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Portsmouth

$841+ Cheap flights from Columbus (CMH) 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — LHR
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Columbus to Portsmouth

Keep the following information in mind while searching for Columbus to Portsmouth flight deals. Data was last updated July 29, 2025.

Round-trip from

$841
(Mytrip)

Popular in

June

Cheapest in

August

Average price

$1,052
From Columbus to Portsmouth
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($211 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Columbus to Portsmouth

Cheapest flights from Columbus to Portsmouth
Explore the most affordable flight options available from Columbus to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Mytrip deal was found by Cheapflights users on 7/27. 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.
Wed 9/109:20 amCMH - SOU
2 stops29h 10mMultiple Airlines
Wed 9/178:00 pmSOU - CMH
3 stops29h 38mMultiple Airlines
Deal found 7/27$841
This KLM deal was found by Cheapflights users on 7/27. 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.
Wed 9/1011:49 amCMH - SOU
2 stops15h 56mKLM
Wed 9/179:20 amSOU - CMH
2 stops18h 39mKLM
Deal found 7/27$927

Cheapflights Fare Finder

 
Customize your flight search to find flights from Columbus 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 July 29, 2025.
Use the filters below to find and compare flights from Columbus Airport to Portsmouth that are best for you.

Fly from

Columbus

Fly to

Portsmouth

Route

Depart

Return

Price

ColumbusSouthampton

CMH - SOU

CMHSOU

Columbus

Wed 9/10

9:20 am-7:30 pm

2 stops29h 10m

Southampton Eastleigh

Wed 9/17

8:00 pm-8:38 pm

3 stops29h 38m

$841

ColumbusSouthampton

CMH - SOU

CMHSOU

Columbus

Wed 9/10

11:49 am-8:45 am

2 stops15h 56m

Southampton Eastleigh

Wed 9/17

9:20 am-10:59 pm

2 stops18h 39m

$927

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Columbus to Portsmouth

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

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

Currently, November is the cheapest month in which you can book a flight from Columbus Airport to Portsmouth (average of $661). Flying from Columbus Airport to Portsmouth in June is currently the most expensive (average of $1,097). 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 CMH to P0R?

Find hourly flight availability from Columbus 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 July 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Columbus Airport to Portsmouth as you normally would.

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 July 29, 2025.
See what other customers who have flown with KLM from Columbus Airport to Portsmouth have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,383 reviews

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Crew

8.4

Overall

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Columbus 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 Columbus Airport to Portsmouth?

    Currently, November is the cheapest month in which you can book a flight from Columbus Airport to Portsmouth (average of $661). Flying from Columbus Airport to Portsmouth in June is currently the most expensive (average of $1,097). 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 8 airlines flying from Columbus to Portsmouth

Discover the top 8 airlines that operate flights from Columbus 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$582Average$808FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$583Average$839FlexibilityNo cancel feeOn-time69%
DeltaCheapest$611Average$855FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$653Average$785FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$662Average$871FlexibilityNo cancel feeOn-time71%
IberiaCheapest$669Average$888FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$673Average$775FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$739Average$937FlexibilityNo cancel feeOn-time72%

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