How long is the flight from Portsmouth to Irvine?

For as low as £473, KLM can have you in Irvine from Portsmouth in 25h 40m. Airlines will cover a distance of 5434 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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.

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).

What are the cheapest flights from Portsmouth to Irvine?

While on average a flight from Portsmouth to Irvine is generally £2,628, our data shows the cheapest flight currently is £375. When looking at the most popular route, (Southampton Eastleigh - Los Angeles), you can expect to pay £473 for that flight.

What are the most reliable airlines from Portsmouth to Irvine?

Consider SriLankan Airlines (89%), Aeromexico (86%) or KLM (86%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to Irvine.

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

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.

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

To save up to 37% on this flight, we recommend booking at least 56 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 £411 1-2 weeks out and tickets from £661 for flights departing within the next 72 hours.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Irvine. Flights to Irvine from Portsmouth in September are about £477 on average during September, but can be found for as low as £301.

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

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

How can I find direct flights from Portsmouth to Irvine?

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

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

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.

£441+ Flights from Portsmouth to Irvine

Q: How much does it cost for a return flight from Portsmouth to Irvine?

Airfare is typical for this route at the moment. Portsmouth to Irvine flights typically cost between £472 and £870 in October. The cheapest return flight price found within the last 3 days was £473 on Delta (29 Oct-5 Nov).

Cheap flight deals from Portsmouth to Irvine

Round-trip from	£473
One-way from	£441
Popular in	July
Cheapest in	February
Average price	£848

Delta
29/10-5/11
3 total stops
48h 47m total
Portsmouth to Irvine

Search Deals

British Airways
3/11
1 total stop
17h 00m total
Portsmouth to Irvine

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£149 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Portsmouth to Irvine

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 16 9月 2025.

週三 29/1017:30SOU - LAX

1 stop26h 15mDelta

週三 5/1110:53LAX - SOU

2 stops22h 32mDelta

Deal found 14/9£473

週四 30/1018:05SOU - LAX

2 stops28h 55mVirgin Atlantic

週四 6/1106:00LAX - SOU

2 stops18h 05mVirgin Atlantic

Deal found 15/9£478

週三 29/1008:40SOU - LAX

2 stops31h 09mVirgin Atlantic

週三 5/1111:33LAX - SOU

2 stops45h 27mVirgin Atlantic

Deal found 14/9£478

週三 1/1017:35SOU - LAX

1 stop26h 15mDelta

週三 19/1107:40LAX - SOU

2 stops16h 40mDelta

Deal found 15/9£503

週三 1/1017:35SOU - LAX

2 stops29h 25mDelta

週一 24/1121:45LAX - SOU

2 stops26h 25mDelta

Deal found 15/9£507

週三 1/1009:20SOU - LAX

1 stop13h 30mDelta

週日 23/1123:55LAX - SOU

2 stops33h 05mDelta

Deal found 15/9£523

週三 1/1020:00SOU - LAX

1 stop30h 25mBritish Airways

週日 23/1120:15LAX - SOU

1 stop15h 25mBritish Airways

Deal found 15/9£581

週三 1/1020:00SOU - LAX

1 stop30h 25mBritish Airways

週六 22/1120:15LAX - SOU

1 stop35h 20mBritish Airways

Deal found 15/9£586

週三 1/1020:00SOU - LAX

1 stop30h 25mBritish Airways

週三 19/1120:15LAX - SOU

1 stop15h 25mBritish Airways

Deal found 15/9£589

週三 1/1020:00SOU - LAX

1 stop30h 25mBritish Airways

週四 20/1120:15LAX - SOU

1 stop15h 25mBritish Airways

Deal found 15/9£601

週五 21/1120:00SOU - LAX

2 stops25h 30mBritish Airways

週日 30/1120:15LAX - SOU

1 stop15h 25mBritish Airways

Deal found 14/9£615

Best flights from Portsmouth to Irvine
Discover carefully curated flight deals from Portsmouth to Irvine that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 9月 2025.

週四 30/1018:05SOU - LAX

1 stop25h 40mKLM

週四 6/1113:45LAX - SOU

1 stop35h 05mKLM

Deal found 15/9£473

週四 30/1018:05SOU - LAX

1 stop25h 40mDelta

週四 6/1106:00LAX - SOU

2 stops18h 05mDelta

Deal found 15/9£473

週四 30/1018:05SOU - LAX

2 stops28h 55mVirgin Atlantic

週四 6/1106:00LAX - SOU

2 stops18h 05mVirgin Atlantic

Deal found 15/9£478

週三 29/1017:30SOU - LAX

1 stop26h 15mDelta

週三 5/1110:53LAX - SOU

2 stops22h 32mDelta

Deal found 14/9£473

週三 1/1009:20SOU - LAX

1 stop13h 30mDelta

週一 24/1113:45LAX - SOU

1 stop19h 15mDelta

Deal found 15/9£503

週三 1/1017:35SOU - LAX

1 stop26h 15mDelta

週二 25/1105:45LAX - SOU

2 stops27h 15mDelta

Deal found 15/9£503

週三 18/209:25SOU - LAX

1 stop34h 20mDelta

週四 5/307:00LAX - SOU

2 stops17h 05mDelta

Deal found 14/9£509

週三 18/209:25SOU - LAX

1 stop34h 20mDelta

週六 7/313:45LAX - SOU

1 stop34h 35mDelta

Deal found 14/9£509

週日 22/209:30SOU - LAX

1 stop34h 15mDelta

週四 5/305:45LAX - SOU

2 stops27h 15mDelta

Deal found 14/9£509

Last-minute flights from Portsmouth to Irvine
Discover last-minute flight deals from Portsmouth to Irvine. Data last updated 16 9月 2025 and is based on user searches.

週三 1/1017:35SOU - LAX

1 stop26h 15mDelta

週三 19/1107:40LAX - SOU

2 stops16h 40mDelta

Deal found 15/9£503

週三 1/1017:35SOU - LAX

2 stops29h 25mDelta

週一 24/1121:45LAX - SOU

2 stops26h 25mDelta

Deal found 15/9£507

週三 1/1009:20SOU - LAX

1 stop13h 30mDelta

週日 23/1123:55LAX - SOU

2 stops33h 05mDelta

Deal found 15/9£523

週三 1/1020:00SOU - LAX

1 stop30h 25mBritish Airways

週日 23/1120:15LAX - SOU

1 stop15h 25mBritish Airways

Deal found 15/9£581

週三 1/1020:00SOU - LAX

1 stop30h 25mBritish Airways

週六 22/1120:15LAX - SOU

1 stop35h 20mBritish Airways

Deal found 15/9£586

週三 1/1020:00SOU - LAX

1 stop30h 25mBritish Airways

週三 19/1120:15LAX - SOU

1 stop15h 25mBritish Airways

Deal found 15/9£589

週三 1/1020:00SOU - LAX

1 stop30h 25mBritish Airways

週四 20/1120:15LAX - SOU

1 stop15h 25mBritish Airways

Deal found 15/9£601

週三 29/1017:30SOU - LAX

1 stop26h 15mDelta

週三 5/1110:53LAX - SOU

2 stops22h 32mDelta

Deal found 14/9£473

週三 29/1008:40SOU - LAX

2 stops31h 09mVirgin Atlantic

週三 5/1111:33LAX - SOU

2 stops45h 27mVirgin Atlantic

Deal found 14/9£478

週三 29/1012:25SOU - LAX

1 stop14h 05mAer Lingus

週二 4/1100:45LAX - SOU

2 stops24h 00mAer Lingus

Deal found 14/9£621

週四 30/1018:05SOU - LAX

2 stops28h 55mVirgin Atlantic

週四 6/1106:00LAX - SOU

2 stops18h 05mVirgin Atlantic

Deal found 15/9£478

One-way flights from Portsmouth to Irvine
Search for one-way flight options from Portsmouth to Irvine. Find affordable one-way fares based on user searches. Data last updated 16 9月 2025.

週一 3/1109:30SOU - LAX

1 stop17h 00mBritish Airways

Deal found 14/9£441

週二 4/1116:05SOU - LAX

1 stop34h 25mBritish Airways

Deal found 15/9£446

週五 28/1109:30SOU - LAX

2 stops31h 32mAer Lingus

Deal found 14/9£454

週三 12/1108:40SOU - LAX

2 stops17h 50mBritish Airways

Deal found 14/9£462

週一 10/1112:40SOU - LAX

2 stops37h 50mBritish Airways

Deal found 14/9£463

週六 11/1008:25SOU - LAX

3 stops55h 52mMultiple Airlines

Deal found 15/9£469

週六 8/1109:30SOU - LAX

1 stop17h 00mBritish Airways

Deal found 14/9£483

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

週四 30/10

18:05-12:45

1 stop25h 40m

Los Angeles

週四 6/11

13:45-08:50

1 stop35h 05m

£473

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

週四 30/10

18:05-12:45

1 stop25h 40m

Los Angeles

週四 6/11

06:00-08:05

2 stops18h 05m

£473

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

週三 29/10

17:30-12:45

1 stop26h 15m

Los Angeles

週三 5/11

10:53-17:25

2 stops22h 32m

£473

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

週四 30/10

18:05-16:00

2 stops28h 55m

Los Angeles

週四 6/11

06:00-08:05

2 stops18h 05m

£478

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

週三 1/10

09:20-14:50

1 stop13h 30m

Los Angeles

週一 24/11

13:45-17:00

1 stop19h 15m

£503

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

週三 1/10

17:35-11:50

1 stop26h 15m

Los Angeles

週二 25/11

05:45-17:00

2 stops27h 15m

£503

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

週三 18/2

09:25-11:45

1 stop34h 20m

Los Angeles

週四 5/3

07:00-08:05

2 stops17h 05m

£509

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

週三 18/2

09:25-11:45

1 stop34h 20m

Los Angeles

週六 7/3

13:45-08:20

1 stop34h 35m

£509

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

週日 22/2

09:30-11:45

1 stop34h 15m

Los Angeles

週四 5/3

05:45-17:00

2 stops27h 15m

£509

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

週一 10/11

09:30-18:30

1 stop17h 00m

£441

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 15 results

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.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Currently, September is the cheapest month in which you can book a flight from Portsmouth to Irvine (average of £573). 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.

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

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.

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

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.

Weekly flight availability from Portsmouth to Irvine

The most flights from P0R to IR9 are scheduled on a Saturday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (53 on average).

How much does it cost for a return flight from Portsmouth to Irvine?

Reviews of airlines servicing Irvine

Check out reviews from past customers who have flown with British Airways 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.

British Airways

6.7

Okay

7,361 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

British Airways

6.7

Okay

7,361 reviews

British Airways

6.7

Okay

7,361 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

Related info for your journey

How long is the flight from Portsmouth to Irvine?
For as low as £473, KLM can have you in Irvine from Portsmouth in 25h 40m. Airlines will cover a distance of 5434 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most reliable airlines from Portsmouth to Irvine?
Consider SriLankan Airlines (89%), Aeromexico (86%) or KLM (86%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to Irvine.
What are the cheapest flights from Portsmouth to Irvine?
While on average a flight from Portsmouth to Irvine is generally £2,628, our data shows the cheapest flight currently is £375. When looking at the most popular route, (Southampton Eastleigh - Los Angeles), you can expect to pay £473 for that flight.
Can I find deals for flights from Portsmouth to Irvine that include hotel bookings?
Yes. In addition to deals on Portsmouth to Irvine flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Irvine?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Irvine.
Can I find deals for business class flights from Portsmouth to Irvine?
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.
What is the cheapest month to book a flight from Portsmouth to Irvine?
Currently, September is the cheapest month in which you can book a flight from Portsmouth to Irvine (average of £573). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Portsmouth to Irvine

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£276	Average£468	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£288	Average£455	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£291	Average£524	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Aer Lingus	Cheapest£330	Average£553	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	Cheapest£332	Average£543	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Scandinavian Airlines	Cheapest£342	Average£480	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Air France	Cheapest£351	Average£459	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Brussels Airlines	Cheapest£353	Average£466	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Austrian Airlines	Cheapest£353	Average£468	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
United Airlines	Cheapest£356	Average£546	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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

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.

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

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.

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

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.

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

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!

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Cheap flights from Portsmouth to Irvine from £441

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 3/11. 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 16 9月 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 16 9月 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 16 9月 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 16 9月 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 16 9月 2025.

How much does it cost for a return flight from Portsmouth to Irvine?

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 16 9月 2025.

Check out reviews from past customers who have flown with British Airways 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.

How long is the flight from Portsmouth to Irvine?

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?

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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 16 9月 2025.