- Must visit
Mary Rose Museum
World-class museum housing Henry VIII's raised flagship. See the preserved Tudor warship and immersive galleries on life aboard.
Flights from Belfast to Portsmouth depart on average 28 times per day, taking around 1h 31m. Cheap flight tickets for this journey start at $25 (€25) if you book in advance.
There are 24 flights per day. The earliest flight runs at 05:45, the last at 23:30. The fastest flight covers the 330 miles (532 km) distance in 1h 10m. July is the cheapest month to fly.
Distance 330 miles (532 km) |
Average flight duration 1h 31m |
Cheapest ticket price $25 (€25) |
Flights per day 28 |
Direct flights 24 |
Fastest flight 1h 10m |
First flight 5:45 AM |
Last flight 11:30 PM |
Cheapest Month Jul |
Cheapest Day Tue |
High Season Jul - Sep |
Low Season Jan - Mar |
Busiest Day Tue |
Least Busy Day Tue |
Cheapest price
$26
Average price
$26
Fastest journey
1 h 10 m
Average duration
1 h 10 m
Flights per day
1
Distance
532 km
The best way to find a cheap flight ticket from Belfast to Portsmouth is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Belfast to Portsmouth will cost around $26 if you buy it on the day, but the cheapest tickets can be found for only $26.
Of the 1 flights that leave Belfast for Portsmouth onSun, Jul 26, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, Jul 26 the direct flights cover the 532 km distance in an average of 1 h 10 m but if you time it right, some flights will get you there in just 1 h 10 m .
On Sun, Jul 26 the longest flights will take 1 h 10 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.


Omio recommends booking the flight as it is the most popular option from Belfast to Portsmouth among Omio's users. If you are prioritising price take the flight with prices starting from $25. For those with little time consider booking a flight which can get you there in 1h 31m. The ticket price range depends on the travel mode: a flight costs an average of $25, and a bus costs an average of $59.
Distance: 330 miles (532 km)
Most popular Flight | Bus | Driving |
|---|---|---|
$35 Average price Cheapest | $59 Average price | $2 Average price (fuel + tolls) |
4h 31m Average total duration Fastest 1h 31m Onboard + 3h 0m Additional time* | 21h 0m Average total duration 20h 30m Onboard + 30m Additional time* | 10h 5m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Belfast to Portsmouth:
A flight is $25 (€25) less than a bus for this route with tickets for a bus from Belfast to Portsmouth costing on average $59 (€59).
Other travel options to Portsmouth take longer:
Bus takes on average 20h 30m.
Compare flight and bus 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.
Discover the best of Portsmouth — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portsmouth trip today.
World-class museum housing Henry VIII's raised flagship. See the preserved Tudor warship and immersive galleries on life aboard.
Museum dedicated to HMS Victory and Nelson's navy. Learn about the Battle of Trafalgar and life in the age of sail.
Historic ironclad from 1860 that changed naval warfare. Explore decks, engine spaces and displays in the Historic Dockyard.
Historic harbourfront quarter with cobbled lanes, old pubs, sea walls and major naval attractions. Ideal for first-time visitors on foot.
Atmospheric old quarter with narrow streets, Georgian houses and waterfront views. Great for history, churches and a quieter local feel.
Lively seafront district known for beach walks, gardens, castle and independent venues. A classic area for promenade views and relaxation.
A Portsmouth classic of battered cod or haddock with chips, tied to the city’s long naval and seafaring tradition and best eaten fresh by the waterfront.
Fresh crab landed on the south coast, often served simply in sandwiches or salads. It reflects Portsmouth’s harbour access and strong seafood culture.
Portsmouth sits by rich oyster waters, and oysters are a traditional local treat served raw or dressed, prized for their fresh, briny flavour.
Refined fine dining in Southsea known for modern British tasting menus, polished service, and a special-occasion atmosphere.
Lively Southsea venue famous for fresh seafood and shellfish, offering a casual setting popular with locals and visitors.
Historic waterside pub in Old Portsmouth serving cask ales and classic British dishes with harbour views and traditional character.
Moderate for the UK. Hotels often cost less than London, while dining and local transit are mid-range for a coastal city.
Tipping is optional. In restaurants, 10-12.5% is common if service is not included. Round up taxi fares. Cafes usually do not expect tips, but small change is appreciated.
Find answers to the most common questions about traveling from Belfast to Portsmouth by flight. 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 flight, the cheapest option, or tips for making the most of your visit at Portsmouth, this guide helps you travel smarter and with confidence.

Most Belfast to Portsmouth flights use the George Best Belfast City Airport to London Heathrow Airport airport pair. Use this guide to compare Belfast and Portsmouth airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
George Best Belfast City Airport is 3 km from Belfast city centre. Public transport options include:
George Best Belfast City Airport has practical services for this route, including Wifi, Shopping, Parking, ATM, Taxis, Accessibility, WC, Lounge, and Lost and Found Office.
Free Wi-Fi available throughout the airport. ATMs are located in the terminal.
Lost and found is available at the station.
Available at George Best Belfast City Airport: Parking, Taxis, WC.
Accessibility facilities are available at George Best Belfast City Airport: Ramps, toilets.
Belfast International Airport is 4 km from Belfast city centre. Public transport options include:
Belfast International Airport has practical services for this route, including Wifi, Shopping, Parking, ATM, Taxis, Accessibility, WC, Lounge, and Lost and Found Office.
Free Wi-Fi available throughout the airport. ATMs are located in the arrivals and departures areas.
Lost and found is available at the station.
Available at Belfast International Airport: Parking, Taxis, WC.
Accessibility facilities are available at Belfast International Airport: Ramps.
Here are some other resources that might have the information you need