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Cheap flights from Grimsby to Southeast Asia from £518

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — BKK
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Grimsby to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest flights from Grimsby to Southeast Asia
Explore the most affordable flight options available from Grimsby to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 November 2025.

Sat 13/1206:10HUY - BKK
2 stops20h 05mKLM
Sat 10/109:30BKK - HUY
2 stops30h 50mKLM
Deal found 25/11£1,301
Sat 13/1206:10HUY - BKK
2 stops20h 05mMultiple Airlines
Sat 10/112:15BKK - HUY
1 stop16h 05mMultiple Airlines
Deal found 25/11£1,332
Tue 16/1206:10HUY - BKK
3 stops29h 15mMultiple Airlines
Wed 31/1202:00BKK - HUY
3 stops26h 20mMultiple Airlines
Deal found 24/11£1,373
Mon 29/1217:40HUY - BKK
1 stop30h 30mKLM
Mon 23/212:15BKK - HUY
1 stop16h 05mKLM
Deal found 26/11£1,376
Tue 16/1209:50HUY - BKK
1 stop17h 15mKLM
Thu 1/112:15BKK - HUY
1 stop16h 05mKLM
Deal found 24/11£1,416
Sat 13/1217:30HUY - BKK
2 stops55h 00mAir France
Sat 10/109:30BKK - HUY
2 stops30h 50mAir France
Deal found 26/11£1,423

Cheap flight deals from Grimsby to Southeast Asia

Keep the following information in mind while searching for Grimsby to Southeast Asia flight deals. Data was last updated 27 November 2025.

Round-trip from

£729

One-way from

£518

Popular in

July

Cheapest in

September

Average price

£841
KLM
  • KLM
  • 25/1-29/1
  • 2 total stops
  • 43h 00m total
  • Grimsby to Southeast Asia
Search Deals
1/12
  • 1/12
  • 3 total stops
  • 56h 40m total
  • Grimsby to Southeast Asia
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Grimsby to Southeast Asia 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 27 November 2025.
Use the filters below to find and compare flights from Grimsby to Southeast Asia that are best for you.

Fly from

Grimsby

Fly to

Southeast Asia

Route

Depart

Return

Price

GrimsbyKuala Lumpur

HUY - KUL

HUYKUL

Grimsby Humberside

Sun 25/1

06:10-15:40

1 stop25h 30m

Kuala Lumpur Intl

Thu 29/1

23:50-09:20

1 stop17h 30m

£729

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Wed 18/2

17:35-07:10

1 stop30h 35m

Bangkok Suvarnabhumi

Wed 18/3

12:15-17:00

1 stop35h 45m

£734

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Wed 18/2

09:50-07:10

2 stops38h 20m

Bangkok Suvarnabhumi

Wed 18/3

08:55-21:20

2 stops19h 25m

£740

GrimsbyKuala Lumpur

HUY - KUL

HUYKUL

Grimsby Humberside

Sat 10/1

09:50-00:55

2 stops31h 05m

Kuala Lumpur Intl

Sat 17/1

20:05-21:20

2 stops33h 15m

£748

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Thu 12/2

09:50-07:10

1 stop14h 20m

Bangkok Suvarnabhumi

Wed 25/3

11:35-09:20

2 stops28h 45m

£751

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Mon 9/2

17:40-07:10

1 stop30h 30m

Bangkok Suvarnabhumi

Mon 23/3

12:15-09:20

1 stop28h 05m

£760

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Mon 9/2

06:10-07:30

2 stops18h 20m

Bangkok Suvarnabhumi

Mon 23/3

12:15-16:40

1 stop35h 25m

£796

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Thu 8/1

09:50-04:05

3 stops35h 15m

Bangkok Suvarnabhumi

Thu 15/1

13:35-17:10

3 stops34h 35m

£799

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Thu 12/2

06:10-07:10

1 stop18h 00m

Bangkok Suvarnabhumi

Wed 25/3

12:15-21:20

1 stop16h 05m

£806

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Mon 9/2

06:10-07:30

2 stops18h 20m

Bangkok Suvarnabhumi

Mon 23/3

11:35-09:20

2 stops28h 45m

£811

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 20 results
1
2

Best time to book a flight from Grimsby to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia 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 Southeast Asia

What is the cheapest month to book a flight from Grimsby to Southeast Asia?

Currently, March is the cheapest month in which you can book a flight from Grimsby to Southeast Asia (average of £395). Flying from Grimsby to Southeast Asia in July is currently the most expensive (average of £576). 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.

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated 27 November 2025.
See what other customers who have flown with KLM from Grimsby to Southeast Asia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.2

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Crew

8.4

Comfort

7.6

Boarding

7.8

Overall

7.7

Food

7.2

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Grimsby to Southeast Asia. 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 Southeast Asia?

    Most people fly from Grimsby Humberside (HUY) if they book a flight from Grimsby to Southeast Asia. Grimsby Humberside is conveniently located just 11.0 mi from Grimsby’s city center.

  • How long is the flight from Grimsby to Southeast Asia?

    Airlines like KLM fly from Grimsby to Southeast Asia in about 25h 30m. The time it takes to get you to your destination can typically vary by up to . Grimsby and Southeast Asia are separated by a distance of 6552 mi.

  • What are the most popular routes from Grimsby to Southeast Asia?

    The most popular flight routes from Grimsby to Southeast Asia are Grimsby Humberside - Bangkok Suvarnabhumi, Grimsby Humberside - Kuala Lumpur Intl and Grimsby Humberside - Denpasar Bali Ngurah Rai.

  • Can I find deals for flights from Grimsby to Southeast Asia that include hotel bookings?

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

  • How can I find direct flights from Grimsby to Southeast Asia?

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

  • Can I find deals for business class flights from Grimsby to Southeast Asia?

    Yes. Cheapflights offers flight deals from Grimsby to Southeast Asia 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 Southeast Asia?

    Currently, March is the cheapest month in which you can book a flight from Grimsby to Southeast Asia (average of £395). Flying from Grimsby to Southeast Asia in July is currently the most expensive (average of £576). 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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Alternative routes for Grimsby to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Gatwick to Kuala Lumpur Intl flights
Gatwick to Manila flights
Manchester to Islamabad flights
Gatwick to Colombo flights
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Stansted to Manila flights
Heathrow to Islamabad flights
Stansted to Colombo flights
Heathrow to Phuket City flights
London City to Kuala Lumpur Intl flights
Gatwick to New Delhi flights
Stansted to New Delhi flights
Stansted to Haneda flights
Heathrow to Hyderabad flights
Gatwick to Singapore flights
Gatwick to Mumbai flights
Stansted to Mumbai flights
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London City to Manila flights
Gatwick to Hong Kong flights
Gatwick to Phuket City flights
Heathrow to Ahmedabad flights
Heathrow to Vasco da Gama flights
Stansted to Hong Kong flights
London City to Hong Kong flights
Heathrow to Malé flights

Top 2 airlines flying from Grimsby to Southeast Asia

Discover the top 2 airlines that operate flights from Grimsby to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£625Average£942FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£625Average£799FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Grimsby to Southeast Asia?

When you search for this flight from Grimsby to Southeast Asia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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 Southeast Asia.

Can Cheapflights find flights from Grimsby to Southeast Asia with no change fees?

Certainly. Search results for flights to Southeast Asia from Grimsby shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Grimsby to Southeast Asia become cheaper?

Of course! You can now track prices for flights from Grimsby to Southeast Asia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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