Portsmouth

$361+ Cheap flights from Connecticut 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LHR
Mar 6 — Mar 131
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Cheap flight deals from Connecticut to Portsmouth

Cheapest flights from Connecticut to Portsmouth
Explore the most affordable flight options available from Connecticut to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/134:40 pm
JFK
-
SOU
1 stop10h 55m
Delta
Thu 9/249:05 am
SOU
-
JFK
1 stop13h 02m
Delta
Deal found 2/3$695
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:30 pm
JFK
-
SOU
1 stop13h 20m
Delta
Tue 4/149:05 am
SOU
-
JFK
1 stop15h 05m
Delta
Deal found 2/3$696
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/226:45 pm
JFK
-
SOU
1 stop9h 35m
Delta
Tue 4/149:05 am
SOU
-
JFK
1 stop15h 05m
Delta
Deal found 2/3$697
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/319:10 pm
JFK
-
SOU
1 stop14h 40m
Delta
Wed 4/159:05 am
SOU
-
JFK
1 stop10h 30m
Delta
Deal found 2/2$698
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/294:40 pm
JFK
-
SOU
1 stop10h 55m
Delta
Tue 4/149:05 am
SOU
-
JFK
1 stop10h 30m
Delta
Deal found 2/2$699
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/51:50 pm
JFK
-
SOU
2 stops13h 45m
Delta
Tue 4/149:05 am
SOU
-
JFK
1 stop15h 05m
Delta
Deal found 2/3$700
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:30 am
JFK
-
SOU
2 stops17h 15m
Delta
Tue 9/15:20 pm
SOU
-
JFK
1 stop26h 15m
Delta
Deal found 2/2$702
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:00 am
JFK
-
SOU
2 stops21h 35m
Delta
Wed 4/159:05 am
SOU
-
JFK
1 stop10h 30m
Delta
Deal found 2/2$703
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/51:59 pm
LGA
-
SOU
2 stops13h 36m
Delta
Mon 4/135:20 pm
SOU
-
LGA
2 stops28h 55m
Delta
Deal found 2/3$710
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:18 am
JFK
-
SOU
2 stops16h 17m
Delta
Wed 4/229:05 am
SOU
-
JFK
2 stops18h 20m
Delta
Deal found 2/3$710
This Delta deal was found by Cheapflights users on 2/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/231:00 pm
LGA
-
SOU
2 stops24h 00m
Delta
Mon 4/135:20 pm
SOU
-
LGA
2 stops28h 03m
Delta
Deal found 2/3$711
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/205:45 pm
JFK
-
SOU
1 stop10h 05m
Delta
Mon 3/95:40 pm
SOU
-
JFK
1 stop22h 45m
Delta
Deal found 2/2$733

Find flight deals from Connecticut to Portsmouth

Keep the following information in mind while searching for Connecticut to Portsmouth flight deals. Data was last updated February 4, 2026.

Round-trip from

$696
(Delta)

One-way from

$361
(Connections by easyJet)

Popular in

June

Cheapest in

January

Average price

$789
From Connecticut to Portsmouth
One-way flight from Connecticut to Portsmouth
Highest demand for flights based on searches. 15% potential increase in price ($156 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Connecticut 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 February 4, 2026.
Use the filters below to find and compare flights from Connecticut to Portsmouth that are best for you.

Fly from

Connecticut

Fly to

Portsmouth

Route

Depart

Return

Price

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Tue 3/31

10:30 pm-4:50 pm

1 stop13h 20m

Southampton Eastleigh

Tue 4/14

9:05 am-7:10 pm

1 stop15h 05m

$696

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Tue 3/24

6:45 pm-8:20 am

1 stop9h 35m

Southampton Eastleigh

Tue 4/14

9:05 am-7:10 pm

1 stop15h 05m

$697

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 3/30

4:40 pm-8:35 am

1 stop10h 55m

Southampton Eastleigh

Mon 4/6

5:20 pm-12:25 pm

1 stop24h 05m

$698

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 3/29

4:40 pm-8:35 am

1 stop10h 55m

Southampton Eastleigh

Mon 4/6

5:20 pm-12:25 pm

1 stop24h 05m

$698

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Mon 3/23

1:00 pm-5:00 pm

2 stops24h 00m

Southampton Eastleigh

Mon 4/13

5:20 pm-4:23 pm

2 stops28h 03m

$711

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Wed 3/25

2:00 pm-5:25 pm

2 stops23h 25m

Southampton Eastleigh

Mon 4/13

5:20 pm-4:23 pm

2 stops28h 03m

$711

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Mon 3/30

3:00 pm-4:50 pm

2 stops20h 50m

Southampton Eastleigh

Mon 4/13

5:20 pm-4:23 pm

2 stops28h 03m

$711

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Sun 3/29

8:00 am-8:35 am

2 stops19h 35m

Southampton Eastleigh

Mon 4/13

5:20 pm-4:23 pm

2 stops28h 03m

$711

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Fri 2/20

5:45 pm-8:50 am

1 stop10h 05m

Southampton Eastleigh

Mon 3/9

5:40 pm-12:25 pm

1 stop22h 45m

$733

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Fri 2/20

5:45 pm-8:50 am

1 stop10h 05m

Southampton Eastleigh

Tue 3/10

8:50 am-4:45 pm

1 stop11h 55m

$733

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 45 results
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Best time to book a flight from Connecticut to Portsmouth

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

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

Currently, October is the cheapest month in which you can book a flight from Connecticut to Portsmouth (average of $16). Flying from Connecticut to Portsmouth in July is currently the most expensive (average of $856). 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 Connecticut to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Connecticut to Portsmouth?

    Departing from Connecticut to Portsmouth will take you 10h. The distance between Connecticut and Portsmouth is about 3428 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Connecticut to Portsmouth (average of $16). Flying from Connecticut to Portsmouth in July is currently the most expensive (average of $856). 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 Connecticut to Portsmouth

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

Top 5 airlines flying from Connecticut to Portsmouth

Discover the top 5 airlines that operate flights from Connecticut 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$16Average$642FlexibilityNo cancel feeOn-time62%
DeltaCheapest$634Average$833FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$648Average$976FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$655Average$887FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$700Average$961FlexibilityNo cancel feeOn-time71%

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