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Cheap flights from Portsmouth to the United States from £418

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — LAX
27 Apr — 4 Mai1
1 adult
Sa 27/4
Sa 4/5

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

To save up to 30% on this flight, we recommend booking at least 54 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 USA from £441 1-2 weeks out and tickets from £537 for flights departing within the next 72 hours.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, January can be a great choice for travel to USA. Flights to USA from Portsmouth in January are about £424 on average during January, but can be found for as low as £272.

When is the cheapest time to fly from Portsmouth to USA (P0R - US)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to USA as you normally would.

Cheap Delta flights from Portsmouth to USA

Explore cheap flight options specifically provided by Delta for the route between Portsmouth and USA. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 22 April 2024.
Find some of the cheapest Delta flights travelling from Portsmouth to USA. Deals update often to give you more flight options matching your criteria
Di 2/708:30SOU - JFK
1 stop10h 50mDelta
Mo 15/716:35JFK - SOU
1 stop10h 25mDelta
Deal found 22/4£547
Mi 18/907:55SOU - LAX
1 stop14h 55mDelta
Mo 23/909:35LAX - SOU
2 stops23h 15mDelta
Deal found 22/4£571
Mi 18/907:55SOU - LAX
2 stops20h 42mDelta
Mo 23/906:35LAX - SOU
2 stops16h 50mDelta
Deal found 22/4£591
So 23/619:40SOU - BOS
2 stops27h 53mDelta
Di 9/711:00BOS - SOU
2 stops16h 00mDelta
Deal found 22/4£596
So 2/619:40SOU - BOS
2 stops28h 41mDelta
Do 20/618:50BOS - SOU
1 stop19h 20mDelta
Deal found 22/4£601
Mo 24/619:40SOU - BOS
1 stop23h 00mDelta
Do 11/710:00BOS - SOU
2 stops17h 00mDelta
Deal found 22/4£615
So 23/619:40SOU - BOS
2 stops27h 53mDelta
Mo 8/712:00BOS - SOU
2 stops15h 00mDelta
Deal found 22/4£620
So 30/609:05SOU - BOS
1 stop12h 30mDelta
Mo 15/715:25BOS - SOU
2 stops20h 25mDelta
Deal found 22/4£621
Mo 1/708:30SOU - BOS
1 stop13h 10mDelta
Mi 17/709:05BOS - SOU
2 stops17h 55mDelta
Deal found 22/4£625

Cheap KLM flights from Portsmouth to USA

Explore cheap flight options specifically provided by KLM for the route between Portsmouth and USA. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 22 April 2024.
Browse through some of the cheapest KLM flights travelling from Portsmouth to USA. Check back soon if you're not seeing flights that suit your needs.
Mo 16/917:20SOU - JFK
1 stop26h 00mKLM
Fr 27/916:40JFK - SOU
1 stop9h 45mKLM
Deal found 22/4£541
Di 21/507:55SOU - BOS
1 stop13h 35mKLM
Di 28/518:45BOS - SOU
1 stop17h 05mKLM
Deal found 21/4£542
Di 21/507:55SOU - BOS
2 stops16h 27mKLM
Di 28/518:45BOS - SOU
1 stop17h 05mKLM
Deal found 21/4£547
Mi 18/907:55SOU - LAX
1 stop14h 55mKLM
Mo 23/913:50LAX - SOU
1 stop21h 20mKLM
Deal found 22/4£557
Mo 16/907:55SOU - JFK
1 stop13h 50mKLM
Do 26/901:00JFK - SOU
2 stops13h 10mKLM
Deal found 22/4£567
Di 21/507:55SOU - BOS
2 stops16h 27mKLM
Di 28/513:30BOS - SOU
2 stops12h 55mKLM
Deal found 21/4£597
Mo 13/519:40SOU - SEA
1 stop22h 30mKLM
Di 28/513:30SEA - SOU
1 stop19h 20mKLM
Deal found 22/4£663
Mo 13/517:20SOU - SEA
1 stop24h 50mKLM
Di 28/507:10SEA - SOU
2 stops16h 15mKLM
Deal found 22/4£679
Mo 16/907:55SOU - JFK
2 stops14h 10mKLM
Do 26/901:00JFK - SOU
2 stops13h 10mKLM
Deal found 22/4£700

Cheap Portsmouth to USA flights in April & May 2024

Find cheap flight options from Portsmouth to USA specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 928,330 searches. Prices were last updated on 22 April 2024.
Check out some of the best flight deals from Portsmouth to USA in 2024. Check back in a little while for more flight options.
Mi 22/507:55SOU - JFK
1 stop11h 30mKLM
Di 28/516:40JFK - SOU
1 stop9h 45mKLM
Deal found 21/4£528
Di 21/507:55SOU - BOS
1 stop13h 35mKLM
Di 28/518:45BOS - SOU
1 stop17h 05mKLM
Deal found 21/4£542
Mi 22/507:55SOU - JFK
2 stops18h 00mVirgin Atlantic
Di 28/521:15JFK - SOU
1 stop14h 35mVirgin Atlantic
Deal found 21/4£542
Di 21/507:55SOU - BOS
2 stops16h 27mKLM
Di 28/518:45BOS - SOU
1 stop17h 05mKLM
Deal found 21/4£547
Mi 22/507:55SOU - JFK
1 stop11h 30mKLM
Mi 29/519:30JFK - SOU
1 stop16h 20mKLM
Deal found 21/4£549
Mi 22/507:55SOU - JFK
1 stop11h 30mVirgin Atlantic
Mi 29/506:00JFK - SOU
2 stops20h 25mVirgin Atlantic
Deal found 21/4£559
Mi 22/509:40SOU - EWR
2 stops34h 15mMultiple Airlines
Mi 29/518:50EWR - SOU
2 stops19h 40mMultiple Airlines
Deal found 21/4£560
Mi 22/507:55SOU - JFK
2 stops18h 00mVirgin Atlantic
Di 28/506:00JFK - SOU
2 stops29h 50mVirgin Atlantic
Deal found 21/4£563
Mi 22/507:55SOU - JFK
2 stops18h 00mMultiple Airlines
Mi 29/509:25JFK - SOU
2 stops17h 00mMultiple Airlines
Deal found 21/4£575

Portsmouth to USA 2024 flight deals

Discover exclusive flight deals for travel between Portsmouth and USA in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 22 April 2024.
Check out some of the best flight deals from Portsmouth to USA in 2024. Check back in a little while for more flight options.
Mi 22/507:55SOU - JFK
1 stop11h 30mKLM
Di 28/516:40JFK - SOU
1 stop9h 45mKLM
Deal found 21/4£528
Mo 16/917:20SOU - JFK
1 stop26h 00mKLM
Fr 27/919:40JFK - SOU
1 stop32h 15mKLM
Deal found 21/4£529
Mo 16/917:20SOU - JFK
1 stop26h 00mKLM
Fr 27/916:40JFK - SOU
1 stop9h 45mKLM
Deal found 22/4£541
Di 21/507:55SOU - BOS
1 stop13h 35mKLM
Di 28/518:45BOS - SOU
1 stop17h 05mKLM
Deal found 21/4£542
Mi 22/507:55SOU - JFK
2 stops18h 00mVirgin Atlantic
Di 28/521:15JFK - SOU
1 stop14h 35mVirgin Atlantic
Deal found 21/4£542
Di 21/507:55SOU - BOS
2 stops16h 27mKLM
Di 28/518:45BOS - SOU
1 stop17h 05mKLM
Deal found 21/4£547
Di 2/708:30SOU - JFK
1 stop10h 50mDelta
Mo 15/716:35JFK - SOU
1 stop10h 25mDelta
Deal found 22/4£547
Mi 22/507:55SOU - JFK
1 stop11h 30mKLM
Mi 29/519:30JFK - SOU
1 stop16h 20mKLM
Deal found 21/4£549
Fr 6/1209:30SOU - JFK
2 stops18h 47mDelta
Mo 9/1210:30JFK - SOU
2 stops17h 20mDelta
Deal found 22/4£553

Portsmouth to USA flights leaving soon

Find last-minute flight options from Portsmouth to USA for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 22 April 2024.
Book one of these great deals on flights from Portsmouth to USA. Users should examine the flight details to ensure there are no surprises.
Mi 1/520:00SOU - JFK
1 stop28h 20mAer Lingus
So 5/516:55JFK - SOU
1 stop11h 15mAer Lingus
Deal found 21/4£679
Mi 1/520:00SOU - JFK
1 stop28h 20mAer Lingus
So 5/512:30JFK - SOU
2 stops15h 40mAer Lingus
Deal found 21/4£754
Mi 1/507:55SOU - LGA
2 stops14h 29mKLM
So 5/513:59LGA - SOU
2 stops12h 26mKLM
Deal found 21/4£771
Do 2/509:40SOU - EWR
1 stop11h 10mBritish Airways
Mi 8/517:20EWR - SOU
1 stop10h 50mBritish Airways
Deal found 22/4£816
Do 2/509:40SOU - LGA
2 stops16h 10mBritish Airways
Mi 8/512:50LGA - SOU
2 stops15h 20mBritish Airways
Deal found 22/4£817
Do 2/509:40SOU - JFK
1 stop14h 40mBritish Airways
Mi 8/516:55JFK - SOU
1 stop11h 15mBritish Airways
Deal found 22/4£826
Do 2/507:55SOU - SEA
1 stop34h 20mDelta
So 5/523:05SEA - SOU
2 stops24h 20mDelta
Deal found 21/4£836
Do 2/507:55SOU - SEA
2 stops22h 37mDelta
So 5/523:05SEA - SOU
2 stops24h 20mDelta
Deal found 21/4£841
Do 2/509:40SOU - JFK
1 stop14h 40mBritish Airways
Mi 8/508:10JFK - SOU
2 stops30h 20mBritish Airways
Deal found 22/4£860

One-way flights to USA from Portsmouth

Search for one-way flight options from Portsmouth to USA. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 22 April 2024.
If you're seeking multiple options on one-way flights from Portsmouth to USA, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Portsmouth to USA should utilise the search form at the top of the page.
Mo 8/719:25SOU - EWR
3 stops30h 35mMultiple Airlines
Deal found 21/4£418
Sa 31/812:25SOU - MCO
2 stops35h 00mMultiple Airlines
Deal found 22/4£427
Di 9/709:40SOU - EWR
2 stops40h 20mMultiple Airlines
Deal found 21/4£428
Sa 31/812:25SOU - MCO
3 stops37h 05mMultiple Airlines
Deal found 22/4£435
Di 9/719:50SOU - EWR
3 stops30h 10mMultiple Airlines
Deal found 21/4£440
Di 14/520:00SOU - JFK
1 stop28h 20mAer Lingus
Deal found 22/4£501
Di 14/520:00SOU - EWR
1 stop24h 50mAer Lingus
Deal found 21/4£501
Di 16/709:40SOU - BOS
2 stops33h 30mMultiple Airlines
Deal found 21/4£510
Di 14/520:00SOU - EWR
2 stops28h 10mMultiple Airlines
Deal found 22/4£521

Find flights from Portsmouth to USA within your budget

Customise your flight search to find flights from Portsmouth to USA that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 22 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£541 - £676

Route

Depart

Return

Price

Southampton EastleighNew York John F Kennedy Intl

SOU - JFK

SOUJFK

Southampton Eastleigh

Mo 16/9

1 stop26h 00m

New York John F Kennedy Intl

Fr 27/9

1 stop9h 45m

£541

Southampton EastleighBoston Logan Intl

SOU - BOS

SOUBOS

Southampton Eastleigh

Di 21/5

1 stop13h 35m

Boston Logan Intl

Di 28/5

1 stop17h 05m

£542

Southampton EastleighNew York John F Kennedy Intl

SOU - JFK

SOUJFK

Southampton Eastleigh

Di 2/7

1 stop10h 50m

New York John F Kennedy Intl

Mo 15/7

1 stop10h 25m

£547

Southampton EastleighNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mi 22/5

2 stops34h 15m

Newark

Mi 29/5

2 stops19h 40m

£560

Southampton EastleighLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mi 18/9

1 stop14h 55m

Los Angeles

Mo 23/9

2 stops23h 15m

£571

Southampton EastleighNew York John F Kennedy Intl

SOU - JFK

SOUJFK

Southampton Eastleigh

Mo 16/9

2 stops18h 07m

New York John F Kennedy Intl

Fr 27/9

1 stop16h 10m

£594

Southampton EastleighNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mi 22/5

2 stops15h 48m

Newark

Di 28/5

2 stops20h 25m

£612

Southampton EastleighMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Di 17/9

2 stops28h 52m

Miami

Mo 23/9

2 stops14h 30m

£623

Southampton EastleighNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Mi 22/5

1 stop11h 10m

Newark

Di 28/5

1 stop10h 50m

£676

Flights are sorted by cheapest first

Deals found on 22/4

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated 22 April 2024.
Read through reviews of airlines operating flights from Portsmouth to USA, such as Delta, KLM and British Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
11,042 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

8.1
Very Good
11,042 reviews
8.1
Very Good
11,042 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.9
Good
1,634 reviews
8.1
Very Good
11,042 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.7
Good
751 reviews
8.1
Very Good
11,042 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.2
Good
1,352 reviews
8.1
Very Good
11,042 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

6.9
Okay
6,937 reviews
8.1
Very Good
11,042 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Portsmouth to USA for under £600 on Cheapflights?

    Yes, there are multiple flights from Portsmouth to USA for under £600. The cheapest flight booked recently is on KLM for just £541, but on average you can expect to pay £585.

  • Are there last-minute flights available from Portsmouth to USA for under £700?

    There are currently 20+ open flights from Portsmouth to USA within the next 7 days for less than £700.

  • What are the cheapest airlines to fly from Portsmouth to USA one-way

    One-way options have recently been found by users for as little as £501 on Aer Lingus Other airlines that offer cheap prices include British Airways from £698 and Delta from £1,153 one-way.

  • What are the most popular routes from Portsmouth to USA?

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

  • What are the most reliable airlines from Portsmouth to USA?

    The top 3 most reliable airlines when flying from Portsmouth to USA are United Airlines (89%), Lufthansa (89%) and EL AL (88%).

  • What are the cheapest flights from Portsmouth to USA?

    While on average a flight from Portsmouth to USA is generally £1,189, our data shows the cheapest flight currently is £326. When looking at the most popular route, (Southampton Eastleigh - New York John F Kennedy Intl), you can expect to pay £528 for that flight.

  • What does LHR to LAX mean?

    LHR stands for London Heathrow Airport, while LAX stands for Los Angeles Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. San Francisco Airport (SFO), Miami Airport (MIA), Boston Logan Intl Airport (BOS), New York John F Kennedy Intl Airport (JFK), Las Vegas Harry Reid Intl Airport (LAS) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Portsmouth to USA that include extra baggage allowance?

    The amount of baggage you can bring on your Portsmouth to USA flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portsmouth to USA with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portsmouth to USA flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Portsmouth to USA?

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

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

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

  • Can I find deals for flights from Portsmouth to USA that allow pets onboard?

    Many airlines flying from Portsmouth to USA offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portsmouth to USA?

    Yes, you can often find last-minute deals on Portsmouth to USA flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portsmouth to USA flight deals updated?

    The Portsmouth to USA flight deals you see on this page were last updated on 22/4.

See more FAQs

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Top 10 airlines flying from Portsmouth to USA

Discover the top 10 airlines that operate flights from Portsmouth to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 928,330 searches. Data last updated 22 April 2024.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest£198Average£223FlexibilityNo cancel feeOn-time88%
Search Vueling flights
DeltaCheapest£274Average£587FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
PLAYCheapest£275Average£349FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
TAP AIR PORTUGALCheapest£287Average£403FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest£325Average£490FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Norse Atlantic AirwaysCheapest£326Average£475FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic Airways flights
Air CanadaCheapest£347