The cheapest and fastest coaches from Portsmouth to Milton Keynes
Cheapest price
£22
Average price
£22
Fastest journey
5 h 55 m
Average duration
5 h 55 m
Buses per day
1
Distance
140 km
The best way to find a cheap coach ticket from Portsmouth to Milton Keynes is to book your journey as far in advance as possible and to avoid travelling at rush hour.
The average ticket from Portsmouth to Milton Keynes will cost around £22 if you buy it on the day, but you can find cheap coach tickets today for only £22.
Of the 1 buses that leave Portsmouth for Milton Keynes every day 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
These direct buses cover the 140 km distance in an average of 5 h 55 m but if you time it right, some buses will get you there in just 5 h 55 m .
The slowest buses will take 5 h 55 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.
12:155h55Portsmouth18:10Milton Keynes£221One-way0 changes
12:155h55Portsmouth18:10Milton Keynes£221One-way0 changes
Travel Information
Compare coach and train for Portsmouth to Milton Keynes
Omio recommends booking the coach as it is the most popular option from Portsmouth to Milton Keynes among Omio's users. If you are prioritising price take the coach with prices starting from £10. For those with little time consider booking a train which can get you there in 3h 7m. The ticket price range depends on the travel mode: a coach costs an average of £10, and a train costs an average of £38.
Distance: 140 km
Compare bus with
Most popular Coach | Train |
|---|---|
£19 Average Price Cheapest | £57 Average Price |
4h 36m Average total duration 4h 6m Onboard + 30m Additional time* | 3h 37m Average total duration Fastest 3h 7m Onboard + 30m Additional time* |
![]() Most popular bus company | ![]() Most popular train company |
Direct Options | Direct Options |
Live departures
Portsmouth to Milton Keynes bus times
The table below shows live departures for Portsmouth to Milton Keynes coaches for today, Thursday 21 May. You can also manually refresh the results below to see updated coach journeys.
| Provider | Departs | Duration | Arrives | Changes | Tickets |
|---|---|---|---|---|---|
![]() | 18:29 Portsmouth | 4h31 | 23:00 Milton Keynes | 0 changesdirect | |
![]() | 18:45 Portsmouth | 4h15 | 23:00 Milton Keynes | 0 changesdirect | |
| Friday 22 May | |||||
![]() | 12:15 Portsmouth | 5h55 | 18:10 Milton Keynes | 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 Milton Keynes by coach or train
Compare coach and train 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.
22 May
23 May
24 May
25 May
26 May
27 May
28 May
Why should you book Portsmouth to Milton Keynes coaches with Omio?
Why book with Omio vs National Express?
- 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 and train to ensure you get the best deal for traveling from Portsmouth to Milton Keynes.
Why book with Omio over Wanderu?
- Multiple modes of transport: Omio allows you to compare travel options including bus and train to find the ideal travel option from Portsmouth to Milton Keynes.
Journey information
Overview: Bus from Portsmouth to Milton Keynes
Buses from Portsmouth to Milton Keynes run on average 19 times per day, taking around 4h 6m. Cheap bus tickets for this journey start at £10 if you book in advance.
The earliest coach runs at 03:05, the last at 22:38. The fastest coach covers the 140 km distance in 4h 15m.
Distance 140 km |
Average bus duration 4h 6m |
Cheapest ticket price £10 |
Buses per day 19 |
Fastest bus 4h 15m |
First bus 3:05 |
Last bus 22:38 |
Cheapest Month Apr |
Cheapest Day Thu |
High Season Apr - Jun |
Low Season Oct - Dec |
Best time to book 14 days |
Bus providers: National Express from Portsmouth to Milton KeynesYou can travel by bus between Portsmouth to Milton Keynes with National Express for as low as £10. When you search for schedules and tickets, Omio will show you the best journey
National Express
FAQs: Portsmouth to Milton Keynes coach
Find answers to the most common questions about traveling from Portsmouth to Milton Keynes 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 Milton Keynes, this guide helps you travel smarter and with confidence.

- National Express
- Assistance
- Priority seating
- Accessible toilets.
- 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.
- National Express
- Two medium-sized suitcases up to 20kg each and one small piece of hand luggage.
- National Express
- 10€ per additional bag.
popular bus stations
Important Stations and Airports in Portsmouth and Milton Keynes
- 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 Milton Keynes
Here are some other resources that might have the information you need

