Portsmouth

$325+ Cheap flights from the United States to Portsmouth, England

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LHR
feb. 4 — feb. 111
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Cheap flight deals from USA to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from USA (US0) to Portsmouth (P0R). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$678
(Mytrip)

One-way from

$325
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$461
Provider with most accurate pricing for New York (NYC)-London (LON) flight deals.
Provider most trusted by Cheapflights users for New York (NYC)-London (LON) flights.
From USA to Portsmouth
One-way flight from USA to Portsmouth
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in January 2025

Find flight deals from USA to Portsmouth

Cheapest flights from USA to Portsmouth
Explore the most affordable flight options available from USA to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 30, 2025.

This Mytrip deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/265:30 pmEWR - SOU
2 stops21h 10mMultiple Airlines
mar. 3/49:30 amSOU - EWR
3 stops32h 55mMultiple Airlines
Deal found 1/30$648
This Expedia deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/265:40 pmEWR - SOU
1 stop16h 55mAer Lingus
mar. 3/49:30 amSOU - EWR
1 stop11h 40mAer Lingus
Deal found 1/30$743
This EaseMyTrip deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/105:05 pmBOS - SOU
2 stops19h 45mVirgin Atlantic
lun. 3/179:00 amSOU - BOS
2 stops17h 33mVirgin Atlantic
Deal found 1/29$746
This KLM deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/182:50 pmSFO - SOU
1 stop34h 40mKLM
mié. 3/265:20 pmSOU - SFO
1 stop26h 30mKLM
Deal found 1/29$753
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/161:50 pmSFO - SOU
1 stop34h 35mDelta
dom. 2/239:30 amSOU - SFO
1 stop34h 20mDelta
Deal found 1/28$756
This KLM deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/410:05 amORD - SOU
2 stops16h 20mKLM
mar. 3/115:20 pmSOU - ORD
1 stop27h 10mKLM
Deal found 1/30$782
This KLM deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/108:05 pmBOS - SOU
1 stop16h 45mKLM
lun. 3/179:00 amSOU - BOS
2 stops17h 33mKLM
Deal found 1/30$793
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/47:11 pmBOS - SOU
1 stop16h 39mDelta
lun. 2/109:00 amSOU - BOS
2 stops20h 58mDelta
Deal found 1/29$796
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/154:50 pmORD - SOU
1 stop9h 55mDelta
mié. 4/239:20 amSOU - ORD
1 stop11h 20mDelta
Deal found 1/30$801
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/31:45 pmLAX - SOU
1 stop19h 05mDelta
mié. 3/125:20 pmSOU - LAX
1 stop26h 25mDelta
Deal found 1/30$814
This Mytrip deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/167:45 amLAX - SOU
2 stops28h 55mMultiple Airlines
dom. 3/238:10 pmSOU - LAX
2 stops26h 36mMultiple Airlines
Deal found 1/29$821
This Booking.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/165:25 pmORD - SOU
1 stop10h 00mVirgin Atlantic
dom. 3/239:30 amSOU - ORD
1 stop11h 00mVirgin Atlantic
Deal found 1/30$821

Find flights from USA to Portsmouth within your budget

Customize your flight search to find flights from USA to Portsmouth 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 2,558,603 searches. Data last updated enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

mié. 2/26

5:30 pm-7:40 pm

2 stops21h 10m

Southampton Eastleigh

mar. 3/4

9:30 am-1:25 pm

3 stops32h 55m

$648

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

mié. 2/26

5:40 pm-3:35 pm

1 stop16h 55m

Southampton Eastleigh

mar. 3/4

9:30 am-4:10 pm

1 stop11h 40m

$743

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

lun. 3/10

5:05 pm-4:50 pm

2 stops19h 45m

Southampton Eastleigh

lun. 3/17

9:00 am-10:33 pm

2 stops17h 33m

$746

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

mar. 3/11

12:15 pm-8:25 am

2 stops15h 10m

Southampton Eastleigh

mar. 3/18

5:20 pm-3:30 pm

1 stop27h 10m

$758

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

lun. 3/10

8:05 pm-4:50 pm

1 stop16h 45m

Southampton Eastleigh

lun. 3/17

9:00 am-10:33 pm

2 stops17h 33m

$793

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

mar. 4/15

1:45 pm-8:45 am

1 stop35h 00m

Southampton Eastleigh

mar. 5/13

5:35 pm-11:45 am

1 stop26h 10m

$801

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

lun. 3/3

1:45 pm-4:50 pm

1 stop19h 05m

Southampton Eastleigh

mié. 3/12

5:20 pm-12:45 pm

1 stop26h 25m

$814

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

dom. 3/16

7:45 am-7:40 pm

2 stops28h 55m

Southampton Eastleigh

dom. 3/23

8:10 pm-3:46 pm

2 stops26h 36m

$821

ChicagoSouthampton

ORD - SOU

ORDSOU

Chicago O'Hare Intl

dom. 3/16

5:25 pm-8:25 am

1 stop10h 00m

Southampton Eastleigh

dom. 3/23

9:30 am-3:30 pm

1 stop11h 00m

$821

BostonSouthampton

BOS - SOU

BOSSOU

Boston Logan Intl

sáb. 7/12

4:50 pm-8:45 am

1 stop10h 55m

Southampton Eastleigh

jue. 9/4

5:35 pm-6:25 pm

1 stop29h 50m

$836

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 49 results
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Best time to book a flight from USA to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from USA with our price prediction graph.
Estimated round-trip 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.

Travel insights for flights from USA to Portsmouth

Get recent, data-driven insights about flights from USA to Portsmouth including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from USA to Portsmouth (average of $661). Flying from USA to Portsmouth in June is currently the most expensive (average of $1,138). 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 US to P0R?

Find hourly flight availability from USA to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 30, 2025.

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

Weekly flight availability from USA to Portsmouth

Explore weekly flight availability from USA to Portsmouth. 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 enero 30, 2025.

The most flights from US0 to P0R are scheduled on a Wednesday (50 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (34 on average).

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portsmouth ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Portsmouth when rainfall is around 1.0 in.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portsmouth, 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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. 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 Portsmouth. Reviews last updated enero 30, 2025.
Get a feel of what it's like to fly with Delta, KLM and Virgin Atlantic from USA to Portsmouth by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good
8.0
Very good

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from USA to Portsmouth. 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 USA to Portsmouth one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $428. Users have also found prices from $545 and $592 on Aer Lingus and KLM, respectively.

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

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

    Before booking your flight to Portsmouth from USA, check out the most reliable airlines to get you to your destination on time: Air Canada (90%), Austrian Airlines (90%), United Airlines( 90%).

  • What are the cheapest flights from USA to Portsmouth?

    While on average a flight from USA to Portsmouth is generally $1,588, our data shows the cheapest flight currently is $403. When looking at the most popular route, (New York John F Kennedy Intl - Southampton Eastleigh), you can expect to pay $786 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from USA to Portsmouth 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 USA to Portsmouth?

    Currently, November is the cheapest month in which you can book a flight from USA to Portsmouth (average of $661). Flying from USA to Portsmouth in June is currently the most expensive (average of $1,138). 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

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Alternative routes for USA to Portsmouth

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

Top 10 airlines flying from USA to Portsmouth

Discover the top 10 airlines that operate flights from USA to Portsmouth. 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 2,558,603 searches. Data last updated enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$203Average$564FlexibilityNo cancel feeOn-time77%
SWISSCheapest$245Average$649FlexibilityNo cancel feeOn-time79%
WestJetCheapest$269Average$1,110FlexibilityNo cancel feeOn-time60%
Norse Atlantic UKCheapest$280Average$555FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$291Average$757FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$315Average$939FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$326Average$495FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$340Average$724FlexibilityNo cancel feeOn-time77%
KLMCheapest$366Average$882FlexibilityNo cancel feeOn-time75%
IcelandairCheapest$371Average$648FlexibilityNo cancel feeOn-time76%
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