US$400 Cheap Flights from Porto to Siem Reap (OPO-REP)

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Cheap Flights from Porto to Siem Reap

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Cheap Flights from Porto to Siem Reap starting at US$400

Book one-way or return flights from Porto to Siem Reap from as little as US$400. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Porto to Siem Reap? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Porto to Siem Reap. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Cheapest Airlines flying from Porto to Siem Reap

View airlines operating flights from Porto to Siem Reap. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Transavia France

From US$400

Tap Portugal

From US$419

easyJet

From US$539

Singapore Airlines

From US$690

Turkish Airlines

From US$697

Vueling Airlines

From US$715

KLM

From US$751

Lufthansa

From US$768

Swiss Airlines

From US$863

Austrian Airlines

From US$953

ANA airlines

Find more flights and airlines

Alternative Routes from Porto to Siem Reap

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Porto to Siem Reap.

Cheapest
OPO
19:35
39h 35m
2 transfer
SAI
17:10
Francisco Sa Carneiro International Airport - Siem Reap Angkor International Airport
Mon, Jun 17Transavia France
US$400
OPO
19:35
39h 35m
2 transfer
SAI
17:10
Francisco Sa Carneiro International Airport - Siem Reap Angkor International Airport
Mon, Jun 17Transavia France
US$400
Find More Flights

Frequently Asked Questions

When to buy flight tickets from Porto (OPO) to Siem Reap (REP) the cheapest?
Airlines adjust prices for flights from Porto to Siem Reap based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Porto (OPO) to Siem Reap (REP) cost?
According to Trip.com's data, the lowest price is around US$1,460.
What is the transportation method from the main airport to downtown in Siem Reap?
- The distance from Siem Reap Angkor International Airport to downtown is about 39km, by taxi about 50 minutes.
How many airports in Siem Reap?
There are 2 airports near Siem Reap: Siem Reap International Airport and Siem Reap Angkor International Airport.

How to find a cheap flight from Porto to Siem Reap

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Porto to Siem Reap. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

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Look Out for Deals

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Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

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