Question 1

What are the cheapest airlines to fly from Portsmouth to Irvine one-way?

Accepted Answer

To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £436. British Airways flights start at £781 while deals on Delta start at £1,124 one-way.

Question 2

What is the cheapest month to book a flight from Portsmouth to Irvine?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Irvine (average of £575). Flying from Portsmouth to Irvine in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 3

What is the cheapest day to fly from Portsmouth to Irvine?

Accepted Answer

Travellers seeking maximum savings on their Portsmouth to Irvine flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 4

Weekly flight availability from Portsmouth to Irvine

Accepted Answer

The most flights from P0R to IR9 are scheduled on a Monday (56 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (56 on average).

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in Irvine ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit Irvine when rainfall is around 0.0 mm.

Question 6

E

Accepted Answer

If weather is an important factor for your trip to Irvine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Question 7

What are the cheapest flights from Portsmouth to Irvine?

Accepted Answer

While on average a flight from Portsmouth to Irvine is generally £2,065, our data shows the cheapest flight currently is £386. When looking at the most popular route, (Southampton Eastleigh - Los Angeles), you can expect to pay £569 for that flight.

Question 8

What are the most reliable airlines from Portsmouth to Irvine?

Accepted Answer

Consider KLM (86%), Air France (86%) or Delta (86%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to Irvine.

Question 9

What are the most popular airlines that fly from Portsmouth to Irvine?

Accepted Answer

When booking a flight from Portsmouth to Irvine, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

Question 10

How far in advance should I book a flight from Portsmouth to Irvine?

Accepted Answer

To save up to 33% on this flight, we recommend booking at least 8 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Portsmouth to Irvine from £433 1-2 weeks out and tickets from £688 for flights departing within the next 72 hours.

Question 11

What is the cheapest month to fly from Portsmouth to Irvine?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, February can be a great choice for travel to Irvine. Flights to Irvine from Portsmouth in February are about £491 on average during February, but can be found for as low as £348.

Question 12

What is the cheapest time of day to fly from P0R to IR9?

Accepted Answer

When flying from Portsmouth to Irvine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Question 13

Can I find deals for flights from Portsmouth to Irvine that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Portsmouth to Irvine flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 14

How can I find direct flights from Portsmouth to Irvine?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Irvine.

Question 15

Can I find deals for business class flights from Portsmouth to Irvine?

Accepted Answer

Yes. Cheapflights offers flight deals from Portsmouth to Irvine by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 16

How does Cheapflights help users find flights from Portsmouth to Irvine?

Accepted Answer

Cheapflights makes it easy to find Portsmouth to Irvine flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 17

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Irvine?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portsmouth to Irvine for you. Better yet — we are completely free to use.

Question 18

Can Cheapflights find flights from Portsmouth to Irvine with no change fees?

Accepted Answer

Certainly. Search results for flights to Irvine from Portsmouth shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 19

Can Cheapflights notify me if prices for flights from Portsmouth to Irvine become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	£537
One-way from	£292
Popular in	August
Cheapest in	March
Average price	£780

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest£278	Average£555	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Finnair	Cheapest£280	Average£471	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Norse Atlantic UK	Cheapest£304	Average£516	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Delta	Cheapest£328	Average£562	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
KLM	Cheapest£347	Average£512	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Air France	Cheapest£354	Average£460	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Brussels Airlines	Cheapest£355	Average£477	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Scandinavian Airlines	Cheapest£355	Average£502	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
United Airlines	Cheapest£359	Average£539	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Austrian Airlines	Cheapest£359	Average£475	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights

Cheap flights from Portsmouth to Irvine from £292

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Irvine

Keep the following information in mind while searching for Portsmouth to Irvine flight deals. Data was last updated 18 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portsmouth to Irvine

Cheapest flights from Portsmouth to IrvineExplore the most affordable flight options available from Portsmouth to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Explore the most affordable flight options available from Portsmouth to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portsmouth to Irvine that are best for you.

Best time to book a flight from Portsmouth to Irvine

Have a flexible travel schedule? Discover the best time to fly to Irvine from Portsmouth with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Irvine

What is the cheapest month to book a flight from Portsmouth to Irvine?

What is the cheapest time of day to fly from P0R to IR9?

Find hourly flight availability from Portsmouth to Irvine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 July 2025.

What is the cheapest day to fly from Portsmouth to Irvine?

Use this chart to determine the cheapest time to fly return from Portsmouth to Irvine. Price data was last updated on 29 September 2024.

Weekly flight availability from Portsmouth to Irvine

Explore weekly flight availability from Portsmouth to Irvine. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 July 2025.

Reviews of airlines servicing Irvine

Get insights into the airlines that provide service to Irvine. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Irvine. Reviews last updated 18 July 2025.

Check out reviews from past customers who have flown with Delta, KLM, andVirgin Atlantic from Portsmouth to Irvine to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Irvine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Portsmouth to Irvine one-way?

What are the most reliable airlines from Portsmouth to Irvine?

What are the cheapest flights from Portsmouth to Irvine?

Can I find deals for flights from Portsmouth to Irvine that include hotel bookings?

How can I find direct flights from Portsmouth to Irvine?

Can I find deals for business class flights from Portsmouth to Irvine?

What is the cheapest month to book a flight from Portsmouth to Irvine?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portsmouth to Irvine

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Portsmouth to Irvine

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portsmouth to Irvine?

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Irvine?

Can Cheapflights find flights from Portsmouth to Irvine with no change fees?

Can Cheapflights notify me if prices for flights from Portsmouth to Irvine become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Portsmouth to Irvine
Explore the most affordable flight options available from Portsmouth to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.