HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portsmouth

$85+ Cheap flights from Portsmouth

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DEN
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

What to know about flights from Portsmouth

Discover essential information about flights departing from Portsmouth, including flight schedules, destinations, airlines operating at the Portsmouth airport, and any specific guidelines or requirements for travelers. Please note that the information is based on the most recent updates available. Data last updated November 4, 2025.

Cheapest airline

Ryanair
On average, Ryanair currently has the cheapest one-way flight from Portsmouth (avg. price of $157).
Search Deals

Find flights from Portsmouth

Cheapest flights from Portsmouth
Explore the most affordable flight options available from Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on November 4, 2025.

This KLM deal was found by Cheapflights users on 11/3. 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.
Thu 12/186:05 pmSOU - ATH
1 stop16h 55mKLM
Thu 12/255:20 pmATH - SOU
1 stop16h 45mKLM
Deal found 11/3$375
This British Airways deal was found by Cheapflights users on 11/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:50 amSOU - ATH
2 stops15h 55mBritish Airways
Tue 3/317:55 amATH - SOU
2 stops11h 45mBritish Airways
Deal found 11/3$541
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Tue 12/212:25 pmSOU - EWR
3 stops30h 00mMultiple Airlines
Tue 12/95:30 pmEWR - SOU
2 stops21h 10mMultiple Airlines
Deal found 11/4$548
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Mon 11/249:30 amSOU - EWR
2 stops33h 05mMultiple Airlines
Wed 12/105:40 pmEWR - SOU
2 stops16h 55mMultiple Airlines
Deal found 11/3$551
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Thu 1/89:30 amSOU - EWR
2 stops35h 10mMultiple Airlines
Sat 1/175:40 pmEWR - SOU
2 stops21h 00mMultiple Airlines
Deal found 11/4$557
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Thu 12/49:30 amSOU - EWR
3 stops32h 55mMultiple Airlines
Sun 12/76:30 pmEWR - SOU
2 stops20h 10mMultiple Airlines
Deal found 11/4$558
This KLM deal was found by Cheapflights users on 11/3. 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.
Mon 3/305:35 pmSOU - ATH
1 stop5h 35mKLM
Tue 3/311:40 pmATH - SOU
1 stop21h 10mKLM
Deal found 11/3$559
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Tue 12/212:25 pmSOU - JFK
2 stops32h 20mMultiple Airlines
Tue 12/95:35 pmJFK - SOU
2 stops17h 00mMultiple Airlines
Deal found 11/4$563
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Mon 11/249:30 amSOU - JFK
2 stops35h 15mMultiple Airlines
Wed 12/105:35 pmJFK - SOU
2 stops21h 05mMultiple Airlines
Deal found 11/3$595
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Thu 12/49:30 amSOU - JFK
2 stops35h 15mMultiple Airlines
Sun 12/75:35 pmJFK - SOU
2 stops21h 05mMultiple Airlines
Deal found 11/4$598
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Mon 1/129:30 amSOU - JFK
2 stops35h 15mMultiple Airlines
Sun 1/185:35 pmJFK - SOU
2 stops17h 00mMultiple Airlines
Deal found 11/2$608
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Tue 12/212:25 pmSOU - JFK
2 stops32h 20mMultiple Airlines
Mon 12/85:35 pmJFK - SOU
2 stops17h 00mMultiple Airlines
Deal found 11/4$613

Find flights from Portsmouth within your budget

 
Find flights departing from Portsmouth that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on November 4, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Denver

Route

Depart

Return

Price

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Thu 12/18

6:05 pm-1:00 pm

1 stop16h 55m

Athens Eleftherios V.

Thu 12/25

5:20 pm-8:05 am

1 stop16h 45m

$375

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Mon 3/30

6:50 am-12:45 am

2 stops15h 55m

Athens Eleftherios V.

Tue 3/31

2:10 pm-9:25 am

2 stops21h 15m

$542

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Tue 12/2

12:25 pm-1:25 pm

3 stops30h 00m

Newark

Tue 12/9

5:30 pm-7:40 pm

2 stops21h 10m

$548

SouthamptonAthens

SOU - ATH

SOUATH

Southampton Eastleigh

Mon 3/30

5:35 pm-1:10 am

1 stop5h 35m

Athens Eleftherios V.

Tue 3/31

1:40 pm-8:50 am

1 stop21h 10m

$559

SouthamptonNewark

SOU - EWR

SOUEWR

Southampton Eastleigh

Thu 12/4

9:30 am-3:40 pm

2 stops35h 10m

Newark

Sun 12/7

6:30 pm-7:40 pm

2 stops20h 10m

$580

SouthamptonNew York

SOU - JFK

SOUJFK

Southampton Eastleigh

Thu 12/4

9:30 am-3:45 pm

2 stops35h 15m

New York John F Kennedy Intl

Sun 12/7

5:35 pm-7:40 pm

3 stops21h 05m

$602

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 3/26

6:05 pm-8:37 pm

2 stops33h 32m

Los Angeles

Mon 3/30

1:50 pm-8:50 am

1 stop35h 00m

$627

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Thu 3/26

8:50 am-12:07 am

2 stops22h 17m

Los Angeles

Mon 3/30

10:35 am-5:00 pm

2 stops22h 25m

$635

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 12/4

6:05 pm-11:50 am

1 stop25h 45m

San Francisco

Mon 12/8

1:55 pm-5:00 pm

1 stop19h 05m

$636

SouthamptonBoston

SOU - BOS

SOUBOS

Southampton Eastleigh

Fri 3/27

8:40 am-7:55 pm

1 stop15h 15m

Boston Logan Intl

Mon 3/30

8:20 pm-8:50 am

1 stop31h 30m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Portsmouth

Have a flexible travel schedule? Discover the best time to fly from Portsmouth 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 Portsmouth

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

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

Currently, May is the cheapest month in which you can book a flight from Portsmouth (average of $471). Flying from Portsmouth in July will prove the most costly (average of $696). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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.

Related info for your journey

Access useful and relevant information related to your journey from Portsmouth. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated November 4, 2025.

  • What is the cheapest airport to fly out of Portsmouth?

    Bangkok Suvarnabhumi airport offers the cheapest routes to Shanghai, from $23; whereas Istanbul airport is typically cheaper if you're flying to Shanghai, from $23. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from Portsmouth?

    May is currently the cheapest month to fly from Portsmouth. At this moment in time July is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • Where are the cheapest places to fly to from Portsmouth?

    Check out the cheapest flights from Portsmouth to embark to:
    Fly from Istanbul to Ankara from $23 round trip
    Fly from Bangkok to Phuket City from $23 round trip
    Fly from Cheongju to Jeju City from $24 round trip
    Fly from Medellín to Bogotá from $25 round trip
    Fly from Bogotá to Medellín from $29 round trip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.