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Portsmouth

$1,227+ Cheap flights from Rochester (ROC) to Portsmouth, England

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ROC — LHR
Apr 26 — May 31
Sun 4/26
Sun 5/3
1 adult, Economy
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Cheap flight deals from Rochester to Portsmouth

Cheapest flights from Rochester to Portsmouth
Explore the most affordable flight options available from Rochester to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2026.

This Delta deal was found by Cheapflights users on 3/23. 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.
Thu 5/75:33 am
ROC
-
SOU
2 stops22h 02m
Delta
Thu 5/149:05 am
SOU
-
ROC
2 stops20h 28m
Delta
Deal found 3/23$1,227
This Ovago deal was found by Cheapflights users on 3/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:47 am
ROC
-
SOU
2 stops25h 03m
Aer Lingus
Mon 7/208:00 pm
SOU
-
ROC
2 stops32h 51m
Aer Lingus
Deal found 3/23$1,350
This Ovago deal was found by Cheapflights users on 3/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:47 am
ROC
-
SOU
2 stops25h 03m
Aer Lingus
Wed 7/159:20 am
SOU
-
ROC
2 stops19h 31m
Aer Lingus
Deal found 3/23$1,352
This Gurufare deal was found by Cheapflights users on 3/23. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:47 am
ROC
-
SOU
2 stops25h 03m
Aer Lingus
Sun 7/195:20 pm
SOU
-
ROC
2 stops35h 31m
Aer Lingus
Deal found 3/23$1,417

Find flight deals from Rochester to Portsmouth

Keep the following information in mind while searching for Rochester to Portsmouth flight deals. Data was last updated March 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,227
(Delta)

Popular in

December

Cheapest in

September

Average price

$987
Provider with most accurate pricing for Greater Rochester Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Rochester Intl-London (LON) flights.
Search Deals
From Greater Rochester Intl to Portsmouth
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rochester 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 March 27, 2026.
Use the filters below to find and compare flights from Rochester to Portsmouth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

RochesterSouthampton

ROC - SOU

ROCSOU

Greater Rochester Intl

Thu 5/7

5:33 am-8:35 am

2 stops22h 02m

Southampton Eastleigh

Thu 5/14

9:05 am-12:33 am

2 stops20h 28m

$1,227

RochesterSouthampton

ROC - SOU

ROCSOU

Greater Rochester Intl

Wed 7/8

10:47 am-4:50 pm

2 stops25h 03m

Southampton Eastleigh

Mon 7/20

8:00 pm-11:51 pm

2 stops32h 51m

$1,350

RochesterSouthampton

ROC - SOU

ROCSOU

Greater Rochester Intl

Wed 7/8

10:47 am-4:50 pm

2 stops25h 03m

Southampton Eastleigh

Wed 7/15

9:20 am-11:51 pm

2 stops19h 31m

$1,352

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Sorted by cheapest first

Best time to book a flight from Rochester to Portsmouth

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

Cheapflights Insights

Everything you need to know about your flight from Rochester to Portsmouth

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

Currently, December is the cheapest month in which you can book a flight from Rochester to Portsmouth (average of $227). Flying from Rochester to Portsmouth in June is currently the most expensive (average of $756). 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.

Related info for your journey

Find useful and relevant information for your journey from Rochester to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Rochester to Portsmouth?

    Located just 3.8 mi from the city center, Greater Rochester Intl is the airport most travelers will use when flying to Portsmouth from Rochester. Booking flights from Greater Rochester Intl (ROC) to Portsmouth should be relatively easy as there are 0 daily outbound flights to Portsmouth from 6 different airlines.

  • How long is the flight from Rochester to Portsmouth?

    A quick flight from Rochester to Portsmouth can take about 22h 02m. Delta provides one of the quickest options available for as low as $1,227. The distance between Rochester and Portsmouth is about 3469 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Rochester to Portsmouth (average of $227). Flying from Rochester to Portsmouth in June is currently the most expensive (average of $756). 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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Top 6 airlines flying from Rochester to Portsmouth

Discover the top 6 airlines that operate flights from Rochester 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 March 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$528Average$841FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$631Average$840FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$642Average$794FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$648Average$801FlexibilityNo cancel feeOn-time72%
JetBlueCheapest$675Average$745FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$705Average$953FlexibilityNo cancel feeOn-time69%

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