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Cheap flights from Southampton to Mexico City from £401

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — MEX
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 4 August 2026.

Tue 1/909:05 -
1 stop15h 54m
Mon 7/920:05 -
1 stop29h 40m
Deal found 2/8£972
Tue 1/909:05 -
1 stop15h 54m
Mon 7/920:05 -
1 stop13h 45m
Deal found 4/8£984
Tue 1/920:00 -
2 stops32h 55m
Mon 7/911:20 -
2 stops22h 30m
Deal found 2/8£1,002
Tue 1/909:05 -
2 stops19h 45m
Mon 7/908:40 -
2 stops16h 55m
Deal found 4/8£1,023
Tue 18/809:15 -
2 stops21h 15m
Fri 21/806:00 -
2 stops29h 10m
Deal found 4/8£1,077

Find 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 4 August 2026.

Round-trip from

£972

One-way from

£401

Popular in

July

Cheapest in

February

Average price

£984
KLM
  • KLM
  • 1/9-7/9
  • 2 total stops
  • 45h 34m total
  • Southampton to Mexico City
Search Deals
14/9
  • 14/9
  • 2 total stops
  • 33h 25m total
  • Southampton to Mexico City
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£158 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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 4 August 2026.
Use the filters below to find and compare flights from Southampton to Mexico City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Tue 1/9

09:05-17:59

1 stop15h 54m

Mexico City Benito Juarez

Mon 7/9

20:05-08:45

1 stop29h 40m

£972
Fastest return journey

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Tue 1/9

09:05-17:59

1 stop15h 54m

Mexico City Benito Juarez

Mon 7/9

20:05-16:50

1 stop13h 45m

£984

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Tue 1/9

20:00-21:55

2 stops32h 55m

Mexico City Benito Juarez

Mon 7/9

11:20-16:50

2 stops22h 30m

£1,002

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Tue 1/9

09:05-21:50

2 stops19h 45m

Mexico City Benito Juarez

Mon 7/9

08:40-08:35

2 stops16h 55m

£1,023

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Sun 10/1

20:50-18:45

2 stops27h 55m

Mexico City Benito Juarez

Mon 18/1

21:00-08:25

2 stops29h 25m

£1,056

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Tue 18/8

09:15-23:30

2 stops21h 15m

Mexico City Benito Juarez

Fri 21/8

06:00-18:10

2 stops29h 10m

£1,077

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Fri 22/1

15:15-18:45

2 stops33h 30m

Mexico City Benito Juarez

Tue 26/1

14:55-19:30

2 stops46h 35m

£1,124

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Thu 21/1

19:55-18:45

2 stops28h 50m

Mexico City Benito Juarez

Sun 24/1

21:00-20:55

2 stops17h 55m

£1,144
Cheapest one-way

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Fri 4/9

20:00-23:30

3 stops34h 30m

£420

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Mon 14/9

19:20-18:50

1 stop30h 30m

£588

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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.

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 15h 54m. Airlines will cover a distance of 5503 mi.

  • 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.

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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