$329 Cheap Flights from Mexico City (MEX) to Sun Valley (SUN)

View $329 flight on Fri, Jan 16, 2026Opens in a new window

Popular airlines from Benito Juarez International Airport (MEX) to Sun Valley, ID (SUN-Friedman Memorial)

Cheap Flights from Mexico City to Sun Valley (MEX-SUN)

Prices were available within the past 7 days and start at $329 for one-way flights and $1,189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Sun, Mar 15 - Sun, Mar 22
MEX
Mexico City
SUN
Sun Valley
$1,189 Roundtrip, found 5 days ago
$1,189
Roundtrip
found 5 days ago
Select Aeromexico flight, departing Sun, Mar 15 from Mexico City to Sun Valley, returning Sun, Mar 22, priced at $1,189 found 5 days ago
WestJet
Sun, Mar 15 - Sun, Mar 22
MEX
Mexico City
SUN
Sun Valley
$1,234 Roundtrip, found 5 days ago
$1,234
Roundtrip
found 5 days ago
Select WestJet flight, departing Sun, Mar 15 from Mexico City to Sun Valley, returning Sun, Mar 22, priced at $1,234 found 5 days ago
Aeromexico
Sun, Mar 15 - Sun, Mar 22
MEX
Mexico City
SUN
Sun Valley
$1,302 Roundtrip, found 5 days ago
$1,302
Roundtrip
found 5 days ago
Select Aeromexico flight, departing Sun, Mar 15 from Mexico City to Sun Valley, returning Sun, Mar 22, priced at $1,302 found 5 days ago
Aeromexico
Sun, Mar 15 - Sun, Mar 22
MEX
Mexico City
SUN
Sun Valley
$1,346 Roundtrip, found 5 days ago
$1,346
Roundtrip
found 5 days ago
Select Aeromexico flight, departing Sun, Mar 15 from Mexico City to Sun Valley, returning Sun, Mar 22, priced at $1,346 found 5 days ago
WestJet
Sun, Mar 15 - Sun, Mar 22
MEX
Mexico City
SUN
Sun Valley
$1,382 Roundtrip, found 5 days ago
$1,382
Roundtrip
found 5 days ago
Select WestJet flight, departing Sun, Mar 15 from Mexico City to Sun Valley, returning Sun, Mar 22, priced at $1,382 found 5 days ago
WestJet
Sun, Mar 15 - Sun, Mar 22
MEX
Mexico City
SUN
Sun Valley
$1,434 Roundtrip, found 5 days ago
$1,434
Roundtrip
found 5 days ago
Select WestJet flight, departing Sun, Mar 15 from Mexico City to Sun Valley, returning Sun, Mar 22, priced at $1,434 found 5 days ago
WestJet
Sun, Mar 15 - Sun, Mar 22
MEX
Mexico City
SUN
Sun Valley
$1,555 Roundtrip, found 5 days ago
$1,555
Roundtrip
found 5 days ago
Select WestJet flight, departing Sun, Mar 15 from Mexico City to Sun Valley, returning Sun, Mar 22, priced at $1,555 found 5 days ago
Aeromexico
Sun, Mar 15 - Sun, Mar 22
MEX
Mexico City
SUN
Sun Valley
$1,669 Roundtrip, found 5 days ago
$1,669
Roundtrip
found 5 days ago
Select Aeromexico flight, departing Sun, Mar 15 from Mexico City to Sun Valley, returning Sun, Mar 22, priced at $1,669 found 5 days ago
Aeromexico
Sun, Mar 15 - Sun, Mar 22
MEX
Mexico City
SUN
Sun Valley
$1,693 Roundtrip, found 5 days ago
$1,693
Roundtrip
found 5 days ago
Select Aeromexico flight, departing Sun, Mar 15 from Mexico City to Sun Valley, returning Sun, Mar 22, priced at $1,693 found 5 days ago

Frequently asked questions

How much does a flight from Mexico City Intl. Airport (MEX) to Friedman Memorial Airport (SUN) cost?
Snag a cheap one-way flight from $329 or cheap return flight from $1,189 from Mexico City Intl. Airport (MEX) to Friedman Memorial Airport (SUN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Mexico City Intl. Airport (MEX) to Friedman Memorial Airport (SUN)?
Planning your getaway for March can help you save, as it's the cheapest month for flights between MEX and SUN. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Mexico City Intl. Airport (MEX) to Friedman Memorial Airport (SUN)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest MEX to SUN flight.
How many flights per day from Mexico City Intl. Airport (MEX) to Friedman Memorial Airport (SUN)?
Nonstop flights from Mexico City Intl. Airport (MEX) to Friedman Memorial Airport (SUN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MEX to SUN?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mexico City Intl. Airport (MEX) to Friedman Memorial Airport (SUN)?
To avoid possible delays on the Mexico City Intl. Airport (MEX) to Friedman Memorial Airport (SUN) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be 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.
Is it cheaper to buy a plane ticket from Mexico City Intl. Airport (MEX) to Friedman Memorial Airport (SUN) last-minute?
Booking your plane ticket from MEX to SUN shortly before your trip is generally more expensive. However, if there's some wiggle room with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a MEX to SUN flight and hotel package?
Compared with arranging hotels and flights separately, booking a MEX to SUN flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the hassle out of travel planning. Just secure your flights and choose from our wide range of stays, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Mexico City Intl. Airport (MEX) to Friedman Memorial Airport (SUN)?
Typically, it's possible to reschedule or cancel your MEX to SUN flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Mexico City Intl.
Destination airport
Friedman Memorial
Roundtrip price
$1,188
Distance
1882 mi

Book with confidence

Mexico City to Sun Valley Flights

The cheapest times to fly from Mexico City to Sun Valley

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

 

The best time to book a flight from Mexico City to Sun Valley

Sunday is one of the best days to book for cheap flights from Mexico City to Sun Valley: 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 Mexico City to Sun Valley

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 Mexico City to Sun Valley in 2025. You can also book with separate airlines for your outbound and return journeys, from $329 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 Mexico City to Sun Valley 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 Mexico City to Sun Valley 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.

 

Mexico City to Sun Valley Flights

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*Available to One Key members.