Bus from Portsmouth to London Heathrow Airport (LHR)

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Which bus from Portsmouth to London Heathrow Airport is the best?

Check the bus schedule for Portsmouth to London Heathrow Airport. Here is a selection of the cheapest coach trips for the next days from bus operators like National Express. To see the full timetable for all coaches just use or search and compare.

today
£16
tomorrow
£15
Tuesday
Wednesday
£15
Thursday
£16
Friday
£12
Saturday
£21

Cheapest bus trips today

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 1h 40m 03:05 Portsmouth University 04:45 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £16
National Express 1h 40m 05:50 Portsmouth University 07:30 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £16
National Express 1h 55m 03:05 Portsmouth University 05:00 London Heathrow Airport Heathrow Coach Station  Economy £16
National Express 2h 0m 05:50 Portsmouth University 07:50 London Heathrow Airport Heathrow Coach Station  Economy £16
National Express 1h 25m 03:20 Portsmouth The Hard Interchange 04:45 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £16

Cheapest bus trips tomorrow

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 1h 51m 16:29 Portsmouth University 18:20 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £15
National Express 1h 40m 19:55 Portsmouth University 21:35 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £15
National Express 2h 11m 16:29 Portsmouth University 18:40 London Heathrow Airport Heathrow Coach Station  Economy £15
National Express 2h 0m 19:55 Portsmouth University 21:55 London Heathrow Airport Heathrow Coach Station  Economy £15
National Express 1h 35m 16:45 Portsmouth The Hard Interchange 18:20 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £15

Cheapest bus trips Wednesday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 1h 55m 03:05 Portsmouth University 05:00 London Heathrow Airport Heathrow Coach Station  Economy £15
National Express 2h 11m 15:54 Portsmouth University 18:05 London Heathrow Airport Heathrow Coach Station  Economy £15
National Express 2h 0m 19:55 Portsmouth University 21:55 London Heathrow Airport Heathrow Coach Station  Economy £15
National Express 1h 25m 03:20 Portsmouth The Hard Interchange 04:45 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £15
National Express 1h 35m 16:10 Portsmouth The Hard Interchange 17:45 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £15

Cheapest bus trips Thursday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 1h 40m 03:05 Portsmouth University 04:45 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £16
National Express 1h 50m 09:00 Portsmouth University 10:50 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £16
National Express 1h 51m 15:54 Portsmouth University 17:45 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £16
National Express 1h 40m 19:55 Portsmouth University 21:35 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £16
National Express 1h 55m 03:05 Portsmouth University 05:00 London Heathrow Airport Heathrow Coach Station  Economy £16

Cheapest bus trips Friday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 1h 40m 19:55 Portsmouth University 21:35 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £12
National Express 2h 0m 19:55 Portsmouth University 21:55 London Heathrow Airport Heathrow Coach Station  Economy £12
National Express 1h 45m 20:10 Portsmouth The Hard Interchange 21:55 London Heathrow Airport Heathrow Coach Station  Economy £12
National Express 1h 25m 20:10 Portsmouth The Hard Interchange 21:35 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £12
National Express 1h 40m 03:05 Portsmouth University 04:45 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £15

Cheapest bus trips Saturday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
National Express 1h 40m 03:05 Portsmouth University 04:45 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £21
National Express 1h 40m 05:50 Portsmouth University 07:30 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £21
National Express 1h 46m 10:34 Portsmouth University 12:20 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £21
National Express 1h 46m 13:34 Portsmouth University 15:20 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £21
National Express 1h 46m 16:39 Portsmouth University 18:25 London Heathrow Airport Heathrow Terminal 5 Coach Station  Economy £21
  • Did you know that if you travel from Portsmouth to London Heathrow Airport via Fareham, you can save more than £-2? You will find the corresponding connections below.
    • National Express
      1h 55m
      Portsmouth
      8 km
      02:50
      Fareham
      Bus Station
      04:45
      London Heathrow Airport
      Heathrow Terminal 5 Coach Station
      0 km
      National Express
      Economy
      £23
  • Did you know that if you travel from Portsmouth to London Heathrow Airport via London, you can save more than £6? You can find the corresponding connections below.
    • National Express
      2h 25m
      0
      18:45
      Portsmouth
      The Hard Interchange
      20:20
      London
      Wandsworth
      0
      National Express
      Economy
      £4
      • Waiting Time 0h 10m
    • National Express
      0h 40m
      0
      20:30
      London
      Victoria Coach Station
      21:10
      London Heathrow Airport
      Heathrow Coach Station
      0
      National Express
      Economy
      £11
    Travel time is 0h 45m longer, but you will save £6

Best Price Offer: The price for the cheapest bus from Portsmouth to London Heathrow Airport is £12 on 27/03/2026. Flexible travelers save on ticket prices.


What is the best day and time to travel by bus between Portsmouth and London Heathrow Airport?

Here is the frequency of all coach connections from Portsmouth to London Heathrow Airport. See on which day of the week you have more travel options and what time you have more bus trips to choose from.
Monday is the busiest day, with more than 34 daily coaches from Portsmouth to London Heathrow Airport. Wednesday has instead the fewest connections, with only 24 daily coaches between Portsmouth and London Heathrow Airport.
The busiest time of the day is the Afternoon, with 58 coaches from Portsmouth to London Heathrow Airport, while Evening sees the fewest connections between Portsmouth and London Heathrow Airport, with only 35 offers.

All facts for Portsmouth to London Heathrow Airport (LHR) bus at a glance

Compare all coach operators like National Express that travel daily 31 times by bus from Portsmouth to London Heathrow Airport in one click. Book your Portsmouth to London Heathrow Airport bus ticket starting from £12!

Cheapest Bus £12
Fastest Bus 1h 20m
Earliest Coach 03:05
Latest Coach 20:15
Daily Bus Connections 31 Ø
Distance 84.9 km
Coach Companies National Express

What are the cheapest coach tickets from Portsmouth to London Heathrow Airport?

Every day, 31 buses from 1 coach companies leave Portsmouth for London Heathrow Airport. Check the table below to find the cheapest prices for coach tickets for this route, starting from 22/03/2026 and for the following days. Make sure get the cheapest bus ticket!

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday 16/03
Tuesday 17/03
Wednesday 18/03
Thursday 19/03
Friday 20/03
Saturday 21/03
Sunday 22/03
£16
Monday 23/03
£15
Tuesday 24/03
Wednesday 25/03
£15
Thursday 26/03
£16
Friday 27/03
£12
Saturday 28/03
£21
Sunday 29/03
£21
Monday 30/03
£21
Tuesday 31/03
£12
Wednesday 01/04
£12
Thursday 02/04
£21
Friday 03/04
£21
Saturday 04/04
£12
Sunday 05/04
£21
Monday 06/04
£21
Tuesday 07/04
£12
Wednesday 08/04
£12
Thursday 09/04
£12
Friday 10/04
£25
Saturday 11/04
£21
Sunday 12/04

The cheapest time to travel from Portsmouth to London Heathrow Airport

See here on which day and which time of the day you can find the cheapest bus ticket from Portsmouth to London Heathrow Airport, for the next 30 days.
With a price starting from £12, Wednesday is the cheapest day for a coach from Portsmouth to London Heathrow Airport. Sunday instead is the most expensive day with prices starting from £16.
Evening is the cheapest day time for bus tickets from Portsmouth to London Heathrow Airport, with £12. Morning is the most expensive time of the day with prices starting from £16.

How to save money travelling from Portsmouth to London Heathrow Airport

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying higher prices for your trip? Plan your bus trips smartly. Here are a few hacks to save money on your coach journey.

Book the ticket from Portsmouth to London Heathrow Airport in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Portsmouth to London Heathrow Airport, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later coaches from Portsmouth to London Heathrow Airport are also emptier.

Check for bus deals and promotions for all bus companies in this route. On CheckMyBus we show special offers directly in the coach trip on our search. Sign-up and check or deals sections and get notifications on our latest travel hacks.

What are the most popular bus companies from Portsmouth to London Heathrow Airport?

These are the most booked bus companies by our users on the Portsmouth to London Heathrow Airport timetable.

National Express from Portsmouth to London Heathrow Airport

National Express

Here you will find the key facts about the National Express bus route Portsmouth to London Heathrow Airport:

Cheapest Price £12
Fastest Coach 1h 20m
Earliest Coach 03:05
Last Coach 20:15
Daily Connections 31 Ø
Found on 21/03/2026
In total 1 operators offer buses for this route. Find all bus timetables for them. Each coach company has a dedicated cancellation policy and possibilities for transport luggage on the bus. Check also special conditions to travel with kids or coach cards with rebates.

All bus stations and stops in Portsmouth and London Heathrow Airport

Here is a map with all coach stations in Portsmouth and London Heathrow Airport. Compare which stop is closest to your destination to save time to find the fastest buses and connections.

All you need to know when you travel by bus from Portsmouth to London Heathrow Airport

Check all information on comfort and services on the coaches from Portsmouth to London Heathrow Airport. Which seat classes are available or what are the amenities of operators on your coach trip? Below you´ll find answers to your questions.

FAQs for Portsmouth to London Heathrow Airport bus

How much does a Portsmouth - London Heathrow Airport coach trip cost?

This depends on, among other things, the day and travel time. The cheapest airport transfer for the Portsmouth - London Heathrow Airportroute is available from £12 and takes 1h 40m. Compare offers and save money!

How much could I save by comparing buses from Portsmouth to London Heathrow Airport?

The connection Portsmouth to London Heathrow Airport is offered by 1 companies with ticket prices ranging from £12 to £29. Therefore, we suggest booking your ticket as soon as possible to ensure you will get the cheapest ticket price.

How many connections are available for the Portsmouth - London Heathrow Airport route on average every day?

Each day, the bus route from Portsmouth to London Heathrow Airport is offered by roughly 31 busses. By using our search, you can compare bus schedules and find your ideal trip.

How long does a bus to London Heathrow Airport from Portsmouth take?

The quickest transfer from Portsmouth to London Heathrow Airport is provided by National Express and takes 1h 20m. Coach tickets for this connection cost £25. However, keep in mind that the connection can take longer due to traffic.

What time is the first bus from Portsmouth to London Heathrow Airport?

The earliest bus to London Heathrow Airport departs from Portsmouth at 03:05. In this context, information about departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

What time is the last coach from Portsmouth to London Heathrow Airport?

The latest bus to London Heathrow Airport departs from Portsmouth at 20:15. Please note that departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

Which bus companies serve the Portsmouth - London Heathrow Airport route?

Passengers looking to travel from Portsmouth to London Heathrow Airport can travel with National Express. Compare all available bus tickets with our search to book the trip that works best for you.

Is there a direct bus between Portsmouth and London Heathrow Airport?

You can check all the direct connections between Portsmouth and London Heathrow Airport by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct transfer: National Express.

What can I take with me on the bus to London Heathrow Airport from Portsmouth?

Depending on which provider you travel with, what you are allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the bus for the Portsmouth London Heathrow Airport bus route free of charge. Simply use our search to find a coach that is best suited to your needs for your planned travel date.

What equipment is available for the Portsmouth London Heathrow Airport bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make travelling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the transfer from Portsmouth to London Heathrow Airport on your planned travel date.

How does CheckMyBus find the best bus deals from Portsmouth to London Heathrow Airport?

CheckMyBus collaborates directly with companies around the world to provide you with the best options when searching for a trip. We retrieve their first-hand data to show you real-time prices, schedules, and seat availability for 31 daily trips between Portsmouth and London Heathrow Airport. With the most up-to-date information from verified sources, you can fairly compare all available options and choose the trip that suits you best.

How does CheckMyBus technology work for trips from Portsmouth to London Heathrow Airport?

Prices and availability for 31 trips between Portsmouth and London Heathrow Airport change constantly. To provide you with the most up-to-date information, we connect directly with bus operators, Online Travel Agencies (OTAs), and Global Distribution Systems (GDS) via real-time interfaces (APIs). The data collected from these sources undergoes strict quality checks, is processed within our infrastructure, and is then presented to you on our search results pages. Visit our About Us page to learn more.

Available seat classes which are offered on the bus route Portsmouth to London Heathrow Airport

Economy
Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

More bus routes to Portsmouth and to London Heathrow Airport

Here’s an overview of the most popular bus routes to Portsmouth and to London Heathrow Airport. Simply click on the connection of your choice, and you will find all the details about your bus route!
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CheckMyBus › Coaches in United Kingdom › Coach to Portsmouth › Coach to London Heathrow Airport

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