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Cheap flights from Grimsby to Southeast Asia from £601

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — BKK
2 Sep — 9 Sep1
1 adult

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 28 August 2025.

Round-trip from

£601

Popular in

July

Cheapest in

May

Average price

£700
KLM
  • KLM
  • 17/9-7/10
  • 2 total stops
  • 33h 00m total
  • Grimsby to Southeast Asia
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Grimsby to Southeast Asia

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 28 August 2025.

Wed 17/909:50HUY - BKK
1 stop17h 40mKLM
Tue 7/1012:05BKK - HUY
1 stop15h 20mKLM
Deal found 27/8£601
Wed 17/906:10HUY - BKK
2 stops21h 05mMultiple Airlines
Tue 7/1012:05BKK - HUY
1 stop15h 20mMultiple Airlines
Deal found 27/8£601
Thu 11/917:35HUY - BKK
1 stop33h 55mMultiple Airlines
Wed 19/1111:35BKK - HUY
2 stops28h 45mMultiple Airlines
Deal found 25/8£613
Thu 11/917:35HUY - BKK
2 stops33h 40mAir France
Wed 19/1111:35BKK - HUY
2 stops28h 45mAir France
Deal found 25/8£616
Thu 11/909:50HUY - BKK
1 stop17h 40mKLM
Wed 19/1112:15BKK - HUY
1 stop16h 05mKLM
Deal found 25/8£683
Thu 9/1017:35HUY - BKK
2 stops30h 55mMultiple Airlines
Thu 16/1009:30BKK - HUY
2 stops17h 55mMultiple Airlines
Deal found 25/8£719
Sun 12/1009:50HUY - KUL
1 stop22h 50mKLM
Sun 19/1023:55KUL - HUY
1 stop16h 25mKLM
Deal found 28/8£742
Sun 12/1009:50HUY - KUL
2 stops31h 45mMultiple Airlines
Sun 19/1017:35KUL - HUY
2 stops34h 50mMultiple Airlines
Deal found 28/8£774
Thu 9/1009:50HUY - BKK
1 stop17h 40mKLM
Thu 16/1012:05BKK - HUY
1 stop15h 20mKLM
Deal found 25/8£776
Tue 9/1206:00HUY - DPS
2 stops30h 20mKLM
Thu 25/1221:40DPS - HUY
2 stops31h 40mKLM
Deal found 27/8£806
Sat 11/1009:50HUY - BKK
2 stops30h 50mMultiple Airlines
Fri 17/1002:10BKK - HUY
2 stops25h 15mMultiple Airlines
Deal found 27/8£815
Mon 8/1217:40HUY - DPS
2 stops18h 40mKLM
Thu 25/1221:40DPS - HUY
2 stops27h 30mKLM
Deal found 27/8£890

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 28 August 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

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Wed 17/9

09:50-09:30

1 stop17h 40m

Bangkok Suvarnabhumi

Tue 7/10

12:05-21:25

1 stop15h 20m

£601

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Wed 17/9

06:10-09:15

2 stops21h 05m

Bangkok Suvarnabhumi

Tue 7/10

12:05-21:25

1 stop15h 20m

£601

GrimsbyKuala Lumpur

HUY - KUL

HUYKUL

Grimsby Humberside

Sun 12/10

09:50-15:40

1 stop22h 50m

Kuala Lumpur Intl

Sun 19/10

23:55-09:20

1 stop16h 25m

£742

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Fri 23/1

06:00-07:30

2 stops18h 30m

Bangkok Suvarnabhumi

Sat 14/3

12:15-21:20

1 stop16h 05m

£757

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Fri 23/1

17:40-07:10

1 stop30h 30m

Bangkok Suvarnabhumi

Sat 14/3

12:15-09:20

1 stop28h 05m

£762

GrimsbyKuala Lumpur

HUY - KUL

HUYKUL

Grimsby Humberside

Sun 12/10

09:50-00:35

2 stops31h 45m

Kuala Lumpur Intl

Sun 19/10

17:35-21:25

2 stops34h 50m

£774

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Sat 31/1

06:00-07:30

2 stops18h 30m

Bangkok Suvarnabhumi

Sat 14/3

12:15-21:20

1 stop16h 05m

£776

GrimsbyBangkok

HUY - BKK

HUYBKK

Grimsby Humberside

Sat 31/1

06:00-07:10

1 stop18h 10m

Bangkok Suvarnabhumi

Sat 14/3

12:15-09:20

1 stop28h 05m

£800

GrimsbyDenpasar

HUY - DPS

HUYDPS

Grimsby Humberside

Tue 9/12

06:00-20:20

2 stops30h 20m

Denpasar Bali Ngurah Rai

Thu 25/12

21:40-21:20

2 stops31h 40m

£806

GrimsbyDenpasar

HUY - DPS

HUYDPS

Grimsby Humberside

Mon 8/12

17:40-20:20

2 stops18h 40m

Denpasar Bali Ngurah Rai

Thu 25/12

21:40-17:10

2 stops27h 30m

£890

Flights are sorted by cheapest return flights first.

Deals found on 27/8

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, May is the cheapest month in which you can book a flight from Grimsby to Southeast Asia (average of £717). Flying from Grimsby to Southeast Asia in December is currently the most expensive (average of £1,123). 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 28 August 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
7.8
Good
1,382 reviews
Check prices

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,382 reviews
KLM
7.8
Good
1,382 reviews
Check prices

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Food

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 17h 40m. 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 5900 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 - Ko Samui 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, May is the cheapest month in which you can book a flight from Grimsby to Southeast Asia (average of £717). Flying from Grimsby to Southeast Asia in December is currently the most expensive (average of £1,123). 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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Heathrow to Bangalore flights
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Stansted to Kuala Lumpur Intl flights
London City to Hong Kong flights
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Stansted to Hong Kong flights
Stansted to Colombo flights
Heathrow to Lahore flights
London City to Manila flights
Heathrow to Dhaka flights
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Gatwick to Phuket City 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 28 August 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£612Average£912FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£613Average£789FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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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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