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Cheap flights from Grimsby to Portugal from £401

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — LIS
8 Jul — 15 Jul1
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 3 July 2025.

Round-trip from

£401
KLM
  • KLM
  • 15/8-22/8
  • 2 total stops
  • 22h 45m total
  • Grimsby to Portugal

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 3 July 2025.

Fri 15/809:50HUY - LIS
1 stop13h 00mKLM
Fri 22/811:40LIS - HUY
1 stop9h 45mKLM
Deal found 1/7£401
Fri 15/817:35HUY - LIS
2 stops15h 15mMultiple Airlines
Fri 22/821:45LIS - HUY
2 stops23h 40mMultiple Airlines
Deal found 1/7£517

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 3 July 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

Fri 15/8

09:50-22:50

1 stop13h 00m

Lisbon Humberto Delgado

Fri 22/8

11:40-21:25

1 stop9h 45m

£401

GrimsbyLisbon

HUY - LIS

HUYLIS

Grimsby Humberside

Fri 15/8

17:35-08:50

2 stops15h 15m

Lisbon Humberto Delgado

Fri 22/8

21:45-21:25

2 stops23h 40m

£517

Flights are sorted by cheapest return flights first.

Deals found on 1/7

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 3 July 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.

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

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.

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.2

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.

  • 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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Alternative routes for Grimsby to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

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 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£140Average£302FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Grimsby to Portugal 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 Portugal?

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.

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

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