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£219 Cheap Flights from Graz (GRZ) to Lisbon (LIS)

View £219 flight on Sat, 5 Sept 2026Opens in a new window

Popular airlines from Graz (GRZ) to Humberto Delgado Airport (LIS)

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Cheap Flights from Graz (GRZ) to Lisbon (LIS)

Prices were available within the past 7 days and start at £219 for one-way flights and £335 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Fri, 28 Aug - Fri, 4 Sept
GRZ
Graz
LIS
Lisbon
£335 Return, found 3 days ago
£335
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Fri, 28 Aug from Graz to Lisbon, returning Fri, 4 Sept, priced at £335 found 3 days ago
Lufthansa
Fri, 28 Aug - Fri, 4 Sept
GRZ
Graz
LIS
Lisbon
£336 Return, found 3 days ago
£336
Return
found 3 days ago
Select Lufthansa flight, departing Fri, 28 Aug from Graz to Lisbon, returning Fri, 4 Sept, priced at £336 found 3 days ago
Swiss International Air Lines
Fri, 28 Aug - Fri, 4 Sept
GRZ
Graz
LIS
Lisbon
£342 Return, found 3 days ago
£342
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Fri, 28 Aug from Graz to Lisbon, returning Fri, 4 Sept, priced at £342 found 3 days ago
Swiss International Air Lines
Fri, 28 Aug - Fri, 4 Sept
GRZ
Graz
LIS
Lisbon
£343 Return, found 3 days ago
£343
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Fri, 28 Aug from Graz to Lisbon, returning Fri, 4 Sept, priced at £343 found 3 days ago
Lufthansa
Fri, 28 Aug - Fri, 4 Sept
GRZ
Graz
LIS
Lisbon
£345 Return, found 3 days ago
£345
Return
found 3 days ago
Select Lufthansa flight, departing Fri, 28 Aug from Graz to Lisbon, returning Fri, 4 Sept, priced at £345 found 3 days ago
Lufthansa
Fri, 28 Aug - Fri, 4 Sept
GRZ
Graz
LIS
Lisbon
£352 Return, found 3 days ago
£352
Return
found 3 days ago
Select Lufthansa flight, departing Fri, 28 Aug from Graz to Lisbon, returning Fri, 4 Sept, priced at £352 found 3 days ago
Lufthansa
Fri, 28 Aug - Fri, 4 Sept
GRZ
Graz
LIS
Lisbon
£352 Return, found 3 days ago
£352
Return
found 3 days ago
Select Lufthansa flight, departing Fri, 28 Aug from Graz to Lisbon, returning Fri, 4 Sept, priced at £352 found 3 days ago
Lufthansa
Fri, 28 Aug - Fri, 4 Sept
GRZ
Graz
LIS
Lisbon
£354 Return, found 3 days ago
£354
Return
found 3 days ago
Select Lufthansa flight, departing Fri, 28 Aug from Graz to Lisbon, returning Fri, 4 Sept, priced at £354 found 3 days ago
Swiss International Air Lines
Fri, 28 Aug - Fri, 4 Sept
GRZ
Graz
LIS
Lisbon
£359 Return, found 3 days ago
£359
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Fri, 28 Aug from Graz to Lisbon, returning Fri, 4 Sept, priced at £359 found 3 days ago
Austrian Airlines
Fri, 28 Aug - Fri, 4 Sept
GRZ
Graz
LIS
Lisbon
£367 Return, found 3 days ago
£367
Return
found 3 days ago
Select Austrian Airlines flight, departing Fri, 28 Aug from Graz to Lisbon, returning Fri, 4 Sept, priced at £367 found 3 days ago

Frequently asked questions

How much does a flight from Graz (GRZ) to Lisbon (LIS-Humberto Delgado) cost?
You can find one-way and return flights from GRZ to LIS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when GRZ to LIS ticket fares go up or down.
What is the cheapest month to fly from Graz (GRZ) to Lisbon (LIS-Humberto Delgado)?
The cheapest months to fly from GRZ to LIS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Graz (GRZ) to Lisbon (LIS-Humberto Delgado)?
Enter GRZ to LIS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Graz (GRZ) to Lisbon (LIS-Humberto Delgado)?
Lufthansa is one of the cheapest airlines offering connecting return flights from Graz (GRZ) to Lisbon (LIS-Humberto Delgado), with prices starting from around £307 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Graz (GRZ) to Lisbon (LIS-Humberto Delgado)?
To find a cheap flight from Graz (GRZ) to Lisbon (LIS-Humberto Delgado), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Graz (GRZ) to Lisbon (LIS-Humberto Delgado)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Graz (GRZ) to Lisbon (LIS-Humberto Delgado)?
There are approximately 9 connecting flights per day from Graz (GRZ) to Lisbon (LIS-Humberto Delgado). Some common connection points include Frankfurt Intl. (FRA), Vienna Intl. (VIE), and Franz Josef Strauss Intl. (MUC).
What is the earliest flight from Graz (GRZ) to Lisbon (LIS-Humberto Delgado)?
The earliest flight from Graz (GRZ) to Lisbon (LIS-Humberto Delgado) typically departs around 6:00 AM. This service is operated by Air Dolomiti and Lufthansa. This is a seasonal service, active in May, June, and August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Graz (GRZ) to Lisbon (LIS-Humberto Delgado)?
You'll typically find the most flights from Graz (GRZ) to Lisbon (LIS-Humberto Delgado) on a Wednesday, with around 25 flights available. This gives you a good selection of options for your journey. Major airlines on this route include Air Dolomiti, Austrian Airlines, and Lufthansa.
What are the most popular departure times for flights from Graz (GRZ) to Lisbon (LIS-Humberto Delgado)?
The most popular departure times for flights from Graz (GRZ) to Lisbon (LIS-Humberto Delgado) are in the evening, from 6pm to 9pm. Many major carriers, including Swiss International Air Lines, Air Dolomiti and Air Baltic, offer flights during this window. Many travellers prefer these times as they allow you to finish your day in Graz and arrive in Lisbon ready to start your trip.
How long does it take to fly from Graz (GRZ) to Lisbon (LIS-Humberto Delgado)?
There are no nonstop flights from Graz (GRZ) to Lisbon (LIS-Humberto Delgado). For flights with one stop, you can expect the journey to typically take around 6 hours 30 minutes. If your journey involves two or more stops, the travel time is usually longer, averaging about 17 hours 48 minutes. The distance covered on this route is approximately 2189 kilometres. Keep in mind that actual flight times can vary depending on factors like layover duration, routing, and wind patterns.
Can you fly business or first class from Graz (GRZ) to Lisbon (LIS-Humberto Delgado)?
You can fly business class between GRZ and LIS. Airlines that offer business class service on this route include:
  • Lufthansa
  • Swiss International Air Lines
  • Air Baltic
  • Air Dolomiti
How do I earn miles on a Graz (GRZ) to Lisbon (LIS-Humberto Delgado) flight with Expedia?
It's easy to earn miles on a Graz (GRZ) to Lisbon (LIS-Humberto Delgado) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Lisbon (LIS) from Graz (GRZ)?
If you're planning to travel to Lisbon from Thalerhof (GRZ), you can fly directly into Humberto Delgado (LIS) which offers international flights and connections. Some flights may connect through major hubs like Vienna Intl. (VIE), Franz Josef Strauss Intl. (MUC), or Frankfurt Intl. (FRA) before reaching Lisbon. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Graz (GRZ) to Lisbon (LIS-Humberto Delgado) at the last minute?
Typically, booking a last minute flight from Graz (GRZ) to Lisbon (LIS-Humberto Delgado) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Graz (GRZ) to Lisbon (LIS-Humberto Delgado) flight and hotel package?
Securing a Graz (GRZ) to Lisbon (LIS-Humberto Delgado) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Graz (GRZ) to Lisbon (LIS-Humberto Delgado)?
If you booked your Graz (GRZ) to Lisbon (LIS-Humberto Delgado) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Graz
Destination airport
Humberto Delgado
Airlines serving
Austrian Airlines, Lufthansa, Swiss International Air Lines
Return price
£335
Distance
2176 km

Book with confidence

Compare flights from Graz to Lisbon easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Graz to Lisbon. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Humberto Delgado in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Graz to Humberto Delgado.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Graz (GRZ) to Humberto Delgado (LIS)

The easiest way to view the best deals on flights from Graz to Lisbon today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Graz to Humberto Delgado start at just £335 and range up to £367.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Graz and Lisbon
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Graz to Lisbon flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Graz to Humberto Delgado for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Graz to Lisbon easily and book with confidence

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*Available to Expedia members.