Deal alert: Fly nonstop to Mexico from Dallas, Denver and San Francisco from $222

Mexico is one of the most popular international destinations for American travelers, and now, you can go south of the border while saving big. Several airlines are running a fare sale on nonstop flights to Mexico City, Guadalajara and Monterrey from departure cities such as Chicago, Dallas, Denver and San Francisco — some tickets are going for as low as $222 round-trip.

This sale could take you to some of Mexico's most interesting and vibrant metropolitan areas. Mexico City is rich in history, culture and incredible food. Monterrey is an art lovers paradise with its eclectic museums and historic Old Town. Guadalajara is famous for its tequila and mariachi music, as well as its iconic cathedral.

The travel window for this sale from August through December of this year. Availability varies widely by route, but some do include holidays. Please note that some of the lowest prices must be booked through an online travel agency.

This deal is for economy fares. A carry-on bag is included with each airline except United Airlines. Checked luggage will cost between $35 and $70 each way.

Deal basics

Airlines: Aeromexico, Alaska Airlines, American Airlines, United Airlines

Routes: From Chicago, Dallas, Denver, Houston and San Francisco to various cities in Mexico

How to book: Browse Google Flights, then book directly with the airline

Travel dates: From mid-August through December for economy fares

This deal was originally sent out by the deal alert company Going. Sign up for Going to get up to 90% off select flights via its Premium membership, which users can try for free for 14 days and then $69 per year. You can also upgrade to the Elite tier for $199 per year for access to all the Premium deals, plus premium economy, business-class and first-class alerts.

Sample flights

This sale includes flights to the following airports in Mexico:

• Guadalajara International Airport (GDL)
• Mexico City International Airport (MEX)
• Monterrey International Airport (MTY)

We found nonstop flights from Denver International Airport (DEN) to Mexico City in August on Aeromexico for just $267 round-trip.

GOOGLE FLIGHTS

Nonstop flights from Chicago to Mexico City are priced as low as $314 round-trip in this sale. Aeromexico has good availability for itineraries from Chicago's O'Hare International Airport (ORD) to Mexico City in November and December at this price.

GOOGLE FLIGHTS

United has nonstop flights out of Chicago to Monterrey International Airport (MTY) in late summer for just $319 round-trip. Remember, United fares don't come with a free carry-on; it will cost $40 each way to check a bag.

GOOGLE FLIGHTS

However, even if you pay for a bag, you're still saving a really good amount of money on this fare, according to Google Flights.

GOOGLE FLIGHTS

If you live in Dallas, American Airlines has nonstop flights out of Dallas Fort Worth International Airport (DFW) to Monterrey from $222 round-trip in August and September. If you want to check a bag, consider upgrading to American's Main Cabin tier. It will save you almost $30 compared to paying to check a bag.

GOOGLE FLIGHTS

GOOGLE FLIGHTS

If you live in Houston, you can snag a nonstop, round-trip itinerary on United Airlines from George Bush Intercontinental Airport (IAH) to Monterrey in November for just $233. There is good availability for this route, at this price, throughout the fall.

GOOGLE FLIGHTS

Want to visit Guadalajara? Aeromexico has nonstop, round-trip flights in late October from San Francisco International Airport (SFO) to Guadalajara International Airport (GDL) from $300. That's a really good discount for this route.

GOOGLE FLIGHTS

Maximize your purchase

When you book this deal or any flights, be sure to use a credit card that earns bonus points on airfare purchases, such as:

• The Platinum Card® from American Express: 5 points per dollar spent on airfare when booked directly with the airline or through American Express Travel (on up to $500,000 of these purchases per calendar year, then 1 point per dollar)
• Chase Sapphire Reserve®: 3 points per dollar spent on travel

Bottom line

During our search, the lowest prices for flights from San Francisco to Guadalajara were in the fall. Availability for that route won't last long.

Editorial disclaimer: Opinions expressed here are the author’s alone, not those of any bank, credit card issuer, airline or hotel chain, and have not been reviewed, approved or otherwise endorsed by any of these entities.