Cheap flights from Portland to London from £280

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to London departing on 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Multiple Airlines Logo
15:20 - 19:35PDX-SEN
20h 15m2 stops
Multiple Airlines Logo
16:55 - 17:00SEN-PDX
32h 05m2 stops
£670Multiple Airlines
Find Deal
Thu, 23 Oct - Sun, 2 Nov
Multiple Airlines Logo
15:45 - 19:35PDX-SEN
20h 50m2 stops
Multiple Airlines Logo
07:35 - 17:00SEN-PDX
17h 25m2 stops
£784Multiple Airlines
Find Deal
Sat, 1 Nov - Fri, 7 Nov
Multiple Airlines Logo
14:45 - 20:50PDX-SEN
22h 05m2 stops
Multiple Airlines Logo
07:15 - 17:00SEN-PDX
17h 45m2 stops
£993Multiple Airlines
Find Deal
Sat, 15 Nov - Mon, 17 Nov
Multiple Airlines Logo
14:25 - 10:00PDX-SEN
12h 35m1 stop
Multiple Airlines Logo
07:35 - 17:00SEN-PDX
17h 25m2 stops
£1,651Multiple Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Multiple Airlines Logo
14:25 - 10:00PDX-SEN
12h 35m1 stop
Multiple Airlines Logo
07:35 - 17:00SEN-PDX
17h 25m2 stops
£1,658Multiple Airlines
Find Deal
Fri, 31 Oct - Fri, 7 Nov

momondo Fare Finder

 
Customise your flight search to find flights from Portland to London Southend Airport 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, momondo users made 279,928 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Portland to London Southend Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLondon

PDX - SEN

PDXSEN

Portland

Thu 23/10

15:20-19:35

2 stops20h 15m

London Southend

Sun 2/11

16:55-17:00

2 stops32h 05m

£670

PortlandLondon

PDX - SEN

PDXSEN

Portland

Sat 1/11

15:45-19:35

2 stops20h 50m

London Southend

Fri 7/11

07:35-17:00

2 stops17h 25m

£784

PortlandLondon

PDX - SEN

PDXSEN

Portland

Sat 15/11

14:45-20:50

2 stops22h 05m

London Southend

Mon 17/11

07:15-17:00

2 stops17h 45m

£993

PortlandLondon

PDX - SEN

PDXSEN

Portland

Fri 31/10

14:25-10:00

1 stop12h 35m

London Southend

Fri 7/11

07:35-17:00

2 stops17h 25m

£1,651

PortlandLondon

PDX - SEN

PDXSEN

Portland

Fri 31/10

14:25-10:00

1 stop12h 35m

London Southend

Fri 7/11

07:35-17:00

2 stops17h 25m

£1,658

PortlandLondon

PDX - SEN

PDXSEN

Portland

Wed 8/10

10:30-20:50

3 stops26h 20m

£280

PortlandLondon

PDX - SEN

PDXSEN

Portland

Wed 24/9

12:07-20:50

3 stops24h 43m

£291

PortlandLondon

PDX - SEN

PDXSEN

Portland

Wed 8/10

14:52-20:50

2 stops21h 58m

£294

PortlandLondon

PDX - SEN

PDXSEN

Portland

Fri 10/10

14:18-23:00

3 stops24h 42m

£299

PortlandLondon

PDX - SEN

PDXSEN

Portland

Thu 9/10

13:45-15:45

2 stops18h 00m

£306

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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When to book flights from Portland to London Southend Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to London Southend Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Portland to London Southend Airport (PDX to SEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to London Southend Airport

Direct flights

None
There are no direct flights from Portland to London Southend Airport. There are no popular flight routes from Portland to London Southend Airport.
  • How far is Portland to London Southend by plane?

    The straight-line distance from Portland to London Southend is 4927.8 mi. By plane, this route typically takes 12h 35m.

  • When did momondo last update prices for flights from Portland Airport to London Southend Airport?

    Prices for flights from Portland Airport to London Southend Airport were last updated today.

  • How old do you have to be to fly from Portland Airport to London Southend Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to London Southend Airport.

  • What documentation or ID do you need to fly to London Southend Airport?

    The necessary travel and health documents for your London Southend Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Portland to London Southend Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Portland from London Southend Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Portland to London Southend Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Chelmsford
Dover
Hayes
Dartford
Winchester
Hounslow
Stansted

Why use momondo?

Why should I use momondo to find a flight deal from Portland to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Portland.

Can I find flights from Portland to London with flexible booking policies on momondo?

All flight searches from Portland to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to London?

Once all potential Portland to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Thu 16/10
Thu 23/10

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