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Cheap flights from Portsmouth to Mexico City from £483

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MEX
21 May — 28 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Mexico City

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Mexico City
Explore the most affordable flight options available from Portsmouth to Mexico City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 April 2026.

Thu 4/609:05
SOU
-
MEX
3 stops45h 05m
Multiple Airlines
Wed 10/600:30
MEX
-
SOU
2 stops36h 00m
Multiple Airlines
Deal found 20/4£886
Sun 31/509:15
SOU
-
MEX
3 stops44h 55m
Multiple Airlines
Sun 7/612:05
MEX
-
SOU
2 stops21h 45m
Multiple Airlines
Deal found 16/4£988
Mon 16/1117:30
SOU
-
MEX
2 stops34h 40m
Delta
Wed 25/1108:40
MEX
-
SOU
2 stops17h 40m
Delta
Deal found 17/4£1,009
Thu 4/609:05
SOU
-
MEX
1 stop15h 54m
KLM
Thu 11/620:05
MEX
-
SOU
1 stop29h 40m
KLM
Deal found 20/4£1,036
Fri 30/1008:40
SOU
-
MEX
2 stops36h 00m
Delta
Wed 11/1108:40
MEX
-
SOU
2 stops17h 40m
Delta
Deal found 19/4£1,037
Fri 30/1008:40
SOU
-
MEX
2 stops40h 40m
Delta
Sun 8/1116:15
MEX
-
SOU
2 stops33h 55m
Delta
Deal found 17/4£1,039
Sat 31/1017:30
SOU
-
MEX
2 stops33h 08m
Delta
Mon 9/1107:05
MEX
-
SOU
2 stops19h 05m
Delta
Deal found 17/4£1,039
Tue 27/1017:30
SOU
-
MEX
2 stops33h 40m
Delta
Wed 11/1116:35
MEX
-
SOU
2 stops18h 25m
Delta
Deal found 20/4£1,048

Find flight deals from Portsmouth to Mexico City

Keep the following information in mind while searching for Portsmouth to Mexico City flight deals. Data was last updated 21 April 2026.

Round-trip from

£988

One-way from

£483

Popular in

July

Cheapest in

January

Average price

£740
31/5-7/6
  • 31/5-7/6
  • 5 total stops
  • 66h 40m total
  • Portsmouth to Mexico City
Search Deals
8/8
  • 8/8
  • 3 total stops
  • 59h 20m total
  • Portsmouth to Mexico City
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth 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 21 April 2026.
Use the filters below to find and compare flights from Portsmouth 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

Thu 14/5

09:20-20:45

2 stops18h 25m

Mexico City Benito Juarez

Tue 9/6

22:00-09:45

2 stops28h 45m

£1,097

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Thu 14/5

09:20-20:45

2 stops18h 25m

Mexico City Benito Juarez

Wed 10/6

22:00-08:25

2 stops27h 25m

£1,099

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Thu 14/5

09:20-20:45

2 stops18h 25m

Mexico City Benito Juarez

Mon 18/5

22:00-09:45

2 stops28h 45m

£1,104
Fastest return journey

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Sat 2/5

09:15-21:50

2 stops19h 35m

Mexico City Benito Juarez

Sat 9/5

13:55-16:50

2 stops19h 55m

£1,151

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Sat 16/5

19:40-19:45

2 stops55h 05m

Mexico City Benito Juarez

Thu 11/6

22:00-09:45

2 stops28h 45m

£1,157

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Sat 16/5

19:40-19:45

2 stops55h 05m

Mexico City Benito Juarez

Mon 8/6

22:00-08:25

2 stops27h 25m

£1,157

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Sat 16/5

09:20-20:45

2 stops18h 25m

Mexico City Benito Juarez

Fri 22/5

22:00-08:25

2 stops27h 25m

£1,167

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Sun 17/5

20:45-19:45

2 stops30h 00m

Mexico City Benito Juarez

Sun 24/5

22:00-08:25

2 stops27h 25m

£1,175

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Sun 31/5

09:15-17:59

1 stop15h 44m

Mexico City Benito Juarez

Sun 7/6

20:05-08:35

1 stop29h 30m

£1,193
Cheapest one-way

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Sat 8/8

20:00-00:20

3 stops59h 20m

£483

Flights are sorted by cheapest return flights first.

Deals found on 20/4

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from Portsmouth to Mexico City

Have a flexible travel schedule? Discover the best time to fly to Mexico City from Portsmouth 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 Portsmouth to Mexico City

What is the cheapest time of day to fly from P0R to MEX?

Find hourly flight availability from Portsmouth to Mexico City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 April 2026.

When flying from Portsmouth to Mexico City, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Portsmouth to Mexico City

Explore weekly flight availability from Portsmouth to Mexico City. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 April 2026.

The most flights from P0R to MEX are scheduled on a Friday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Related info for your journey

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

  • What airport do you fly into for flights to Mexico City from Portsmouth?

    Located just 5.5 mi from the city center, Mexico City Benito Juarez is the airport most travelers will use when flying to Mexico City from Portsmouth. Booking flights from Portsmouth to Benito Juarez (MEX) should be relatively easy as there are 0 daily inbound flights from Portsmouth from 12 different airlines.

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

    Departing from Portsmouth to Mexico City will take you 18h 25m. There are 5503 mi between Portsmouth and Mexico City.

  • What are the most reliable airlines from Portsmouth to Mexico City?

    The top 3 most reliable airlines when flying from Portsmouth to Mexico City are Aeromexico (93%), Virgin Atlantic (93%) and EL AL (93%).

  • What are the cheapest flights from Portsmouth to Mexico City?

    While on average a flight from Portsmouth to Mexico City is generally £1,142, our data shows the cheapest flight currently is £498. When looking at the most popular route, (Southampton Eastleigh - Mexico City Benito Juarez), you can expect to pay £900 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Portsmouth to Mexico City

Discover the top 10 airlines that operate flights from Portsmouth to Mexico City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 April 2026.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest£295Average£691FlexibilityNo cancel feeOn-timeN/A
Search Aeromexico flights
AviancaCheapest£477Average£611FlexibilityNo cancel feeOn-time71%
Search Avianca flights
American AirlinesCheapest£502Average£642FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£520Average£650FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£521Average£660FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£521Average£700FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£532Average£867FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£549Average£1,049FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£568Average£769FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£571Average£706FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Portsmouth to Mexico City, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Portsmouth to Mexico City for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to Mexico City, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Mexico City from Portsmouth today and book when prices fit your budget.

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