Travel Information
Compare bus and train for Portsmouth to Milton Keynes
Omio recommends booking the bus as it is the most popular option from Portsmouth to Milton Keynes among Omio's users. If you are prioritising price, take the bus, with an average ticket price of $49 For those with little time, consider booking a train, which has an average total journey time of 3h 23m. Average ticket prices depend on the travel mode: a bus costs an average of $49, while a train costs an average of $104.
Distance: 86 miles (140 km)
Compare bus with
Most popular Bus | Train | Driving |
|---|---|---|
$49 Average price Cheapest | $104 Average price | $39 Average price (fuel + tolls) |
4h 19m Average total duration 3h 49m Onboard + 30m Additional time* | 3h 23m Average total duration Fastest 2h 53m Onboard + 30m Additional time* | 2h 13m Average total duration (door-to-door) |
![]() Most popular bus company | ![]() Most popular train company | Your own car or car rental |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Portsmouth to Milton Keynes:
A bus is $55 less than a train for this route with tickets for a train from Portsmouth to Milton Keynes costing on average $104.
Other travel options to Milton Keynes take longer:
Bus takes on average 4h 19m.
Tickets start at around $49 compared to roughly $39 in fuel and tolls — a saving of about $-9.81. The journey takes 3h 49m versus 2h 13m by car, so you'll arrive a bit later, but you can use the time productively rather than spending it behind the wheel. No parking to sort, no fuel stops, and most coaches have Wi-Fi and power outlets.
Driving is worth considering if you're on a tight schedule, travelling as a group (where fuel costs split several ways), or want the flexibility to stop along the way.
Travel optionsfrom Portsmouth to Milton Keynes
How to get from Portsmouth to Milton Keynes by train, bus or flight.
Our recommendation
The best way to travel from Portsmouth to Milton Keynes is by taking a bus because it’s the best combination of price and speed.
2:05 AM4h45Portsmouth6:50 AMMilton Keynes$211One-way0 transfers
Cheapest
2:05 AM4h45Portsmouth6:50 AMMilton Keynes$211One-way0 transfers
Fastest
2:05 AM4h45Portsmouth6:50 AMMilton Keynes$211One-way0 transfers
Find all the dates and times for this journey by train, bus, flight, and ferry .
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FAQs: Travel from Portsmouth to Milton Keynes
Travel to Milton Keynes easily. Whether you want fast, cheap or something entirely different, our travel experts have collected everything you need to know so you can find the best option from Portsmouth to Milton Keynes.

This is compared to other travel options from Portsmouth to Milton Keynes:
A bus is $55 less than a train for this route with tickets for a train from Portsmouth to Milton Keynes costing on average $104.
Other travel options to Milton Keynes take longer:
Bus takes on average 4h 19m.
- Around 30 buses per day.
- Around 7 trains per day.
However, we recommend checking specific travel dates for your route between Portsmouth and Milton Keynes as scheduled services by bus and train can vary by season or day of the week.
- Ferries mostly depart from Fishbourne and arrive in Portsmouth Harbour.
- Trains mostly depart from Portsmouth & Southsea (PMS) and arrive in Milton Keynes Central (MKC).
- Buses mostly depart from Portsmouth, The Hard Interchange and arrive in Milton Keynes, Coachway.
- Travel with National Express to go to Milton Keynes by bus.
- Travel with South Western Railway to go to Milton Keynes by train.
Travelling from Portsmouth to Milton Keynes: related information
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