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Portsmouth

$1,155+ Cheap flights from Rochester (ROC) to Portsmouth, England

ROC — LHR
Sep 25 — Oct 21
Fri 9/25
Fri 10/2
1 adult, Economy
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Cheap flight deals from Rochester to Portsmouth

Cheapest flights from Rochester to Portsmouth

Sat 10/106:19 pm -
2 stops57h 16m
Sat 10/175:20 pm -
2 stops52h 01m
Deal found 8/26$1,155
Sat 10/1010:47 am -
2 stops25h 03m
Sat 10/1710:15 am -
3 stops18h 31m
Deal found 8/26$1,504

Find flight deals from Rochester to Portsmouth

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,155
(Expedia)

Popular in

December

Cheapest in

January

Average price

$983
Provider with most accurate pricing for Greater Rochester Intl-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Greater Rochester Intl-London (LON) flights.
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From Greater Rochester Intl to Portsmouth
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Highest demand for flights based on searches. 5% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
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

RochesterSouthampton

ROC Greater Rochester Intl - SOU Southampton Eastleigh

ROCSOU

Greater Rochester Intl

Sat 10/10

6:19 pm-8:35 am

2 stops57h 16m

Southampton Eastleigh

Sat 10/17

5:20 pm-4:21 pm

2 stops52h 01m

$1,155
Quickest round-trip

RochesterSouthampton

ROC Greater Rochester Intl - SOU Southampton Eastleigh

ROCSOU

Greater Rochester Intl

Sat 10/10

10:47 am-4:50 pm

2 stops25h 03m

Southampton Eastleigh

Sat 10/17

10:15 am-11:46 pm

3 stops18h 31m

$1,504

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/26

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

Cheapflights Insights

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

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

Related info for your journey

  • 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 57h 16m. KLM provides one of the quickest options available for as low as $1,155. The distance between Rochester and Portsmouth is about 3469 mi.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Rochester to Portsmouth

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$523Average$949FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$653Average$914FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$658Average$1,042FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$658Average$911FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$675Average$892FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$681Average$876FlexibilityNo cancel feeOn-time72%

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