How long is the flight from Portsmouth to Irvine?

For as low as £505, Virgin Atlantic can have you in Irvine from Portsmouth in 26h 10m. 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 £2,651, our data shows the cheapest flight currently is £368. When looking at the most popular route, (Southampton Eastleigh - Los Angeles), you can expect to pay £505 for that flight.

What are the most reliable airlines from Portsmouth to Irvine?

Consider SriLankan Airlines (89%), Air Canada (85%) or Austrian Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to Irvine.

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.

£505+ Flights from Portsmouth to Irvine

Cheap flight deals from Portsmouth to Irvine

Enter your travel dates to find the best prices.

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 9 December 2025.

Wed 24/1208:40SOU - LAX

2 stops22h 27mDelta

Sun 28/1213:45LAX - SOU

1 stop34h 25mDelta

Deal found 8/12£738

Wed 24/1217:30SOU - LAX

1 stop26h 15mKLM

Sun 28/1213:45LAX - SOU

1 stop34h 25mKLM

Deal found 8/12£748

Wed 24/1212:25SOU - LAX

2 stops33h 05mAer Lingus

Sun 28/1215:30LAX - SOU

2 stops20h 10mAer Lingus

Deal found 8/12£897

Wed 24/1217:30SOU - LAX

3 stops29h 10mMultiple Airlines

Sun 28/1217:30LAX - SOU

3 stops30h 40mMultiple Airlines

Deal found 8/12£1,157

Tue 9/1220:50SOU - LAX

2 stops24h 40mBritish Airways

Tue 16/1218:00LAX - SOU

2 stops17h 25mBritish Airways

Deal found 9/12£1,342

Sat 13/1209:25SOU - LAX

1 stop34h 20mDelta

Sun 21/1213:45LAX - SOU

1 stop19h 40mDelta

Deal found 8/12£1,654

Sun 14/1220:00SOU - LAX

2 stops25h 30mBritish Airways

Sat 20/1221:00LAX - SOU

2 stops26h 50mBritish Airways

Deal found 8/12£2,727

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 9 December 2025.

Tue 20/117:35SOU - LAX

1 stop26h 10mVirgin Atlantic

Tue 27/113:45LAX - SOU

1 stop19h 20mVirgin Atlantic

Deal found 7/12£505

Tue 31/317:20SOU - LAX

1 stop26h 30mDelta

Tue 7/413:50LAX - SOU

1 stop19h 00mDelta

Deal found 7/12£505

Tue 31/309:05SOU - LAX

1 stop34h 45mDelta

Sun 5/413:50LAX - SOU

1 stop34h 45mDelta

Deal found 7/12£505

Wed 1/409:05SOU - LAX

1 stop13h 40mDelta

Wed 8/416:45LAX - SOU

1 stop16h 05mDelta

Deal found 7/12£509

Wed 1/409:05SOU - LAX

1 stop13h 40mDelta

Tue 7/413:50LAX - SOU

1 stop19h 00mDelta

Deal found 7/12£509

Wed 1/409:05SOU - LAX

1 stop13h 40mDelta

Sun 5/408:26LAX - SOU

2 stops16h 09mDelta

Deal found 7/12£509

Wed 1/409:05SOU - LAX

1 stop13h 40mDelta

Mon 6/407:55LAX - SOU

2 stops16h 40mDelta

Deal found 7/12£509

Tue 31/317:20SOU - LAX

1 stop26h 30mDelta

Thu 9/416:45LAX - SOU

1 stop16h 05mDelta

Deal found 7/12£516

Wed 1/409:05SOU - LAX

1 stop13h 40mDelta

Thu 9/416:45LAX - SOU

1 stop16h 05mDelta

Deal found 7/12£521

Sat 4/409:15SOU - LAX

1 stop13h 30mDelta

Mon 6/416:45LAX - SOU

1 stop16h 05mDelta

Deal found 7/12£530

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

Tue 9/1220:50SOU - LAX

2 stops24h 40mBritish Airways

Tue 16/1218:00LAX - SOU

2 stops17h 25mBritish Airways

Deal found 9/12£1,342

Wed 24/1208:40SOU - LAX

2 stops22h 27mDelta

Sun 28/1213:45LAX - SOU

1 stop34h 25mDelta

Deal found 8/12£738

Wed 24/1217:30SOU - LAX

1 stop26h 15mKLM

Sun 28/1213:45LAX - SOU

1 stop34h 25mKLM

Deal found 8/12£748

Wed 24/1212:25SOU - LAX

2 stops33h 05mAer Lingus

Sun 28/1215:30LAX - SOU

2 stops20h 10mAer Lingus

Deal found 8/12£897

Wed 24/1217:30SOU - LAX

3 stops29h 10mMultiple Airlines

Sun 28/1217:30LAX - SOU

3 stops30h 40mMultiple Airlines

Deal found 8/12£1,157

Mon 5/120:50SOU - LAX

2 stops24h 40mBritish Airways

Mon 26/115:30LAX - SOU

2 stops16h 30mBritish Airways

Deal found 8/12£1,345

Tue 20/117:35SOU - LAX

1 stop26h 10mVirgin Atlantic

Tue 27/113:45LAX - SOU

1 stop19h 20mVirgin Atlantic

Deal found 7/12£505

Tue 20/115:00SOU - LAX

2 stops30h 05mMultiple Airlines

Tue 27/108:20LAX - SOU

3 stops25h 10mMultiple Airlines

Deal found 7/12£913

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 9 December 2025.

Tue 6/120:00SOU - LAX

2 stops30h 30mBritish Airways

Deal found 8/12£1,065

Mon 5/109:25SOU - LAX

1 stop34h 20mDelta

Deal found 8/12£1,222

Wed 7/109:25SOU - LAX

1 stop34h 20mDelta

Deal found 8/12£1,264

Thu 1/108:50SOU - LAX

2 stops18h 00mDelta

Deal found 8/12£1,268

Sun 4/118:05SOU - LAX

1 stop25h 40mDelta

Deal found 8/12£1,537

Fri 2/108:40SOU - LAX

2 stops34h 27mDelta

Deal found 8/12£2,285

Sun 4/120:00SOU - LAX

2 stops30h 30mBritish Airways

Deal found 8/12£2,355

Mon 15/1220:50SOU - LAX

2 stops24h 40mBritish Airways

Deal found 9/12£3,068

Mon 5/109:30SOU - LAX

1 stop17h 00mBritish Airways

Deal found 9/12£10,702

Find flight deals from Portsmouth to Irvine

Round-trip from	£505
Popular in	July
Cheapest in	February
Average price	£840

Delta
31/3-6/4
2 total stops
42h 35m total
Portsmouth to Irvine

Search Deals

Highest demand for flights based on searches. 26% potential increase in price (£189 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£31 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 20/1

17:35-11:45

1 stop26h 10m

Los Angeles

Tue 27/1

13:45-17:05

1 stop19h 20m

£505

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 31/3

17:20-11:50

1 stop26h 30m

Los Angeles

Tue 7/4

13:50-16:50

1 stop19h 00m

£505

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 31/3

09:05-11:50

1 stop34h 45m

Los Angeles

Sun 5/4

13:50-08:35

1 stop34h 45m

£505

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 1/4

09:05-14:45

1 stop13h 40m

Los Angeles

Wed 8/4

16:45-16:50

1 stop16h 05m

£509

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 1/4

09:05-14:45

1 stop13h 40m

Los Angeles

Tue 7/4

13:50-16:50

1 stop19h 00m

£509

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 1/4

09:05-14:45

1 stop13h 40m

Los Angeles

Sun 5/4

08:26-08:35

2 stops16h 09m

£509

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 1/4

09:05-14:45

1 stop13h 40m

Los Angeles

Mon 6/4

07:55-08:35

2 stops16h 40m

£509

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 31/3

17:20-11:50

1 stop26h 30m

Los Angeles

Thu 9/4

16:45-16:50

1 stop16h 05m

£516

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 1/4

09:05-14:45

1 stop13h 40m

Los Angeles

Thu 9/4

16:45-16:50

1 stop16h 05m

£521

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 4/4

09:15-14:45

1 stop13h 30m

Los Angeles

Mon 6/4

16:45-16:50

1 stop16h 05m

£530

Flights are sorted by cheapest return flights first.

Deals found on 8/12

Showing 1-10 of 19 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 £240). Flying from Portsmouth to Irvine in July is currently the most expensive (average of £404). 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?

It’s optimal to fly from Portsmouth to Irvine at midday. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the evening.

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 Sunday mornings when fares are most often at their lowest. Saturday at midday 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 (52 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (50 on average).

Related info for your journey

How long is the flight from Portsmouth to Irvine?
For as low as £505, Virgin Atlantic can have you in Irvine from Portsmouth in 26h 10m. 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%), Air Canada (85%) or Austrian Airlines (85%) 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 £2,651, our data shows the cheapest flight currently is £368. When looking at the most popular route, (Southampton Eastleigh - Los Angeles), you can expect to pay £505 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 £240). Flying from Portsmouth to Irvine in July is currently the most expensive (average of £404). 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

Alternative routes for Portsmouth to Irvine

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Top 10 airlines flying from Portsmouth to Irvine

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£281	Average£483	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
SWISS	Cheapest£294	Average£454	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£296	Average£531	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Aer Lingus	Cheapest£336	Average£519	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	Cheapest£339	Average£545	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Scandinavian Airlines	Cheapest£340	Average£457	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Austrian Airlines	Cheapest£358	Average£485	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Air France	Cheapest£360	Average£491	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Brussels Airlines	Cheapest£361	Average£488	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
KLM	Cheapest£361	Average£528	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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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 £505

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 9 December 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 9 December 2025.

Find flight deals from Portsmouth to Irvine

Keep the following information in mind while searching for Portsmouth to Irvine flight deals. Data was last updated 9 December 2025.

Round-trip from

Popular in

Cheapest in

Average price

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 9 December 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 16 December 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 9 December 2025.

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

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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 9 December 2025.