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Cheap flights from Portsmouth to Mexico from £653

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MEX
3 Jul — 10 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Mexico

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Mexico
Explore the most affordable flight options available from Portsmouth to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 June 2026.

Wed 1/709:05
SOU
-
MEX
3 stops45h 25m
Multiple Airlines
Mon 6/700:30
MEX
-
SOU
3 stops36h 00m
Multiple Airlines
Deal found 2/6£887
Wed 2/919:55
SOU
-
CUN
2 stops28h 05m
British Airways
Wed 16/912:30
CUN
-
SOU
2 stops25h 00m
British Airways
Deal found 3/6£891
Tue 1/919:55
SOU
-
CUN
2 stops28h 05m
British Airways
Tue 15/920:20
CUN
-
SOU
2 stops30h 05m
British Airways
Deal found 2/6£932
Mon 30/1119:55
SOU
-
CUN
2 stops26h 00m
British Airways
Mon 14/1212:03
CUN
-
SOU
2 stops15h 37m
British Airways
Deal found 1/6£935
Mon 31/819:55
SOU
-
CUN
2 stops28h 40m
British Airways
Mon 14/912:09
CUN
-
SOU
2 stops25h 21m
British Airways
Deal found 1/6£936
Wed 1/717:20
SOU
-
CUN
3 stops33h 06m
Multiple Airlines
Tue 7/710:50
CUN
-
SOU
3 stops26h 40m
Multiple Airlines
Deal found 1/6£945
Wed 30/920:00
SOU
-
MEX
2 stops32h 55m
Aer Lingus
Sun 4/1023:55
MEX
-
SOU
2 stops25h 45m
Aer Lingus
Deal found 2/6£962
Wed 30/909:15
SOU
-
MEX
2 stops18h 55m
KLM
Sun 4/1020:05
MEX
-
SOU
1 stop13h 45m
KLM
Deal found 2/6£979
Mon 13/717:55
SOU
-
MEX
3 stops36h 35m
Multiple Airlines
Sun 19/700:30
MEX
-
SOU
3 stops30h 15m
Multiple Airlines
Deal found 30/5£990
Wed 15/720:00
SOU
-
CUN
2 stops47h 25m
Multiple Airlines
Wed 22/721:05
CUN
-
SOU
2 stops29h 35m
Multiple Airlines
Deal found 31/5£994
Tue 1/1215:15
SOU
-
CUN
2 stops30h 40m
British Airways
Tue 15/1213:20
CUN
-
SOU
2 stops25h 10m
British Airways
Deal found 2/6£1,003
Mon 29/619:55
SOU
-
CUN
2 stops28h 35m
British Airways
Mon 13/712:04
CUN
-
SOU
2 stops25h 26m
British Airways
Deal found 1/6£1,027

Find flight deals from Portsmouth to Mexico

Keep the following information in mind while searching for Portsmouth to Mexico flight deals. Data was last updated 3 June 2026.

Round-trip from

£887

One-way from

£653

Popular in

July

Cheapest in

February

Average price

£624
1/7-6/7
  • 1/7-6/7
  • 6 total stops
  • 81h 25m total
  • Portsmouth to Mexico
Search Deals
British Airways
  • British Airways
  • 6/10
  • 2 total stops
  • 18h 33m total
  • Portsmouth to Mexico
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£72 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Mexico 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 3 June 2026.
Use the filters below to find and compare flights from Portsmouth to Mexico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 2/9

19:55-18:00

2 stops28h 05m

Cancun

Wed 16/9

12:30-19:30

2 stops25h 00m

£891

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Tue 1/9

19:55-18:00

2 stops28h 05m

Cancun

Tue 15/9

20:20-08:25

2 stops30h 05m

£932

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 30/11

19:55-16:55

2 stops26h 00m

Cancun

Mon 14/12

12:03-08:40

2 stops15h 37m

£935

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 1/7

17:20-20:26

3 stops33h 06m

Cancun

Tue 7/7

10:50-19:30

3 stops26h 40m

£945

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 15/7

20:00-13:25

2 stops47h 25m

Cancun

Wed 22/7

21:05-08:40

2 stops29h 35m

£994

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Sat 28/11

10:15-16:55

2 stops35h 40m

Cancun

Sat 12/12

12:03-08:40

2 stops15h 37m

£994

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 29/6

19:55-18:30

2 stops28h 35m

Cancun

Mon 13/7

12:04-19:30

2 stops25h 26m

£1,027

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Fri 28/8

15:15-17:55

2 stops32h 40m

Cancun

Fri 11/9

19:45-09:45

2 stops32h 00m

£1,031

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Tue 14/7

09:15-17:59

1 stop15h 44m

Mexico City Benito Juarez

Tue 21/7

20:05-08:45

1 stop29h 40m

£1,044
Fastest return journey

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Mon 13/7

09:15-17:59

1 stop15h 44m

Mexico City Benito Juarez

Mon 20/7

20:05-17:35

1 stop14h 30m

£1,056

Flights are sorted by cheapest return flights first.

Deals found on 2/6

Showing 1-10 of 25 resultsSorted by cheapest first
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Best time to book a flight from Portsmouth to Mexico

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

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

Find hourly flight availability from Portsmouth to Mexico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 June 2026.

When flying from Portsmouth to Mexico, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 23% versus a flight in the evening.

Weekly flight availability from Portsmouth to Mexico

Explore weekly flight availability from Portsmouth to Mexico. 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 3 June 2026.

The most flights from P0R to MX0 are scheduled on a Monday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 on average).

What is the cheapest day to fly from Portsmouth to Mexico?

Use this chart to determine the cheapest time to fly return from Portsmouth to Mexico. Price data was last updated on 30 May 2026.

Travellers seeking maximum savings on their Portsmouth to Mexico flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Mexico. 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 Portsmouth to Mexico?

    Airlines like British Airways, KLM, and Virgin Atlantic fly from Portsmouth to Mexico in about 15h 44m. The time it takes to get you to your destination can typically vary by up to 12h 21m. The distance from Portsmouth to Mexico is about 5503 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portsmouth to Mexico on time: Aeromexico (92%), Virgin Atlantic (92%), EL AL (92%).

  • What are the cheapest flights from Portsmouth to Mexico?

    The cheapest flight price from Portsmouth to Mexico is £430. On average you can expect to pay £1,278. The most popular route, (Southampton Eastleigh - Mexico City Benito Juarez), can usually be booked for £881.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Mexico 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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Alternative routes for Portsmouth to Mexico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Portsmouth to Mexico

Discover the top 10 airlines that operate flights from Portsmouth to Mexico. 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 3 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air EuropaCheapest£252Average£624FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
KLMCheapest£254Average£683FlexibilityNo cancel feeOn-time75%
Search KLM flights
TUI AirwaysCheapest£273Average£303FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
AeromexicoCheapest£296Average£943FlexibilityNo cancel feeOn-timeN/A
Search Aeromexico flights
Aer LingusCheapest£445Average£586FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£447Average£808FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£454Average£641FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£458Average£698FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
AviancaCheapest£484Average£635FlexibilityNo cancel feeOn-time71%
Search Avianca flights
American AirlinesCheapest£491Average£699FlexibilityNo cancel feeOn-time71%
Search American 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?

Cheapflights makes it easy to find Portsmouth to Mexico flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Portsmouth to Mexico 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 with no change fees?

Certainly. Search results for flights to Mexico from Portsmouth 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 Portsmouth to Mexico become cheaper?

Yes! Start tracking prices for Portsmouth to Mexico flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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