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Cheap flights from Grimsby to Portugal from £244

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — LIS
25 Aug — 1 Sep1
1 adult

Cheap flight deals from Grimsby to Portugal

Keep the following information in mind while searching for Grimsby to Portugal flight deals. Data was last updated 20 August 2025.

Round-trip from

£244
KLM
  • KLM
  • 6/10-9/10
  • 2 total stops
  • 17h 15m total
  • Grimsby to Portugal
Search Deals

Find flight deals from Grimsby to Portugal

Cheapest flights from Grimsby to Portugal
Explore the most affordable flight options available from Grimsby to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 August 2025.

Mon 6/1017:35HUY - LIS
1 stop5h 15mKLM
Thu 9/1005:00LIS - HUY
1 stop12h 00mKLM
Deal found 19/8£244
Mon 6/1017:35HUY - LIS
1 stop5h 15mMultiple Airlines
Thu 9/1005:40LIS - HUY
2 stops11h 20mMultiple Airlines
Deal found 19/8£272
Thu 2/1017:35HUY - LIS
1 stop25h 05mKLM
Thu 9/1019:30LIS - HUY
1 stop21h 30mKLM
Deal found 18/8£282
Wed 1/1006:10HUY - LIS
1 stop16h 40mKLM
Wed 8/1019:30LIS - HUY
1 stop13h 50mKLM
Deal found 17/8£306
Mon 6/1017:35HUY - LIS
2 stops15h 15mAir France
Thu 9/1015:55LIS - HUY
2 stops17h 25mAir France
Deal found 19/8£365
Thu 2/1017:35HUY - LIS
1 stop25h 05mMultiple Airlines
Thu 9/1015:55LIS - HUY
2 stops17h 25mMultiple Airlines
Deal found 18/8£375
Wed 1/1006:10HUY - LIS
2 stops16h 55mMultiple Airlines
Wed 8/1007:05LIS - HUY
2 stops9h 55mMultiple Airlines
Deal found 17/8£397

Cheapflights Fare Finder

 
Customise your flight search to find flights from Grimsby to Portugal 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 20 August 2025.
Use the filters below to find and compare flights from Grimsby to Portugal that are best for you.

Fly from

Grimsby

Fly to

Portugal

Route

Depart

Return

Price

GrimsbyLisbon

HUY - LIS

HUYLIS

Grimsby Humberside

Mon 6/10

17:35-22:50

1 stop5h 15m

Lisbon Humberto Delgado

Thu 9/10

05:00-17:00

1 stop12h 00m

£244

GrimsbyLisbon

HUY - LIS

HUYLIS

Grimsby Humberside

Mon 6/10

17:35-22:50

1 stop5h 15m

Lisbon Humberto Delgado

Thu 9/10

05:40-17:00

2 stops11h 20m

£272

GrimsbyLisbon

HUY - LIS

HUYLIS

Grimsby Humberside

Thu 2/10

17:35-18:40

1 stop25h 05m

Lisbon Humberto Delgado

Thu 9/10

19:30-17:00

1 stop21h 30m

£282

GrimsbyLisbon

HUY - LIS

HUYLIS

Grimsby Humberside

Wed 1/10

06:10-22:50

1 stop16h 40m

Lisbon Humberto Delgado

Wed 8/10

19:30-09:20

1 stop13h 50m

£306

GrimsbyLisbon

HUY - LIS

HUYLIS

Grimsby Humberside

Mon 6/10

17:35-08:50

2 stops15h 15m

Lisbon Humberto Delgado

Thu 9/10

15:55-09:20

2 stops17h 25m

£365

GrimsbyLisbon

HUY - LIS

HUYLIS

Grimsby Humberside

Thu 2/10

17:35-18:40

1 stop25h 05m

Lisbon Humberto Delgado

Thu 9/10

15:55-09:20

2 stops17h 25m

£375

GrimsbyLisbon

HUY - LIS

HUYLIS

Grimsby Humberside

Wed 1/10

06:10-23:05

2 stops16h 55m

Lisbon Humberto Delgado

Wed 8/10

07:05-17:00

2 stops9h 55m

£397

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Best time to book a flight from Grimsby to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from Grimsby to Portugal (average of £101). Flying from Grimsby to Portugal in August is currently the most expensive (average of £274). 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 Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated 20 August 2025.
Read reviews from past customers who have flown with KLM from Grimsby to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,388 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

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
1,388 reviews
KLM
7.8
Good
1,388 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

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 Portugal. 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 Portugal?

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

  • How long is the flight from Grimsby to Portugal?

    KLM and Air France can get you from Grimsby to Portugal in just under 5h 15m. Your travel time can differ by up to 10h. There are 1103 mi between Grimsby and Portugal. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Grimsby to Portugal?

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

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

    Yes. Cheapflights offers flight deals from Grimsby to Portugal 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 Portugal?

    Currently, January is the cheapest month in which you can book a flight from Grimsby to Portugal (average of £101). Flying from Grimsby to Portugal in August is currently the most expensive (average of £274). 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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Top airline flying from Grimsby to Portugal

Discover the top airline that operate flights from Grimsby to Portugal. 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 20 August 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£142Average£297FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Grimsby to Portugal?

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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 Portugal.

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

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

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