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Cheap flights from Portsmouth to Pueblo from £413

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — COS
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Pueblo

Enter your travel dates to find the best prices.

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

Fri 11/909:20
SOU
-
DEN
1 stop15h 55m
Aer Lingus
Fri 18/920:00
DEN
-
SOU
1 stop13h 50m
Aer Lingus
Deal found 31/7£740
Fri 11/917:20
SOU
-
DEN
2 stops31h 01m
KLM
Fri 18/906:35
DEN
-
SOU
2 stops19h 10m
KLM
Deal found 3/8£810
Wed 23/908:55
SOU
-
DEN
1 stop16h 20m
British Airways
Sun 27/920:00
DEN
-
SOU
1 stop16h 30m
British Airways
Deal found 30/7£885
Fri 11/909:05
SOU
-
DEN
2 stops21h 30m
Delta
Fri 18/906:35
DEN
-
SOU
2 stops19h 10m
Delta
Deal found 2/8£898

Find flight deals from Portsmouth to Pueblo

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

Round-trip from

£740

One-way from

£413

Popular in

August

Cheapest in

February

Average price

£831
Aer Lingus
  • Aer Lingus
  • 11/9-18/9
  • 2 total stops
  • 29h 45m total
  • Portsmouth to Pueblo
Search Deals
15/9
  • 15/9
  • 3 total stops
  • 50h 37m total
  • Portsmouth to Pueblo
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Pueblo 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 858,174 searches. Data last updated 4 August 2026.
Use the filters below to find and compare flights from Portsmouth to Pueblo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonDenver

SOU - DEN

SOUDEN

Southampton Eastleigh

Fri 11/9

09:20-18:15

1 stop15h 55m

Denver Intl

Fri 18/9

13:05-19:30

2 stops23h 25m

£832
Fastest return journey

SouthamptonDenver

SOU - DEN

SOUDEN

Southampton Eastleigh

Wed 23/9

08:55-18:15

1 stop16h 20m

Denver Intl

Sun 27/9

20:00-19:30

1 stop16h 30m

£885

SouthamptonDenver

SOU - DEN

SOUDEN

Southampton Eastleigh

Fri 11/9

09:05-23:35

2 stops21h 30m

Denver Intl

Fri 18/9

06:35-08:45

2 stops19h 10m

£898

SouthamptonDenver

SOU - DEN

SOUDEN

Southampton Eastleigh

Thu 5/11

06:50-15:10

2 stops39h 20m

Denver Intl

Mon 9/11

17:01-20:55

2 stops20h 54m

£928

SouthamptonDenver

SOU - DEN

SOUDEN

Southampton Eastleigh

Fri 11/9

09:25-12:40

2 stops34h 15m

Denver Intl

Fri 18/9

16:40-19:30

3 stops19h 50m

£1,154
Cheapest one-way

SouthamptonDenver

SOU - DEN

SOUDEN

Southampton Eastleigh

Tue 15/9

20:00-15:37

3 stops50h 37m

£413
Fastest single journey

SouthamptonDenver

SOU - DEN

SOUDEN

Southampton Eastleigh

Tue 15/9

20:00-18:15

1 stop29h 15m

£697

Flights are sorted by cheapest return flights first.

Deals found on 3/8

Sorted by cheapest first

Best time to book a flight from Portsmouth to Pueblo

Have a flexible travel schedule? Discover the best time to fly to Pueblo from Portsmouth with our price prediction graph.
Estimated return 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 Portsmouth to Pueblo

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

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Pueblo. 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 Portsmouth to Pueblo?

    A quick flight from Portsmouth to Pueblo can take about 15h 55m. Aer Lingus provides one of the quickest options available for as low as £832. Portsmouth and Pueblo are separated by a distance of 4645 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Pueblo 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

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Cheapflights makes it easy to find Portsmouth to Pueblo flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Pueblo?

Cheapflights simply makes it quick and affordable to book flights from Portsmouth to Pueblo by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Portsmouth to Pueblo with no change fees?

Need flexible booking options for your flight to Pueblo from Portsmouth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Portsmouth to Pueblo become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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