$145 Cheap Flights from Riga (RIX) to Lisbon (LIS)

View $145 flight on Wed, Oct 22, 2025Opens in a new window

Popular airlines from Riga International Airport (RIX) to Humberto Delgado Airport (LIS)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Riga to Lisbon (RIX-LIS)

Prices were available within the past 7 days and start at $145 for one-way flights and $198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, Dec 5 - Sun, Dec 7
RIX
Riga
LIS
Lisbon
$198 Roundtrip, found 1 day ago
$198
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Dec 5 from Riga to Lisbon, returning Sun, Dec 7, priced at $198 found 1 day ago
Lufthansa
Thu, Oct 23 - Wed, Nov 5
RIX
Riga
LIS
Lisbon
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Thu, Oct 23 from Riga to Lisbon, returning Wed, Nov 5, priced at $243 found 1 day ago
Lufthansa
Mon, Sep 22 - Mon, Sep 29
RIX
Riga
LIS
Lisbon
$257 Roundtrip, found 6 days ago
$257
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, Sep 22 from Riga to Lisbon, returning Mon, Sep 29, priced at $257 found 6 days ago
Lufthansa
Fri, Dec 5 - Sun, Dec 7
RIX
Riga
LIS
Lisbon
$266 Roundtrip, found 1 day ago
$266
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Dec 5 from Riga to Lisbon, returning Sun, Dec 7, priced at $266 found 1 day ago
Lufthansa
Fri, Dec 5 - Sun, Dec 7
RIX
Riga
LIS
Lisbon
$270 Roundtrip, found 1 day ago
$270
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Dec 5 from Riga to Lisbon, returning Sun, Dec 7, priced at $270 found 1 day ago
Lufthansa
Thu, Oct 23 - Wed, Nov 5
RIX
Riga
LIS
Lisbon
$271 Roundtrip, found 1 day ago
$271
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Thu, Oct 23 from Riga to Lisbon, returning Wed, Nov 5, priced at $271 found 1 day ago
Lufthansa
Mon, Sep 22 - Mon, Sep 29
RIX
Riga
LIS
Lisbon
$274 Roundtrip, found 6 days ago
$274
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Mon, Sep 22 from Riga to Lisbon, returning Mon, Sep 29, priced at $274 found 6 days ago
Lufthansa
Fri, Dec 5 - Sun, Dec 7
RIX
Riga
LIS
Lisbon
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Dec 5 from Riga to Lisbon, returning Sun, Dec 7, priced at $275 found 1 day ago
Air Baltic
Sat, Dec 13 - Sat, Dec 20
RIX
Riga
LIS
Lisbon
$298 Roundtrip, found 3 hours ago
$298
Roundtrip
found 3 hours ago
Select Air Baltic flight, departing Sat, Dec 13 from Riga to Lisbon, returning Sat, Dec 20, priced at $298 found 3 hours ago
British Airways
Fri, Dec 5 - Sun, Dec 7
RIX
Riga
LIS
Lisbon
$302 Roundtrip, found 1 day ago
$302
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, Dec 5 from Riga to Lisbon, returning Sun, Dec 7, priced at $302 found 1 day ago
Flights from Riga (RIX) to Lisbon (LIS)
Origin airport
Riga Intl.
Destination airport
Humberto Delgado
Airlines serving
Air Baltic, Air France, British Airways, Brussels Airlines, Finnair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, TAP Portugal, Turkish Airlines
Roundtrip price
$197
Distance
1949 mi

Riga to Lisbon Flights

The cheapest times to fly from Riga to Lisbon

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Riga to Lisbon are during the month of December. You can find some of the cheapest flights from Riga to Lisbon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Riga to Lisbon

Sunday is one of the best days to book for cheap flights from Riga to Lisbon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Riga to Lisbon

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Riga to Lisbon in 2025. You can also book with separate airlines for your outbound and return journeys, from $145 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Riga to Lisbon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Riga to Lisbon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Riga Intl. Airport (RIX) to Humberto Delgado Airport (LIS) cost?
Score cheap return tickets from Riga Intl. Airport (RIX) to Humberto Delgado Airport (LIS) starting at $476. Reserve your seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a TAP Portugal flight leaving RIX on May 3 2025 and touching down at LIS. The price was last updated on April 29 2025 and has not changed since.
What is the cheapest month to fly from RIX to LIS?
The cheapest flights from RIX to LIS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Riga Intl. Airport (RIX) to Humberto Delgado Airport (LIS)?
When jetting out of Riga Intl. Airport (RIX), you can get on a direct flight to Humberto Delgado Airport (LIS) with Air Baltic.
What is the cheapest airline that flies from RIX to LIS?
With tickets starting at $237 for a one-way flight from RIX to LIS, Air Baltic is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from RIX on July 21 2025. Prices were last updated on April 29 2025 and have not changed since.
How many flights per day from Riga Intl. Airport (RIX) to Humberto Delgado Airport (LIS)?
On average, Riga Intl. Airport (RIX) has 1 nonstop flights to Humberto Delgado Airport (LIS) every week. For more choice, take advantage of Expedia’s filters to look for flights with layovers. Squeeze in a visit to another city or simply break up your travels.
What are the most popular departure times for flights from Riga Intl. Airport (RIX) to Humberto Delgado Airport (LIS)?
Flights between RIX and LIS tend to be busiest at 12 PM. If you’re after a quieter experience and potentially cheaper prices, look for a departure that’s outside typical rush times.
What day of the week has the most flights from RIX to LIS?
Saturday has the most flights from Riga Intl. Airport (RIX) to Humberto Delgado Airport (LIS). Consider jetting off on this day and you’ll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from Riga Intl. Airport (RIX) to Humberto Delgado Airport (LIS)?
Catch the earliest flight at around 12:10PM UTC+2, departing from Riga Intl. Airport (RIX). You’ll be flying for roughly 4h 45m, arriving at Humberto Delgado Airport (LIS) at approximately 2:55PM UTC+0.
How long does it take to fly from Riga Intl. Airport (RIX) to Humberto Delgado Airport (LIS)?
Flights from RIX to LIS have an average travel time of 4 hours and 45 minutes. The distance between these two airports is 1,950 mi.
What is the best time to fly from Riga Intl. Airport (RIX) to Humberto Delgado Airport (LIS)?
To avoid potential delays on the Riga Intl. Airport (RIX) to Humberto Delgado Airport (LIS) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Lisbon District from Riga Intl. Airport (RIX)?
Humberto Delgado Airport (LIS) is the only airport in Lisbon District with direct flights from Riga Intl. Airport (RIX). Compare the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Riga Intl. Airport (RIX) to Humberto Delgado Airport (LIS) last-minute?
Booking your plane ticket from RIX to LIS right before your getaway is generally more expensive. However, if you’re flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a RIX to LIS flight and hotel package?
Securing a RIX to LIS flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our wide 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 Riga Intl. Airport (RIX) to Humberto Delgado Airport (LIS)?
If you booked your RIX to LIS flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.