In terms of precipitation, rainfall in London Southend Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Southend Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London Southend Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest time of day to fly from PDX to SEN?

When flying from Portland to London Southend Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Portland to London Southend?

Most people fly from Portland (PDX) if they book a flight from Portland to London Southend. On average, Portland has 0 outbound flights to London Southend per day from 0 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

Can I find deals for flights from Portland to Southend that include hotel bookings?

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

How can I find direct flights from Portland to Southend?

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

Can I find deals for business class flights from Portland to Southend?

Yes. Cheapflights offers flight deals from Portland to Southend by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$340+ Cheap Flights from Portland to London Southend Airport

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Cheap flight deals from Portland to Southend

Cheapest

Last-minute

One-way

Cheapest flights from Portland to Southend
Explore the most affordable flight options available from Portland to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.

Fri 2/209:50 am

PDX

SEN

3 stops25h 35m

Multiple Airlines

Sun 2/227:10 am

SEN

PDX

3 stops34h 05m

Multiple Airlines

Deal found 2/16

$3,602

One-way flights from Portland to Southend
Search for one-way flight options from Portland to Southend. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.

Mon 3/303:30 pm

PDX

SEN

3 stops47h 35m

Multiple Airlines

Deal found 2/14

$340

Tue 5/53:30 pm

PDX

SEN

3 stops23h 30m

Multiple Airlines

Deal found 2/17

$347

Sat 5/25:51 pm

PDX

SEN

2 stops57h 29m

Multiple Airlines

Deal found 2/16

$365

Mon 5/183:30 pm

PDX

SEN

3 stops32h 25m

Multiple Airlines

Deal found 2/17

$371

Tue 4/213:30 pm

PDX

SEN

3 stops20h 10m

Multiple Airlines

Deal found 2/17

$379

Sat 3/283:45 pm

PDX

SEN

3 stops32h 10m

Multiple Airlines

Deal found 2/16

$382

Mon 5/113:30 pm

PDX

SEN

2 stops23h 35m

Multiple Airlines

Deal found 2/17

$406

Wed 5/62:30 pm

PDX

SEN

3 stops21h 40m

Multiple Airlines

Deal found 2/17

$407

Tue 3/243:45 pm

PDX

SEN

3 stops24h 20m

Multiple Airlines

Deal found 2/16

$423

Find flight deals from Portland to Southend

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	June
Cheapest in	October
Average price	$775

Provider with most accurate pricing for Portland-London (LON) flight deals.

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Provider most trusted by Cheapflights users for Portland-London (LON) flights.

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($199 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).

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Average for round-trip flights in February 2026

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Cheapflights Fare Finder

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

Sat 5/2

5:51 pm-11:20 am

2 stops57h 29m

$365

PortlandLondon

PDX - SEN

PDXSEN

Portland

Sat 5/9

5:51 pm-11:20 am

2 stops57h 29m

$365

PortlandLondon

PDX - SEN

PDXSEN

Portland

Mon 5/18

3:30 pm-7:55 am

3 stops32h 25m

$371

PortlandLondon

PDX - SEN

PDXSEN

Portland

Tue 4/21

3:30 pm-7:40 pm

3 stops20h 10m

$379

PortlandLondon

PDX - SEN

PDXSEN

Portland

Sat 3/28

3:45 pm-6:55 am

3 stops32h 10m

$382

PortlandLondon

PDX - SEN

PDXSEN

Portland

Mon 5/11

3:30 pm-11:05 pm

2 stops23h 35m

$406

PortlandLondon

PDX - SEN

PDXSEN

Portland

Wed 5/6

2:30 pm-8:10 pm

3 stops21h 40m

$407

PortlandLondon

PDX - SEN

PDXSEN

Portland

Tue 5/5

3:30 pm-10:20 pm

2 stops22h 50m

$408

PortlandLondon

PDX - SEN

PDXSEN

Portland

Tue 3/24

3:45 pm-11:05 pm

3 stops24h 20m

$423

PortlandLondon

PDX - SEN

PDXSEN

Portland

Thu 4/23

3:30 pm-7:35 pm

3 stops20h 05m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

Best time to book a flight from Portland to Southend

Have a flexible travel schedule? Discover the best time to fly to Southend from Portland with our price prediction graph.

PDX-SEN

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.

Related info for your journey

What airport do you fly from for flights from Portland to London Southend?
Most people fly from Portland (PDX) if they book a flight from Portland to London Southend. On average, Portland has 0 outbound flights to London Southend per day from 0 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.
Can I find deals for flights from Portland to Southend that include hotel bookings?
Yes. In addition to deals on Portland to Southend flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Southend?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Southend.
Can I find deals for business class flights from Portland to Southend?
Yes. Cheapflights offers flight deals from Portland to Southend 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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Gatwick

Dartford

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Eastbourne

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Slough

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$340+ Cheap flights from Portland (PDX) to Southend (SEN)

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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Southend with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheap flight deals from Portland to Southend

Cheapest flights from Portland to SouthendExplore the most affordable flight options available from Portland to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.

Explore the most affordable flight options available from Portland to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.

Last-minute flights from Portland to SouthendDiscover last-minute flight deals from Portland to Southend. Data last updated February 18, 2026 and is based on user searches.

Discover last-minute flight deals from Portland to Southend. Data last updated February 18, 2026 and is based on user searches.

One-way flights from Portland to SouthendSearch for one-way flight options from Portland to Southend. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.

Search for one-way flight options from Portland to Southend. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.

Find flight deals from Portland to Southend

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Use the filters below to find and compare flights from Portland to London Southend Airport that are best for you.

Best time to book a flight from Portland to Southend

Have a flexible travel schedule? Discover the best time to fly to Southend from Portland with our price prediction graph.

Related info for your journey

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

What airport do you fly from for flights from Portland to London Southend?

Can I find deals for flights from Portland to Southend that include hotel bookings?

How can I find direct flights from Portland to Southend?

Can I find deals for business class flights from Portland to Southend?

Traveling to a place near London Southend Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portland to Southend

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Complete your trip

Complete your trip to Southend by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Portland to Southend by cabin class

Find flights from Portland to Southend, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portland and Southend flights

Browse other Portland and Southend flight options. Last updated on February 18, 2026.

Other flights from Portland

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Cheapest flights from Portland to Southend
Explore the most affordable flight options available from Portland to Southend. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.

Last-minute flights from Portland to Southend
Discover last-minute flight deals from Portland to Southend. Data last updated February 18, 2026 and is based on user searches.

One-way flights from Portland to Southend
Search for one-way flight options from Portland to Southend. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.