 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 25 March 2026.

Round-trip from

£1,890
KLM
  • KLM
  • 25/6-12/7
  • 4 total stops
  • 55h 10m total
  • Grimsby to Ko Samui
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Grimsby to Ko Samui 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 25 March 2026.
Use the filters below to find and compare flights from Grimsby to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GrimsbyKo Samui

HUY - USM

HUYUSM

Grimsby Humberside

Thu 25/6

06:10-12:45

2 stops24h 35m

Ko Samui

Sun 12/7

08:45-09:20

2 stops30h 35m

£1,890

GrimsbyKo Samui

HUY - USM

HUYUSM

Grimsby Humberside

Fri 26/6

17:35-14:45

2 stops39h 10m

Ko Samui

Sat 11/7

08:45-21:30

2 stops18h 45m

£1,978

GrimsbyKo Samui

HUY - USM

HUYUSM

Grimsby Humberside

Sat 27/6

06:10-12:45

2 stops24h 35m

Ko Samui

Sun 12/7

08:45-09:20

2 stops30h 35m

£1,987

GrimsbyKo Samui

HUY - USM

HUYUSM

Grimsby Humberside

Sat 27/6

06:10-12:45

2 stops24h 35m

Ko Samui

Fri 10/7

08:45-21:30

2 stops18h 45m

£2,060
Fastest return journey

GrimsbyKo Samui

HUY - USM

HUYUSM

Grimsby Humberside

Sat 27/6

09:50-15:10

2 stops23h 20m

Ko Samui

Sat 11/7

08:45-21:30

2 stops18h 45m

£2,105

GrimsbyKo Samui

HUY - USM

HUYUSM

Grimsby Humberside

Fri 26/6

17:35-12:45

2 stops37h 10m

Ko Samui

Sat 11/7

21:00-21:30

2 stops30h 30m

£3,281

GrimsbyKo Samui

HUY - USM

HUYUSM

Grimsby Humberside

Thu 25/6

09:50-14:45

2 stops22h 55m

Ko Samui

Sat 11/7

08:45-09:20

2 stops30h 35m

£4,212

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Sorted by cheapest first

Best time to book a flight from Grimsby to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui 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 Ko Samui

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

Currently, May is the cheapest month in which you can book a flight from Grimsby to Ko Samui (average of £629). Flying from Grimsby to Ko Samui in August is currently the most expensive (average of £908). 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 Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Grimsby to Ko Samui?

    A quick flight from Grimsby to Ko Samui can take about 24h 35m. KLM provides one of the quickest options available for as low as £1,890. The distance from Grimsby to Ko Samui is about 6105 mi.

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

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

  • How can I find direct flights from Grimsby to Ko Samui?

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

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

    Yes. Cheapflights offers flight deals from Grimsby to Ko Samui 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 Ko Samui?

    Currently, May is the cheapest month in which you can book a flight from Grimsby to Ko Samui (average of £629). Flying from Grimsby to Ko Samui in August is currently the most expensive (average of £908). 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

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
Khanom

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Grimsby to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
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Liverpool to Suvarnabhumi flights
London City to Krabi flights
Southampton to Phuket City flights
Newcastle upon Tyne to Phuket City flights
Heathrow to Rayong flights
Birmingham to Ko Samui flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Grimsby to Ko Samui?

Cheapflights makes it easy to find Grimsby to Ko Samui flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Grimsby to Ko Samui.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Grimsby to Ko Samui flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from Grimsby to Ko Samui on Cheapflights with our Price Alert feature and get notified when better prices are available.

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