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Journey information
Overview: Dublin to Portsmouth flight
Ireland
United Kingdom
Flights from Dublin to Portsmouth depart on average 91 times per day, taking around 1h 32m. Cheap flight tickets for this journey start at $23 (€19) if you book in advance.
There are 52 flights per day. The earliest flight runs at 00:55, the last at 23:30. The fastest flight covers the 280 miles (451 km) distance in 1h 15m. October is the cheapest month to fly.
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance 280 miles (451 km) |
Average flight duration 1h 32m |
Cheapest ticket price $23 (€19) |
Flights per day 91 |
Direct flights 52 |
Fastest flight 1h 15m |
First flight 00:55 |
Last flight 23:30 |
Cheapest month Oct |
Cheapest day Sun |
High season Oct - Dec |
Low season Jan - Mar |
Best day to book ahead 1 day |
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
The cheapest and fastest flights from Dublin to Portsmouth
Showing times and prices for Mar 23
Cheapest price
$221
Average price
$221
Fastest journey
14 h 5 m
Average duration
14 h 5 m
Flights per day
1
Distance
451 km
Cheap tickets
The best way to find a cheap flight ticket from Dublin to Portsmouth is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Dublin to Portsmouth will cost around $221 if you buy it on the day, but the cheapest tickets can be found for only $221.
Fast flights
Of the 1 flights that leave Dublin for Portsmouth onMon, Mar 23, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Mar 23 the direct flights cover the 451 km distance in an average of 14 h 5 m but if you time it right, some flights will get you there in just 14 h 5 m .
On Mon, Mar 23 the longest flights will take 14 h 5 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.
06:35PM14h05
Dublin08:40AMPortsmouth
$2211One-way
0 transfers
06:35PM14h05
Dublin08:40AMPortsmouth
$2211One-way
0 transfers
Compare prices and tickets Dublin to Portsmouth by flight
Compare flight 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.
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Why should you book Dublin to Portsmouth flights with Omio?
Ryanair as well as Aer Lingus or British Airways offer flights services from Dublin to Portsmouth.
Omio is an official ticket reseller for all your travel options from Dublin to Portsmouth.
Why book with Omio vs Ryanair?
- Compare with other providers: On Omio, you can not only buy tickets for Ryanair, but also compare tickets for the likes of Aer Lingus or British Airways to find the best option for your trip from Dublin to Portsmouth.
- 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.
Why book with Omio over Edreams, Kayak or Skyscanner?
- Compare with other providers: On Omio, you can also compare tickets for the likes of Aer Lingus or British Airways to find the best option for your trip from Dublin to Portsmouth.
Airlines: Ryanair, Aer Lingus, British Airways from Dublin to PortsmouthFind the best flights between Dublin to Portsmouth with Omio's travel partners Ryanair, Aer Lingus, British Airways from $23 (€19). We can find you the best deals, schedules and tickets when comparing and booking the best trip.
British Airways
About
British Airways (BA) is the United Kingdom’s flag carrier airline with headquarters in London near its main hub at London Heathrow Airport (LHR). BA is the second largest UK-based airline in terms of fleet size and number of passengers carried. Known as a full-service global airline, British Airways offers year-round low fares to destinations worldwide and flies to and from centrally-located airports. Its extensive global route network includes more than 170 destinations in nearly 80 countries throughout Europe, North America, South America, Asia, Africa and Australia. syn p British Airways (BA) is the flag carrier airline of the United Kingdom with its headquarters in London near its main hub at London Heathrow Airport (LHR). Known as a full-service global airline, BA offers low fares year-round to destinations around the globe and flies to and from centrally-located airports. Its extensive global route network includes more than 170 destinations in nearly 80 countries throughout Europe, North America, South America, Asia, Africa and Australia. BA is also the second largest airline based in the UK in terms of its fleet size and number of passengers carried.
Luggage & cancellation policy
Average Duration
4h 20m
Cheapest Price
$241 (€196)
British Airways frequency
8 a day
Luggage included
Economy Basic includes 1 cabin bag (max 23kg, 56x45x25cm) plus 1 personal item (40x30x15cm)
Additional luggage
Additional checked bags can be purchased, with prices varying by route and fare class
Cancellation Policy
Cancellation policy depends on ticket type - Basic tickets non-refundable, Flexible tickets can be cancelled for a full refund
Pregnant on board
Travel permitted until end of 36th week for single pregnancies, end of 32nd week for multiple pregnancies. Medical clearance required after 28th weeks
Unaccompagned minor
Young flyers aged 5-11 can travel alone using British Airways' Skyflyer Solo service. Service must be booked in advance and is available on most routes
Amenities on board the airplane
Wifi
Food sold onboard
USB plugs
Accessibility
British Airways provides assistance for passengers with reduced mobility, including wheelchair assistance and special assistance through airports.
Pets
Pets travel in the hold except assistance dogs. Advance booking required. Only cats and dogs accepted on most routes
Entertaiment on board
Aer Lingus
About
Aer Lingus is Ireland's national airline, established in 1936. It operates over 100 routes, connecting Europe and North America from its main hub at Dublin Airport, as well as from Cork, Shannon, and Knock. A member of the International Airlines Group (IAG), Aer Lingus is recognized as a 4-star airline by Skytrax. The airline is known for its Irish hospitality and offers a range of services, including its AerClub loyalty program. Aer Lingus utilizes a modern fleet of Airbus aircraft, including the A321neoLR, for efficiency, comfort, and safety.
Luggage & cancellation policy
Average Duration
1h 25m
Cheapest Price
$75 (€60)
Luggage included
1 small bag (25x33x20cm) and 1 cabin bag (55x40x24cm)
Additional luggage
23kg checked bag can be purchased
Cancellation Policy
Free cancellation within 24 hours of booking if flight is more than 7 days away. After that, fees apply based on fare type.
Pregnant on board
Up to end of 36th week (32nd week for multiple pregnancies). Medical certificate required if complications
Unaccompagned minor
Young flyer service available for ages 5-11. Must be booked at least 72 hours before departure
Amenities on board the airplane
Wifi
USB plugs
Accessibility
Aer Lingus provides wheelchair assistance and special assistance for passengers with reduced mobility
Pets
Small dogs and cats allowed in cabin (6kg including carrier) and cargo hold (32kg including container)
Entertaiment on board
Ryanair
About
Ryanair is one of Europe’s largest and most popular low-cost airlines, headquartered in Ireland. It offers affordable flights to destinations across the continent, often operating to smaller or secondary airports outside major cities to keep fares low. All Ryanair tickets include an allowance for one small personal bag, with additional fees for cabin baggage and checked luggage. Known for its extensive network and budget-friendly fares, Ryanair makes it easy to travel quickly and affordably to popular European destinations.
Luggage & cancellation policy
Average Duration
1h 15m
Cheapest Price
$23 (€19)
Luggage included
One small personal bag (40x20x25cm)
Additional luggage
10kg bag (55x40x20cm) or 20kg checked bag available for purchase
Cancellation Policy
Non-refundable tickets. Flight changes possible with fee plus fare difference. Free changes within 24h of booking
Pregnant on board
Up to 28th week of pregnancy can fly freely. Between 28-36 weeks, medical certificate required. Not allowed after 36 weeks
Unaccompagned minor
Unaccompanied minor service available for ages 5-12, €60 per flight. Must be booked at least 7 days before departure
Amenities on board the airplane
Accessibility
Ryanair provides assistance for passengers with reduced mobility, must be booked at least 48 hours before flight
FAQs: Dublin to Portsmouth Flight
Find answers to the most common questions about traveling from Dublin 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.
Cheap plane tickets from Dublin to Portsmouth can start from as little as $23 (€19) when you book in advance. The average flight ticket price for Dublin to Portsmouth is $73 (€59) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.
The average journey time by plane from Dublin to Portsmouth is 1h 15m to travel the 280 miles (451 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.
The earliest flight from Dublin to Portsmouth leaves at 12:55 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from Dublin to Portsmouth leaves at 11:30 PM.
Yes, there are 52 direct flights a day from Dublin to Portsmouth with British Airways. Schedules can vary on holidays or weekends with fewer direct flights.
When taking a flight from Dublin to Portsmouth, you can count on Ryanair, Aer Lingus, British Airways for the best way to get you to Portsmouth. You can also check all possible airlines who offer a service between Dublin and Portsmouth and compare the amenities they offer before buying a plane ticket.
Flights from Dublin to Portsmouth generally leave from Dublin Airport and arrive in London Heathrow Airport.Dublin Airport is 1 miles (3 km) away from Dublin city centre and London Heathrow Airport is 14 miles (23 km) from Portsmouth city centre.
The cheapest month for a flight from Dublin to Portsmouth is October.
Yes, you can take a flight between Dublin and Portsmouth.
Since neither Dublin nor Portsmouth are in the Schengen Area, passport requirements depend on the specific immigration rules of Ireland and United Kingdom. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.
There is no time difference between Dublin and Portsmouth.
The best events to attend in Portsmouth include:
- Portsmouth Historic Dockyard Festival, a celebration of maritime heritage featuring ship tours, reenactments, and family activities
- Victorious Festival, a vibrant music festival held on Southsea Common showcasing top UK and international acts
- Portsmouth International Kite Festival, an exciting event where colorful kites fill the sky with displays and competitions.
The best holidays to experience in Portsmouth include:
- May Bank Holiday, pleasant weather perfect for outdoor activities and events
- August Bank Holiday, vibrant atmosphere with local festivals and beach activities
- Remembrance Day, poignant ceremonies and a chance to experience the city's rich naval history.
The best season to visit Portsmouth is Spring or Summer. The best weather to explore Portsmouth is during May-June or September-October.
For international flights we recommend to arrive 2.5 to 3 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.
Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.
Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.
The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.
popular airports
Popular airports from Dublin to Portsmouth
Dublin
Portsmouth
Amenities at airport
Wifi
Shopping
Parking
ATM
Taxis
Accessibility
WC
Shower
Lounge
Lost and Found Officeinformation
Distance to city center
3 km
Car connection
M1, Exit 2Wifi
- Free Wi-Fi available throughout the airport.
Shopping
- Shops in both terminals, includes WHSmith and The Loop.
Parking
- Short-term and long-term parking available, short-term from 3€ per hour.
Taxis
- Available outside the terminal.
Accessibility
- Ramps, assistance.
WC
- Available throughout the airport.
Shower
- Yes
Lounge
- Several lounges including the DAA Executive Lounge.
Lost and Found Office
- Located in both terminals.
Public transit options for Dublin Airport
- Bus: 16, 41, 102, 747
- Train: NA
- Metro: NA
More options for your journey from Dublin to Portsmouth
Here are some other resources that might have the information you need
Most popular flights to and from Portsmouth and Dublin
Most popular flights to Portsmouth
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