What is the cheapest airline to fly from Mexico City to San Diego round-trip?

Cheapflights users have booked flights from Mexico City to San Diego round-trip from $323. This flight start at 42% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Mexico City to San Diego one-way?

One-way options have recently been found by users for as low as $217 on Frontier. Other airlines that offer cheap prices include Delta from $331 and United Airlines from $334 one-way.

What is the cheapest day to fly from Mexico City to San Diego?

Travelers seeking maximum savings on their Mexico City to San Diego flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

What is the cheapest day to fly round-trip from Mexico City to San Diego?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 29% on the overall cost on flights from Mexico City to San Diego.

How far in advance should I book a flight from Mexico City to San Diego?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 50 days in advance, which can save you up to 17% on flights from Mexico City to San Diego compared to booking the week you need them. Waiting 50 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $217. For sooner than that we have options available in the next 3 days from $662.

What is the cheapest month to fly from Mexico City to San Diego?

The best pricing can be found in the month of March. Prices to San Diego from Mexico City average $558. You can even find prices in March for less than $558, as users have found deals to San Diego from as low as $408. The month of June appears to be one of the more expensive times to travel to San Diego from Mexico City. Flying in the targeted month can save you up to 10%.

Can I find deals for flights from Mexico City to San Diego that include hotel bookings?

Yes. In addition to deals on Mexico City to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Mexico City to San Diego?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mexico City to San Diego.

Can I find deals for business class flights from Mexico City to San Diego?

Yes. Cheapflights offers flight deals from Mexico City to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$217+ Flights from Mexico City to San Diego

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Mexico City to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Mexico City Benito Juarez to San Diego are usually found in March or May, booked 49 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Mexico City to San Diego

Round-trip from	$265 (Kiwi.com)
One-way from	$217 (SmartFares)
Popular in	June
Cheapest in	March
Average price	$575

From Mexico City Benito Juarez to San Diego

Search Deals

One-way flight from Mexico City Benito Juarez to San Diego

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($10 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Mexico City to San Diego

Cheapest flights from Mexico City to San Diego
Explore the most affordable flight options available from Mexico City to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Mon 8/2511:45 amMEX - SAN

1 stop12h 18mMultiple Airlines

Tue 9/26:15 amSAN - MEX

1 stop12h 45mMultiple Airlines

Deal found 7/3

$265

Wed 9/1711:45 amMEX - SAN

1 stop10h 39mFrontier

Mon 9/226:35 amSAN - MEX

1 stop9h 25mFrontier

Deal found 7/1

$323

Best flights from Mexico City to San Diego
Discover carefully curated flight deals from Mexico City to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Mon 8/2511:45 amMEX - SAN

1 stop12h 18mMultiple Airlines

Tue 9/26:15 amSAN - MEX

1 stop12h 45mMultiple Airlines

Deal found 7/3

$265

Wed 9/1711:45 amMEX - SAN

1 stop10h 39mFrontier

Mon 9/226:35 amSAN - MEX

1 stop9h 25mFrontier

Deal found 7/1

$323

Last-minute flights from Mexico City to San Diego
Discover last-minute flight deals from Mexico City to San Diego. Data last updated July 3, 2025 and is based on user searches.

Tue 7/812:40 amMEX - SAN

1 stop16h 19mFrontier

Wed 7/168:00 amSAN - MEX

1 stop13h 55mFrontier

Deal found 7/2

$505

Tue 7/812:15 amMEX - SAN

1 stop12h 30mAir Canada

Wed 7/166:20 amSAN - MEX

2 stops15h 30mAir Canada

Deal found 7/2

$810

Wed 7/911:20 amMEX - SAN

2 stops8h 58mAmerican Airlines

Wed 7/166:30 amSAN - MEX

2 stops8h 45mAmerican Airlines

Deal found 7/2

$670

Wed 7/91:55 amMEX - SAN

2 stops35h 14mWestJet

Mon 7/212:05 pmSAN - MEX

1 stop9h 53mWestJet

Deal found 7/1

$1,227

Thu 7/102:15 pmMEX - SAN

2 stops10h 29mUnited Airlines

Mon 7/217:27 pmSAN - MEX

2 stops12h 08mUnited Airlines

Deal found 7/2

$711

Fri 7/117:45 pmMEX - SAN

2 stops15h 10mMultiple Airlines

Sun 7/139:40 pmSAN - MEX

1 stop21h 20mMultiple Airlines

Deal found 7/2

$400

Fri 8/2211:45 amMEX - SAN

1 stop12h 18mFrontier

Sat 8/306:25 amSAN - MEX

1 stop10h 05mFrontier

Deal found 7/1

$351

Mon 8/2511:45 amMEX - SAN

1 stop12h 18mMultiple Airlines

Tue 9/26:15 amSAN - MEX

1 stop12h 45mMultiple Airlines

Deal found 7/3

$265

One-way flights from Mexico City to San Diego
Search for one-way flight options from Mexico City to San Diego. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Tue 8/128:10 amMEX - SAN

1 stop15h 52mFrontier

Deal found 7/2

$217

Sun 9/144:25 pmMEX - SAN

1 stop21h 07mMultiple Airlines

Deal found 7/2

$220

Mon 8/118:25 amMEX - SAN

2 stops13h 18mDelta

Deal found 7/3

$331

Tue 8/124:40 amMEX - SAN

3 stops17h 10mUnited Airlines

Deal found 7/2

$334

Sun 8/101:55 amMEX - SAN

1 stop12h 25mWestJet

Deal found 7/1

$396

Fri 7/2512:15 amMEX - SAN

1 stop12h 25mAir Canada

Deal found 6/30

$437

Cheapflights Fare Finder

Use the filters below to find and compare flights from Mexico City to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Mexico CitySan Diego

MEX - SAN

MEXSAN

Mexico City Benito Juarez

Mon 8/25

11:45 am-11:03 pm

1 stop12h 18m

San Diego

Tue 9/2

6:15 am-8:00 pm

1 stop12h 45m

$265

Mexico CitySan Diego

MEX - SAN

MEXSAN

Mexico City Benito Juarez

Wed 9/17

11:45 am-9:24 pm

1 stop10h 39m

San Diego

Mon 9/22

6:35 am-5:00 pm

1 stop9h 25m

$323

Mexico CitySan Diego

MEX - SAN

MEXSAN

Mexico City Benito Juarez

Tue 8/12

8:10 am-11:02 pm

1 stop15h 52m

$217

Mexico CitySan Diego

MEX - SAN

MEXSAN

Mexico City Benito Juarez

Sun 9/14

4:25 pm-12:32 pm

1 stop21h 07m

$220

Mexico CitySan Diego

MEX - SAN

MEXSAN

Mexico City Benito Juarez

Mon 8/11

8:25 am-8:43 pm

2 stops13h 18m

$331

Mexico CitySan Diego

MEX - SAN

MEXSAN

Mexico City Benito Juarez

Tue 8/12

4:40 am-8:50 pm

3 stops17h 10m

$334

Mexico CitySan Diego

MEX - SAN

MEXSAN

Mexico City Benito Juarez

Sun 8/10

1:55 am-1:20 pm

1 stop12h 25m

$396

Mexico CitySan Diego

MEX - SAN

MEXSAN

Mexico City Benito Juarez

Fri 7/25

12:15 am-11:40 am

1 stop12h 25m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Mexico City to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Mexico City with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Mexico City to San Diego

How far ahead should I book a flight from Mexico City to San Diego?

The price you pay for your flight from Mexico City to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Mexico City to San Diego?

Currently, August is the cheapest month in which you can book a flight from Mexico City to San Diego (average of $286). Flying from Mexico City to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MEX to SAN?

When flying from Mexico City to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 23% versus a flight in the afternoon.

Reviews of airlines servicing San Diego

See what other customers who have flown with Delta, United Airlines, and WestJet from Mexico City to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,970 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,845 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet

7.2

Good

2,917 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada

7.1

Good

9,678 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Frontier

5.9

Fair

3,284 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What is the cheapest airline to fly from Mexico City to San Diego round-trip?
Cheapflights users have booked flights from Mexico City to San Diego round-trip from $323. This flight start at 42% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Mexico City to San Diego one-way?
One-way options have recently been found by users for as low as $217 on Frontier. Other airlines that offer cheap prices include Delta from $331 and United Airlines from $334 one-way.
Can I find deals for flights from Mexico City to San Diego that include hotel bookings?
Yes. In addition to deals on Mexico City to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Mexico City to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mexico City to San Diego.
Can I find deals for business class flights from Mexico City to San Diego?
Yes. Cheapflights offers flight deals from Mexico City to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Mexico City to San Diego?
Currently, August is the cheapest month in which you can book a flight from Mexico City to San Diego (average of $286). Flying from Mexico City to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

El Cajon

Chula Vista

Coronado

National City

Lemon Grove

Imperial Beach

La Mesa

Poway

Alpine

Santee

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Mexico City to San Diego

Complete your trip

San Diego car rentals

San Diego Airport car rentals

Ontario Airport car rentals

Long Beach Municipal Airport car rentals

Palm Springs Airport car rentals

San Diego Carlsbad-Palomar Airport car rentals

Los Angeles car rentals

San Francisco car rentals

Fresno car rentals

San Jose car rentals

Ontario car rentals

Sacramento car rentals

Other flights to San Diego

Top airline flying from Mexico City to San Diego

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$461	Average$617	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$217+ Cheap flights from Mexico City (MEX) to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Mexico City to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Mexico City Benito Juarez to San Diego are usually found in March or May, booked 49 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Mexico City to San Diego

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Mexico City to San Diego

Cheapest flights from Mexico City to San DiegoExplore the most affordable flight options available from Mexico City to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Mexico City to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Mexico City to San Diego that are best for you.

Best time to book a flight from Mexico City to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Mexico City with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Mexico City to San Diego

How far ahead should I book a flight from Mexico City to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Mexico City to San Diego. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from Mexico City to San Diego?

What is the cheapest time of day to fly from MEX to SAN?

Find hourly flight availability from Mexico City to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Reviews of airlines servicing San Diego

See what other customers who have flown with Delta, United Airlines, and WestJet from Mexico City to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Mexico City to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Mexico City to San Diego round-trip?

What are the cheapest airlines to fly from Mexico City to San Diego one-way?

Can I find deals for flights from Mexico City to San Diego that include hotel bookings?

How can I find direct flights from Mexico City to San Diego?

Can I find deals for business class flights from Mexico City to San Diego?

What is the cheapest month to book a flight from Mexico City to San Diego?

Traveling to a place near Mexico City?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Mexico City to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Mexico City to San Diego

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Mexico City to San Diego
Explore the most affordable flight options available from Mexico City to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.