$83 Cheap Flights to San Isidro

Popular airlines to San Isidro

  • 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

How much is the cheapest flight to San Isidro?

Prices were available within the past 7 days and start at $83 for one-way flights and $167 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
avianca
United
Delta
American Airlines

Tips to find the cheapest flights to San Isidro

The cheapest day to fly

Get started finding a cheap flight to San Isidro on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

July is the cheapest month to fly to San Isidro. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to San Isidro. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to San Isidro, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to San Isidro

The lowest price for round-trip flights to San Isidro in 2025 starts from from $167, while one-way tickets start from from $83. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to San Isidro. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to San Isidro

LATAM Airlines Group, Copa, United, avianca, Arajet, Delta, American Airlines are just some of the airlines that can typically offer cheap tickets to San Isidro. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to San Isidro and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for San Isidro, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to San Isidro. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your San Isidro plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to San Isidro

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to San Isidro.

Stopover savings

The cheapest tickets to San Isidro are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to San Isidro. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to San Isidro for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to San Isidro. Simply download the free Expedia app to your smart device and activate San Isidro flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to San Isidro. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

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

What month is the cheapest to fly to San Isidro?
The best months to find cheap flights to San Isidro are typically during the off-peak season, when demand is lower. To save money, avoid flying during public holidays and school breaks.
Which US cities fly direct to San Isidro?
Nonstop flights are a great way to take the hassle out of travel. When you browse on Expedia, choose "Direct flights only" to see the direct options to fly to San Isidro.
How to find a cheap flight to San Isidro?
If you're looking for cheap flights to San Isidro, consider traveling in the low season. Booking as early as possible may also help you score savings. Or, look for departures on a different day --- flights on a Thursday are on average 16% cheaper than Sunday departures.* Sign up to receive price alerts on the Expedia app and get notifications when fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to San Isidro?
Staying flexible about your plans can help you find last-minute deals on cheap flights to San Isidro. To see all the available options, consider exploring different ticket types, tweaking your San Isidro vacation dates, jetting out of an alternative airport or using another airline.
How far in advance should I book a flight to San Isidro?
To pick up the biggest savings on domestic journeys, book your flight to San Isidro 28 days ahead of your travel dates. For international flights, it's two to four months in advance. This gives you a better chance of getting your preferred departure times and seats.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to San Isidro?
Sundays are typically the best day to book a cheap flight to San Isidro, with savings of about 8% on average compared to a Friday. If you choose to purchase on a Friday, expect to pay more as this is typically the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to San Isidro?
San Isidro has connections to 24 airports worldwide through 14 airlines, with Mariscal Sucre Intl. Airport (UIO) as its chief entry point. Select from these leading airlines to San Isidro when planning your trip:

  • LATAM Airlines
  • AVIANCA
  • Copa Airlines
  • Aeroregional

Where do you fly into San Isidro?
If you're flying to San Isidro, the main airport to arrive at is Mariscal Sucre Intl. Airport (UIO). Alternatively, you could fly to San Isidro via Tulcan (TUA-Teniente Coronel Luis a Mantilla Intl.).
How far is the airport from central San Isidro?
You'll be about 55 mi southwest of central San Isidro after arriving at Mariscal Sucre Intl. Airport (UIO).
Can I save money by booking a San Isidro trip package?
Bundle your flights and accommodations and you could save hundreds of dollars. Better yet, you can add extras like car rentals and tours to your San Isidro flight and hotel package deal. With Expedia, it's easy to book all your San Isidro travel arrangements in the same place.
Can I change or cancel my flight to San Isidro?
You can typically cancel or change your flight to San Isidro within 24 hours of booking. However, be mindful that some fares are non-refundable. In those cases, you may receive credit for a future trip rather than a direct refund. Remember to check the airline's rules and restrictions in your itinerary for exact details. You can use Expedia's "No cancel fee" or "Changes included" filters when you search to find cheap flights to San Isidro with flexible change policies. For more information, visit our Customer Service Portal.
Flights to San Isidro information
Destination airport
Mariscal Sucre Intl.
Destination airport IATA code
UIO
Destination city name
Quito
Roundtrip price
$167

Trending flights to San Isidro

Prices were available within the past 7 days and start at $83 for one-way flights and $167 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United

Explore a world of travel with Expedia

*Available to One Key members.