$428+ Cheap flights from LaGuardia, NY (LGA) 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from LaGuardia to Portsmouth with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from LaGuardia to Portsmouth
Keep the following information in mind while searching for LaGuardia to Portsmouth flight deals. Data was last updated May 1, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $830 (Delta) |
One-way from | $428 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $593 |
Find flight deals from LaGuardia to Portsmouth
Cheapest flights from LaGuardia to PortsmouthExplore the most affordable flight options available from LaGuardia to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.
Explore the most affordable flight options available from LaGuardia to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.
This Delta deal was found by Cheapflights users on 4/30. 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.
This KLM deal was found by Cheapflights users on 4/30. 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.
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from LaGuardia 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 May 1, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Portsmouth that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
New YorkSouthampton
LGA - SOU
LGASOU
New York LaGuardia
Fri 9/5
2:00 pm-8:45 am
2 stops13h 45m
Southampton Eastleigh
Tue 9/16
9:20 am-9:45 pm
2 stops17h 25m
New YorkSouthampton
LGA - SOU
LGASOU
New York LaGuardia
Sun 5/18
12:59 pm-8:45 am
2 stops14h 46m
Southampton Eastleigh
Mon 6/2
5:35 pm-3:49 pm
2 stops27h 14m
New YorkSouthampton
LGA - SOU
LGASOU
New York LaGuardia
Fri 7/18
9:55 am-3:45 pm
2 stops24h 50m
Southampton Eastleigh
Sat 8/2
4:25 pm-9:05 pm
2 stops33h 40m
New YorkSouthampton
LGA - SOU
LGASOU
New York LaGuardia
Sat 7/12
5:30 pm-7:30 pm
2 stops21h 00m
New YorkSouthampton
LGA - SOU
LGASOU
New York LaGuardia
Wed 9/3
12:55 pm-8:45 am
2 stops14h 50m
Best time to book a flight from LaGuardia to Portsmouth
Have a flexible travel schedule? Discover the best time to fly to Portsmouth from LaGuardia with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from New York LaGuardia Airport to Portsmouth
What is the cheapest month to book a flight from New York LaGuardia Airport to Portsmouth?
Currently, November is the cheapest month in which you can book a flight from New York LaGuardia Airport to Portsmouth (average of $661). Flying from New York LaGuardia Airport to Portsmouth in June is currently the most expensive (average of $1,103). 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 LGA to P0R?
Find hourly flight availability from LaGuardia 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 May 1, 2025.
When flying from New York LaGuardia Airport 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.
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 May 1, 2025.
Overall
Boarding
Food
Entertainment
Crew
Comfort
Reviews
Kymberlee,Oct 2024
JFK - ATL
Overall
Boarding
Food
Entertainment
Crew
Comfort
Reviews
Kymberlee,Oct 2024
JFK - ATL
Overall
Boarding
Food
Entertainment
Crew
Comfort
Reviews
Kymberlee,Oct 2024
JFK - ATL
Related info for your journey
Find useful and relevant information for your journey from LaGuardia to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for LaGuardia to Portsmouth
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from LaGuardia to Portsmouth
Discover the top 5 airlines that operate flights from LaGuardia 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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$732 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$414 | Average$620 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$454 | Average$609 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$457 | Average$649 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$592 | Average$759 | FlexibilityNo cancel fee | On-time71% |