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Cheap flights from Southampton to Mexico City from £620

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — MEX
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find flight deals from Southampton to Mexico City

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Mexico City
Explore the most affordable flight options available from Southampton to Mexico City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Mon 1/1208:40SOU - MEX
1 stop24h 35mMultiple Airlines
Mon 8/1221:35MEX - SOU
1 stop13h 25mMultiple Airlines
Deal found 17/10£812
Mon 1/1208:40SOU - MEX
1 stop17h 00mKLM
Mon 8/1216:35MEX - SOU
2 stops18h 25mKLM
Deal found 17/10£836
Sat 29/1109:25SOU - MEX
1 stop23h 40mMultiple Airlines
Sat 6/1221:35MEX - SOU
1 stop28h 35mMultiple Airlines
Deal found 15/10£914
Sat 29/1109:25SOU - MEX
2 stops17h 30mKLM
Sat 6/1221:50MEX - SOU
1 stop13h 35mKLM
Deal found 15/10£946
Sun 9/1109:30SOU - MEX
2 stops31h 50mBritish Airways
Sat 6/1208:00MEX - SOU
2 stops29h 40mBritish Airways
Deal found 15/10£1,073

Cheap flight deals from Southampton to Mexico City

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Mexico City (MEX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 October 2025.

Round-trip from

£812

One-way from

£620

Popular in

July

Cheapest in

September

Average price

£734
1/12-8/12
  • 1/12-8/12
  • 2 total stops
  • 38h 00m total
  • Southampton to Mexico City
Search Deals
5/11
  • 5/11
  • 3 total stops
  • 53h 35m total
  • Southampton to Mexico City
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£70 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Mexico City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 October 2025.
Use the filters below to find and compare flights from Southampton to Mexico City that are best for you.

Fly from

Southampton

Fly to

Mexico City

Route

Depart

Return

Price

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Mon 1/12

08:40-03:15

1 stop24h 35m

Mexico City Benito Juarez

Mon 8/12

21:35-17:00

1 stop13h 25m

£812

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Mon 1/12

08:40-19:40

1 stop17h 00m

Mexico City Benito Juarez

Mon 8/12

16:35-17:00

2 stops18h 25m

£836

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Thu 12/3

08:50-19:40

1 stop16h 50m

Mexico City Benito Juarez

Mon 16/3

11:35-17:00

2 stops23h 25m

£874

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Tue 13/1

09:25-11:20

2 stops31h 55m

Mexico City Benito Juarez

Tue 20/1

16:45-17:00

2 stops42h 15m

£891

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Thu 12/3

08:50-18:55

2 stops40h 05m

Mexico City Benito Juarez

Mon 16/3

09:00-17:00

2 stops26h 00m

£891

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Thu 15/1

09:00-11:20

2 stops32h 20m

Mexico City Benito Juarez

Thu 22/1

13:51-17:00

2 stops21h 09m

£891

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Mon 12/1

09:25-11:20

2 stops31h 55m

Mexico City Benito Juarez

Sun 25/1

16:45-08:50

2 stops34h 05m

£891

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Tue 13/1

17:30-20:50

2 stops33h 20m

Mexico City Benito Juarez

Wed 21/1

08:40-17:00

2 stops26h 20m

£891

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Thu 15/1

09:00-11:20

2 stops32h 20m

Mexico City Benito Juarez

Mon 26/1

08:30-08:50

2 stops18h 20m

£891

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Thu 15/1

09:00-11:20

2 stops32h 20m

Mexico City Benito Juarez

Wed 21/1

14:10-17:00

2 stops20h 50m

£891

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 19 results
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Best time to book a flight from Southampton to Mexico City

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

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

Currently, January is the cheapest month in which you can book a flight from Southampton to Mexico City (average of £296). Flying from Southampton to Mexico City in July is currently the most expensive (average of £663). 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.

Related info for your journey

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

  • How long is the flight from Southampton to Mexico City?

    Departing from Southampton to Mexico City will take you 16h 50m. Airlines will cover a distance of 5503 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Southampton to Mexico City that include hotel bookings?

    Yes. In addition to deals on Southampton to Mexico City flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Mexico City?

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

  • Can I find deals for business class flights from Southampton to Mexico City?

    Yes. Cheapflights offers flight deals from Southampton to Mexico City 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 Southampton to Mexico City?

    Currently, January is the cheapest month in which you can book a flight from Southampton to Mexico City (average of £296). Flying from Southampton to Mexico City in July is currently the most expensive (average of £663). 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

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How does Cheapflights help users find flights from Southampton to Mexico City?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southampton to Mexico City. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Mexico City?

Cheapflights helps you find that perfect flight to Mexico City from Southampton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Southampton to Mexico City with no change fees?

Certainly. Search results for flights to Mexico City from Southampton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Southampton to Mexico City become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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