$112 Cheap Flights from Lisbon (LIS) to Riga (RIX)

View $112 flight on Thu, Sep 4, 2025Opens in a new window

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

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Cheap Flights from Lisbon to Riga (LIS-RIX)

Prices were available within the past 7 days and start at $112 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sun, Mar 22 - Thu, Mar 26
LIS
Lisbon
RIX
Riga
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Mar 22 from Lisbon to Riga, returning Thu, Mar 26, priced at $249 found 1 day ago
Lufthansa
Fri, Dec 5 - Mon, Dec 8
LIS
Lisbon
RIX
Riga
$262 Roundtrip, found 5 days ago
$262
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Dec 5 from Lisbon to Riga, returning Mon, Dec 8, priced at $262 found 5 days ago
Lufthansa
Sun, Mar 22 - Thu, Mar 26
LIS
Lisbon
RIX
Riga
$266 Roundtrip, found 1 day ago
$266
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Mar 22 from Lisbon to Riga, returning Thu, Mar 26, priced at $266 found 1 day ago
Lufthansa
Fri, Dec 5 - Mon, Dec 8
LIS
Lisbon
RIX
Riga
$281 Roundtrip, found 5 days ago
$281
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Dec 5 from Lisbon to Riga, returning Mon, Dec 8, priced at $281 found 5 days ago
Lufthansa
Sun, Mar 22 - Thu, Mar 26
LIS
Lisbon
RIX
Riga
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Mar 22 from Lisbon to Riga, returning Thu, Mar 26, priced at $284 found 1 day ago
LOT-Polish Airlines
Thu, Dec 4 - Mon, Dec 8
LIS
Lisbon
RIX
Riga
$313 Roundtrip, found 5 days ago
$313
Roundtrip
found 5 days ago
Select LOT-Polish Airlines flight, departing Thu, Dec 4 from Lisbon to Riga, returning Mon, Dec 8, priced at $313 found 5 days ago
Swiss International Air Lines
Wed, Aug 27 - Tue, Sep 16
LIS
Lisbon
RIX
Riga
$413 Roundtrip, found 1 day ago
$413
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, Aug 27 from Lisbon to Riga, returning Tue, Sep 16, priced at $413 found 1 day ago
Austrian Airlines
Sun, Mar 22 - Thu, Mar 26
LIS
Lisbon
RIX
Riga
$421 Roundtrip, found 1 day ago
$421
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Sun, Mar 22 from Lisbon to Riga, returning Thu, Mar 26, priced at $421 found 1 day ago
Turkish Airlines
Thu, Jul 17 - Tue, Aug 5
LIS
Lisbon
RIX
Riga
$445 Roundtrip, found 1 day ago
$445
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Thu, Jul 17 from Lisbon to Riga, returning Tue, Aug 5, priced at $445 found 1 day ago
Air Baltic
Mon, Sep 1 - Mon, Sep 15
LIS
Lisbon
RIX
Riga
$469 Roundtrip, found 1 day ago
$469
Roundtrip
found 1 day ago
Select Air Baltic flight, departing Mon, Sep 1 from Lisbon to Riga, returning Mon, Sep 15, priced at $469 found 1 day ago

Find the cheapest month to fly from Lisbon (LIS) to Riga (RIX)

November is typically the cheapest month to fly

From $165 - $438 per traveler.

Graph displaying average flight prices per month

Flights from Lisbon (LIS) to Riga (RIX)
Origin airport
Humberto Delgado
Destination airport
Riga Intl.
Airlines serving
Air Baltic, Air France, Austrian Airlines, Brussels Airlines, Finnair, Iberia, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Roundtrip price
$248
Distance
1949 mi
Average flight time
4 hours 15 mins

Lisbon to Riga Flights

The cheapest times to fly from Lisbon to Riga

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 Lisbon to Riga are during the month of March. You can find some of the cheapest flights from Lisbon to Riga with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lisbon to Riga

Sunday is one of the best days to book for cheap flights from Lisbon to Riga: 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 Lisbon to Riga

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 Lisbon to Riga in 2025. You can also book with separate airlines for your outbound and return journeys, from $112 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 Lisbon to Riga 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 Lisbon to Riga 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 Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX) cost?
You can pick up cheap return tickets starting at $509 from Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX). 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 Air Baltic flight leaving LIS on July 11 2025 and touching down at RIX. The price was last updated on July 2 2025 and has not changed since.
What is the cheapest month to fly from LIS to RIX?
The cheapest flights from LIS to RIX 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 Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX)?
Hop on a direct flight with Air Baltic and go straight from Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX).
What is the cheapest airline that flies from LIS to RIX?
With fares starting at $339 for a one-way journey from LIS to RIX, 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 LIS on August 15 2025. Prices were last updated on July 2 2025 and have not changed since.
How many flights per day from Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX)?
On average, there are 1 nonstop flights flying from Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX) every week. If you don't find one that fits your schedule, consider taking a flight with a layover. Filter your search results on Expedia to include one or more stops and opt for the next best option.
What are the most popular departure times for flights from Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX)?
Flights between LIS and RIX are their busiest at 3 PM. If you're after a quieter experience and potentially cheaper prices, look for a time outside the usual busy windows.
What day of the week has the most flights from LIS to RIX?
If you fly on a Saturday, you'll get the biggest range of choices for flights from Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX).
What is the earliest flight from Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX)?
The earliest flight out of Humberto Delgado Airport (LIS) is at around 3:40PM UTC+0. Hop on this flight and you'll arrive at Riga Intl. Airport (RIX) at approximately 10:00PM UTC+2. The overall travel time is 4h 20m.
How long does it take to fly from Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX)?
It takes roughly 4 hours and 20 minutes to travel the 1,950 mi from LIS to RIX.
What is the best time to fly from Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX)?
To avoid possible delays on the Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**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 Riga from Humberto Delgado Airport (LIS)?
Compare your flight options from Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX). This is the only airport in Riga you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX) last-minute?
Holding off until just before your trip to book your flight from LIS to RIX often results in higher prices. While you may find some last-minute offers, they're not always guaranteed. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book a LIS to RIX flight and hotel package?
You'll generally save money by securing a LIS to RIX flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your ideal accommodations and flights, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Humberto Delgado Airport (LIS) to Riga Intl. Airport (RIX)?
You can usually reschedule or cancel your LIS to RIX flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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