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Cheap flights from Grimsby to Sydney from £686

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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
HUY — SYD
7 Jul — 14 Jul1
1 adult

Cheap flight deals from Grimsby to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Grimsby (HUY) to Sydney (SYD). 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 2 July 2025.

Round-trip from

£1,019

One-way from

£686

Popular in

September

Cheapest in

March

Average price

£1,720
16/8-23/8
  • 16/8-23/8
  • 6 total stops
  • 61h 05m total
  • Grimsby to Sydney
17/12
  • 17/12
  • 3 total stops
  • 38h 35m total
  • Grimsby to Sydney
Highest demand for flights based on searches. 6% potential increase in price (£67 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£43 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Grimsby to Sydney

Cheapest flights from Grimsby to Sydney
Explore the most affordable flight options available from Grimsby to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

Sat 16/817:35HUY - SYD
3 stops31h 35mMultiple Airlines
Sat 23/812:50SYD - HUY
3 stops29h 30mMultiple Airlines
Deal found 2/7£1,019
Tue 23/906:10HUY - SYD
2 stops39h 15mKLM
Thu 9/1010:50SYD - HUY
2 stops44h 35mKLM
Deal found 30/6£1,172
Tue 8/706:10HUY - SYD
2 stops41h 50mAir France
Tue 15/711:00SYD - HUY
2 stops55h 20mAir France
Deal found 1/7£1,404

Cheapflights Fare Finder

Customise your flight search to find flights from Grimsby to Sydney 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 2 July 2025.
Use the filters below to find and compare flights from Grimsby to Sydney that are best for you.

Fly from

Grimsby

Fly to

Sydney

Route

Depart

Return

Price

GrimsbySydney

HUY - SYD

HUYSYD

Grimsby Humberside

Sat 16/8

17:35-10:10

3 stops31h 35m

Sydney Kingsford Smith

Sat 23/8

12:50-09:20

3 stops29h 30m

£1,019

GrimsbySydney

HUY - SYD

HUYSYD

Grimsby Humberside

Tue 23/9

06:10-06:25

2 stops39h 15m

Sydney Kingsford Smith

Thu 9/10

10:50-21:25

2 stops44h 35m

£1,172

GrimsbySydney

HUY - SYD

HUYSYD

Grimsby Humberside

Thu 14/8

17:35-09:00

2 stops54h 25m

Sydney Kingsford Smith

Thu 21/8

11:00-17:00

2 stops63h 00m

£1,514

GrimsbySydney

HUY - SYD

HUYSYD

Grimsby Humberside

Wed 17/12

17:30-19:05

3 stops38h 35m

£686

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Best time to book a flight from Grimsby to Sydney

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

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

Currently, May is the cheapest month in which you can book a flight from Grimsby to Sydney (average of £985). Flying from Grimsby to Sydney in July is currently the most expensive (average of £1,708). 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 Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 2 July 2025.
Check out reviews from past customers who have flown with KLM and Air France from Grimsby to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.8

Food

7.2

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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.

Boarding

7.8

Food

7.2

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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.

Boarding

7.8

Food

7.2

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

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 Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Grimsby to Sydney round-trip?

    Flying on KLM is currently your cheapest option to Sydney, with prices starting at £1,172. Another option worth looking into is Air France, starting at £1,514 return. These flights start at 13% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Grimsby to Sydney (average of £985). Flying from Grimsby to Sydney in July is currently the most expensive (average of £1,708). 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 Grimsby?

Book flights to Grimsby if you plan to visit one of these locations
Bondi Beach
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Grimsby to Sydney

Discover the top airline that operate flights from Grimsby to Sydney. 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 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£1,038Average£1,204FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Grimsby to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Sydney from Grimsby by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Grimsby to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Grimsby to Sydney 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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