Find flights
When to book
FAQs

Cheap flights from Portsmouth to Mexico from £434

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 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MEX
2 Sep — 9 Sep1
1 adult

Cheap flight deals from Portsmouth to Mexico

Keep the following information in mind while searching for Portsmouth to Mexico flight deals. Data was last updated 28 August 2025.

Round-trip from

£894

One-way from

£434

Popular in

December

Cheapest in

September

Average price

£800
10/10-17/10
  • 10/10-17/10
  • 4 total stops
  • 50h 40m total
  • Portsmouth to Mexico
Search Deals
26/11
  • 26/11
  • 3 total stops
  • 39h 15m total
  • Portsmouth to Mexico
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Portsmouth to Mexico

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 28 August 2025.

Fri 10/1017:35SOU - CUN
2 stops30h 05mMultiple Airlines
Fri 17/1013:10CUN - SOU
2 stops20h 35mMultiple Airlines
Deal found 26/8£894
Sat 11/1018:05SOU - MEX
1 stop30h 54mKLM
Sat 18/1020:05MEX - SOU
1 stop29h 40mKLM
Deal found 27/8£906
Sat 11/1016:25SOU - CUN
2 stops32h 55mMultiple Airlines
Sat 18/1011:15CUN - SOU
2 stops26h 15mMultiple Airlines
Deal found 27/8£943
Sat 11/1016:25SOU - MEX
3 stops34h 55mMultiple Airlines
Fri 17/1001:55MEX - SOU
2 stops34h 35mMultiple Airlines
Deal found 27/8£1,045
Thu 16/1019:55SOU - CUN
2 stops28h 00mBritish Airways
Thu 30/1012:30CUN - SOU
2 stops26h 10mBritish Airways
Deal found 27/8£1,709

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 28 August 2025.
Use the filters below to find and compare flights from Portsmouth to Mexico that are best for you.

Fly from

Portsmouth

Fly to

Mexico

Route

Depart

Return

Price

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Fri 10/10

17:35-17:40

2 stops30h 05m

Cancun

Fri 17/10

13:10-15:45

2 stops20h 35m

£894

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Sat 11/10

18:05-17:59

1 stop30h 54m

Mexico City Benito Juarez

Sat 18/10

20:05-08:45

1 stop29h 40m

£906

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Sat 11/10

16:25-19:20

2 stops32h 55m

Cancun

Sat 18/10

11:15-19:30

2 stops26h 15m

£943

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Sat 11/10

16:25-20:20

3 stops34h 55m

Mexico City Benito Juarez

Fri 17/10

01:55-19:30

2 stops34h 35m

£1,045

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 16/10

19:55-17:55

2 stops28h 00m

Cancun

Thu 30/10

12:30-19:40

2 stops26h 10m

£1,709

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Tue 13/1

09:25-21:10

2 stops40h 45m

Cancun

Tue 10/2

13:40-17:00

2 stops22h 20m

£2,833

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 14/1

17:30-21:10

2 stops32h 40m

Cancun

Mon 9/2

08:00-17:00

2 stops28h 00m

£2,833

SouthamptonMexico City

SOU - MEX

SOUMEX

Southampton Eastleigh

Wed 26/11

20:10-05:25

3 stops39h 15m

£434

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Sun 14/12

19:55-16:50

2 stops49h 55m

£1,249

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 15/12

12:30-16:50

2 stops33h 20m

£1,249

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 16 results
1
2

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 month to book a flight from Portsmouth to Mexico?

Currently, April is the cheapest month in which you can book a flight from Portsmouth to Mexico (average of £791). Flying from Portsmouth to Mexico in July is currently the most expensive (average of £1,261). 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 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 28 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Mexico as you normally would.

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 28 August 2025.

The most flights from P0R to MX0 are scheduled on a Monday (5 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. 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 KLM fly from Portsmouth to Mexico in about 30h 54m. The time it takes to get you to your destination can typically vary by up to . The distance from Portsmouth to Mexico is about 5503 mi.

  • 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: Virgin Atlantic (90%), Aeromexico (88%), EL AL (88%).

  • What are the cheapest flights from Portsmouth to Mexico?

    The cheapest flight price from Portsmouth to Mexico is £296. On average you can expect to pay £1,389. The most popular route, (Southampton Eastleigh - Cancun), can usually be booked for £903.

  • 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.

  • What is the cheapest month to book a flight from Portsmouth to Mexico?

    Currently, April is the cheapest month in which you can book a flight from Portsmouth to Mexico (average of £791). Flying from Portsmouth to Mexico in July is currently the most expensive (average of £1,261). 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

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 Portsmouth to Mexico

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
London City to Newark flights
Gatwick to LaGuardia flights
Stansted to John F Kennedy Intl flights
London City to LaGuardia flights
Heathrow to Pearson Intl flights
Luton to John F Kennedy Intl flights
Stansted to Newark flights
Gatwick to Pearson Intl flights
Luton to Newark flights
Heathrow to Los Angeles flights
Heathrow to Orlando flights
Heathrow to Mexico City flights
Heathrow to Boston flights
Heathrow to Miami flights
Heathrow to Vancouver Intl flights
Heathrow to Toronto Island flights
Heathrow to Cancún flights
Heathrow to Las Vegas flights
Heathrow to O'Hare Intl flights
Manchester to John F Kennedy Intl flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Dulles Intl flights
Heathrow to San Francisco flights
London City to Pearson Intl flights
Gatwick to Boston flights
Gatwick to Orlando flights
Gatwick to Cancún flights
Heathrow to Baltimore flights
Gatwick to Miami flights
Heathrow to Seattle flights
Heathrow to Hobby flights
Heathrow to Atlanta flights
London City to Los Angeles flights
London City to Miami flights
Gatwick to Mexico City flights
Manchester to Orlando flights
Manchester to Newark flights
Gatwick to Toronto Island flights
London City to Cancún flights
Heathrow to Calgary flights
Luton to Pearson Intl flights
Luton to LaGuardia flights
London City to Orlando flights
Manchester to LaGuardia flights

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 28 August 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£256Average£523FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
AeromexicoCheapest£296Average£822FlexibilityNo cancel feeOn-timeN/A
Search Aeromexico flights
IcelandairCheapest£443Average£530FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£455Average£850FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£472Average£846FlexibilityNo cancel feeOn-time77%
Search Iberia flights
DeltaCheapest£473Average£667FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air EuropaCheapest£475Average£572FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
Air FranceCheapest£475Average£779FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£476Average£698FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£477Average£730FlexibilityNo cancel feeOn-time75%
Search KLM 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.

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.