Cheap Flights from Portland to San Luis Potosi

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      Travellers and cabin class, 1 Adult, Economy

      Compare Portland to San Luis Potosi flight deals

      Find the cheapest month or even day of the year to fly to San Luis Potosi

      Book the best San Luis Potosi fare with no extra fees

      Find the cheapest month to fly from Portland to San Luis Potosi

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to San Luis Potosi flights are currently cheapest in October.

      Portland to San Luis Potosi: Alternative routes

      Compare routes from Portland to San Luis Potosi below. You may find an airport to fly into that's cheaper, faster, or easier than San Luis Potosi.

      Portland to San Luis Potosi: Flight information

      The things to know before you go.
      Cheapest flight found$1,036
      Cheapest month to flySeptember

      Finding cheap flights from Portland to San Luis Potosi: Frequently asked questions

      The best price we found for a return flight from Portland to San Luis Potosi is $1,036. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Portland to San Luis Potosi. But we found flights with one or more stops from $1,036.
      As of September 2026, there are no flights flying from Portland to San Luis Potosi.
      The cheapest month to fly from Portland to San Luis Potosi is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to San Luis Potosi Airport on Sunday, 27 September 2026.
      No airlines currently offer direct flights between Portland Airport and San Luis Potosi Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Luis Potosi but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Luis Potosi is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, United offers the cheapest flight tickets to San Luis Potosi.

      Travelling from Portland Airport (PDX) to San Luis Potosi Airport (SLP): what you need to know

      • The timezone in San Luis Potosi is UTC-6, which is two hours ahead of Portland.

      • Arrive at the airport on time so you don't miss your PDX to SLP flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

      • Travelling during a peak time such as July? Major public holidays and other popular periods can lead to longer lines and delays at airport checkpoints. Play it safe and arrive up to four hours before an international flight and two hours before a domestic departure.

      • Break up your flight or take a detour to a new city with a stopover. Just deselect 'Direct flights only' to see your options when searching for tickets from Portland Airport to San Luis Potosi Airport. Many travellers pass through Dallas Fort Worth International Airport when flying between PDX and SLP.

      How to find the cheapest flights from Portland Airport (PDX) to San Luis Potosi Airport (SLP)

      • The cheapest price we've seen for a one-way Portland Airport to San Luis Potosi Airport flight is $537. A return plane ticket right now is $1,036. Depending on the availability and when you book, these fares could change.

      • To find cheap tickets from PDX to SLP, book early. Airlines typically offer lower prices when flights are first released.

      • The 'Whole month' tool shows you the cheapest flights from Portland Airport to San Luis Potosi Airport across the month. It's a great way to snap up a bargain if your travel dates are flexible.

      • There's no need to check every day to see if fares have gone down when you create a Price Alert. We'll update you the moment there's a better deal on cheap flights from PDX to SLP.

      • Tailor your flights with filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Portland Airport to San Luis Potosi Airport.

      Handy information about Portland Airport (PDX)

      • You'll find PDX at 7000 NE Airport Way.

      • Portland Airport gets top marks for on-time performance. 83% of flights that take off from PDX reach their destination on time.

      • To get to Portland Airport from central Portland, it'll take around 20 minutes by car. Of course, this depends on traffic conditions. It's approximately 19 kilometres from the airport to the city centre.

      • Planning to catch public transport? You can expect a journey time of around 40 minutes.

      • Need a handy hotel near PDX? If you're catching an early flight from Portland Airport to San Luis Potosi Airport, these accommodation options will have you sleeping moments from your check-in counter:

      Arriving at San Luis Potosi Airport (SLP)

      • Reserve a hotel close to SLP if you're taking a late Portland Airport to San Luis Potosi Airport flight. Check in to one of these accommodation options and skip the long transfer:

      • Begin your adventure by picking up a San Luis Potosi Airport rental car. Grab a set of wheels from Budget, Europcar or Dollar and explore beyond San Luis Potosi's main sights.

      • Lock in the best rate by reserving your ride from San Luis Potosi Airport about four weeks before your trip.

      Getting from San Luis Potosi Airport (SLP) to central San Luis Potosi

      • From San Luis Potosi Airport, San Luis Potosi is approximately 23 kilometres away. It takes around 25 minutes to get to the centre driving.

      • If you're travelling by public transport, expect a journey of roughly 45 minutes.

      When to fly to San Luis Potosi Airport (SLP)

      • November is the most popular month for flights from Portland Airport to San Luis Potosi Airport. To skip the crowds, visit San Luis Potosi in March.

      • The warmest month in San Luis Potosi is May, with the temperature ranging between 13ºC and 32ºC. Lock in your flights from Portland Airport to San Luis Potosi Airport in this month if you like this kind of weather.

      • If you like travelling in cooler conditions, look for a cheap ticket from PDX to SLP in January. Average temperatures are between 5ºC and 23ºC then.

      Explore more of Mexico

      • Mexico City is just one of the many cities in Mexico waiting to be discovered after you've experienced San Luis Potosi. Around 354 kilometres away to the south-east, its top attractions include Zócalo, Historic Centre (Centro Historico) and Basilica of Our Lady of Guadalupe.

      • Around 354 kilometres south-east of San Luis Potosi, Ecatepec de Morelos is another essential stop in Mexico. Experience the best of this destination with a visit to Zoologico Zacango, Centro Ecoturistico y Educación Ambiental Sierra de Guadalupe and Botanical Garden.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.