The cheapest and fastest coaches from Portsmouth to London Heathrow Airport
Cheapest price
£22
Average price
£27
Fastest journey
1 h 40 m
Average duration
4 h 22 m
Buses per day
3
Distance
87 km
The best way to find a cheap coach ticket from Portsmouth to London Heathrow Airport is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Portsmouth to London Heathrow Airport will cost around £27 if you buy it on the day, but you can find cheap coach tickets today for only £22.
Of the 3 buses that leave Portsmouth for London Heathrow Airport every day 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct buses cover the 87 km distance in an average of 4 h 22 m but if you time it right, some buses will get you there in just 1 h 40 m .
The slowest buses will take 9 h 40 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.






Travel Information
Compare coach, train and ferry for Portsmouth to London Heathrow Airport
Omio recommends booking the coach as it is the most popular option from Portsmouth to London Heathrow Airport among Omio's users. If you are prioritising price take the ferry with prices starting from £19. For those with little time consider booking a ferry which can get you there in 45m. The ticket price range depends on the travel mode: a ferry costs an average of £19, and a train costs an average of £20.
Distance: 87 km
Compare bus with
Most popular Coach | Train | Ferry |
|---|---|---|
£24 Average Price | £64 Average Price | £20 Average Price Cheapest |
5h 34m Average total duration 5h 4m Onboard + 30m Additional time* | 2h 52m Average total duration 2h 22m Onboard + 30m Additional time* | 1h 45m Average total duration Fastest 45m Onboard + 1h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
Live departures
Portsmouth to London Heathrow Airport bus times
The table below shows live departures for Portsmouth to London Heathrow Airport coaches for today, Friday 27 February. You can also manually refresh the results below to see updated coach journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 18:25 Portsmouth | 9h40 | 04:05 London Heathrow Airport | 0 changesdirect | |
![]() | 20:10 Portsmouth | 1h45 | 21:55 London Heathrow Airport | 0 changesdirect | |
![]() | 20:15 Portsmouth | 1h40 | 21:55 London Heathrow Airport | 0 changesdirect | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Portsmouth to London Heathrow Airport by coach, train or ferry
Compare coach, train and ferry prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
28 Feb
01 Mar
02 Mar
03 Mar
04 Mar
05 Mar
06 Mar
Why should you book Portsmouth to London Heathrow Airport coaches with Omio?
Why book with Omio vs National Express?
- Compare with other providers: On Omio, you can not only buy tickets for National Express, but also compare tickets for the likes of Megabus to find the best option for your trip from Portsmouth to London Heathrow Airport.
- Designed for International Travelers: Omio is in your language including 24/7 customer service and offers multiple payment options, including PayPal, credit cards, and bank transfer, in your preferred currency.
- Compare all your options: Omio allows you to compare National Express with all available travel options, which are bus, train and ferry to ensure you get the best deal for traveling from Portsmouth to London Heathrow Airport.
Why book with Omio over Wanderu?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Megabus to find the best option for your trip from Portsmouth to London Heathrow Airport.
- Multiple modes of transport: Omio allows you to compare travel options including bus, train and ferry to find the ideal travel option from Portsmouth to London Heathrow Airport.
Journey information
Overview: Bus from Portsmouth to London Heathrow Airport
Buses from Portsmouth to London Heathrow Airport run on average 19 times per day, taking around 5h 4m. Cheap bus tickets for this journey start at £14 if you book in advance.
There are 11 coaches per day. The earliest coach runs at 03:20, the last at 20:15. The fastest coach covers the 87 km distance in 1h 25m.
Distance 87 km |
Average bus duration 5h 4m |
Cheapest ticket price £14 |
Buses per day 19 |
Direct buses 11 |
Fastest bus 1h 25m |
First bus 03:20 |
Last bus 20:15 |
Bus providers: National Express, Megabus from Portsmouth to London Heathrow AirportYou can travel by bus between Portsmouth to London Heathrow Airport with National Express, Megabus for as low as £14. When you search for schedules and tickets, Omio will show you the best journey
National Express
Megabus
FAQs: Portsmouth to London Heathrow Airport coach
Find answers to the most common questions about traveling from Portsmouth to London Heathrow Airport by coach. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest coach, the cheapest option, or tips for making the most of your visit at London Heathrow Airport, this guide helps you travel smarter and with confidence.

- Megabus
- Megabus is ADA-compliant and provides assistance to customers with disabilities, including those using wheelchairs or mobility scooters, and those with service animals.
- National Express
- Assistance
- Priority seating
- Accessible toilets.
- Megabus
- Megabus reservations cannot be canceled or refunded, but they can be traded in for another journey up to 3 hours before your original scheduled departure for a fee.
- National Express
- You can cancel your ticket up to 24 hours before departure for a refund minus a cancellation fee. Changes can be up to 24 hours before departure for a fee.
- Megabus
- One piece of luggage is included per passenger reservation. For guidance, a piece of luggage must not exceed 62 inches (length + width + height) and should not weigh more than 50 pounds (23kg).
- National Express
- Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
- Megabus
- Additional luggage can be purchased by buying an additional travel ticket in advance or by adding up to two additional pieces when booking for a fee.
- National Express
- 10€ per additional bag.
popular bus stations
Important Stations and Airports in Portsmouth and London Heathrow Airport
- 05:00-23:00
- Free Wi-Fi
- Café at The Hard (in the station)
- Fast Food Outlet (in the station).
- Available outside the main entrance.
- Elevators, ramps
- Available near the waiting area.
- Bus: 1, 2, 3, 7, 8, 13, 14 Train: South Western Railway, Southern, Great Western Railway
- 06:00-22:00
- Free Wi-Fi
- Café in the terminal (in the station)
- Fast-food outlet (in the station).
- Available outside the main entrance.
- Elevators, ramps
- Available in the station.
- Bus: 8, 20, 700 Train: Portsmouth Harbour
Most popular bus connections from Portsmouth
More options for your journey from Portsmouth to London Heathrow Airport
Here are some other resources that might have the information you need
