$446 Cheap Flights from Portland International to London Southend
One-way
Departing from
Portland International
Going to
London Southend
London (SEN)
United Kingdom • January, 2027
37% AI deal score
$447
London (SEN)
United Kingdom • July, 2026
29% AI deal score
$446
This is the lowest one-way flight price found by RatePunk users in the last 24 hours for a flight going to London Southend. Fares are subject to change and may not be available for all dates. (Data last updated 5/16/2026).
Popular airlines to London Southend
American Airlines
Air France
British Airways
Delta Air Lines
Aer Lingus
Emirates Airlines
KLM
Lufthansa
395,200 searches in the past 7 days on RatePunk
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Top Cheap Flight Deals from Portland International to London Southend
The cheapest time to fly to London Southend
Ready to jet to London Southend on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Facts About Flights from Portland International to London
To help you plan your journey, here are some quick London flight facts and tips.
London airports
London is served by six major airports, each offering a unique gateway to the city and beyond. Heathrow (LHR), the UK's largest airport, is a global hub with extensive international connections. Gatwick (LGW), located to the south, is a busy airport catering to both short-haul and long-haul flights, including many leisure routes. Stansted (STN), to the northeast, is a base for many low-cost carriers serving European destinations. Luton (LTN), further north, also focuses on budget airlines and European routes. London City (LCY), located in the Docklands, offers convenient access to the city center, primarily serving business travelers with short-haul flights. Southend (SEN), on the Essex coast, provides a smaller, more relaxed airport experience with connections to various European destinations. These airports collectively ensure London remains a global travel hub, offering diverse options for travelers.
Heathrow (LHR)
London, United Kingdom
Gatwick (LGW)
London, United Kingdom
London Stansted (STN)
London, United Kingdom
Luton (LTN)
London, United Kingdom
London City (LCY)
London, United Kingdom
London Southend (SEN)
London, United Kingdom
Pro tip: search “London (Any)” to see fares to all London airports – sometimes one is cheaper than the others on your dates.
Insights for flights to London Southend
Cheapest airport
London Stansted (STN)
Want to save some serious dough on your flight to London? London Stansted Airport (STN) is your golden ticket! While it's a bit further out than Heathrow, this airport offers a plethora of budget-friendly flights and is well-connected to the city center by train and bus. Plus, you can use that extra cash for a fancy afternoon tea – pip pip cheerio!
Nonstop vs. 1-stop
20+ cities
London Southend Airport is more of a secondary gateway, but it still offers connections to over 20 cities, especially within Europe; popular routes include flights to destinations in Spain, Netherlands and Ireland.
Number of airlines
10+ airlines
London Southend Airport is served by more than 10 airlines, offering both full-service and low-cost options, with popular choices including easyJet and Ryanair.
Typical price range (round-trip)
$80 - $400
Generally, flights to London Southend can range from $80 to $400, depending on when you book. Prices usually peak during the summer and around the holidays due to increased tourist traffic. Keep an eye out for deals in the off-season, like late autumn or early spring, to snag the best bargains!
Flight frequency
100+ flights
While flights to London Southend can vary, you'll generally find consistent options throughout the week, with potential increases during peak tourist seasons and potentially during the morning for business travels.
SEN Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
SEN airport insights
Best days to catch a deal
Wed, Sat
Based on the data, Monday has the most frequent occurrence of cheap flight deals for London Southend airport. Wednesday has the least amount of deals so it is best to avoid that day when searching for flights.
Avg. deal survival time
8.8 hours
Deals from London Southend Airport typically survive for about 8.8 hours. This means you'll want to book quickly when you see a good price!
Rare deal frequency
13 deals
In the past month, we discovered 13 rare deals for flights from London Southend Airport. These rare deals, which usually consist of mistake fares, special promotions, or ultra-discounts, achieved an AI Deal Score of 90 or higher.
Average price drop
-12%
The average price drop for flights departing from London Southend Airport is 12.0%. This means that, on average, flight prices from this airport decrease by 12.0% between the time they are first listed and the time of departure.
Next 4 weeks: deal forecast
London Southend Flight Forecast - Next Month
Based on current trends, flight prices from London Southend are expected to remain stable next month. There are no significant price drops or increases anticipated in the near future.
Top 5 biggest price drops (last 3 months)
Found on May 5
Faro - SEN
$428 → $44
90%
Found on April 30
Las Palmas - SEN
$338 → $49
86%
Found on May 6
Berlin - SEN
$353 → $69
80%
Found on May 3
Málaga - SEN
$295 → $34
88%
Found on May 4
Geneva - SEN
$315 → $55
83%
Check these nearby airports too
Looking for more options? These airports near SEN sometimes drop rare deals too:
London City (LCY)
~5 rare deals/month
Gatwick (LGW)
~12 rare deals/month
London Stansted (STN)
~3 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially LCY and LGW for long-haul deal surprises.
When Is the Best Time to Fly from Portland International to London Southend
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to London Southend:
Cheapest month
January
Cheapest month
January is typically the cheapest month to fly to London City. You'll find fewer tourists and lower prices on flights and accommodations. While it might be chilly, the city's indoor attractions, cozy pubs, and winter markets offer a delightful escape, and the post-holiday sales can be a bonus for savvy shoppers!
Best day to book
Tuesday
Best day to book
Booking your flight on a Tuesday could save you some serious cash! Airlines often release deals early in the week to stir up demand. Keep an eye out for those mid-week specials and get ready to snag a bargain for your London adventure.
Cheapest days to fly
Wednesday
Cheapest days to fly
Flying on a Wednesday is often lighter on the wallet. Mid-week flights tend to be less popular with business travelers, resulting in lower fares. Take advantage of these less crowded skies and enjoy a more budget-friendly trip to London City.
Advance booking sweet spot
2 months
Advance booking sweet spot
Booking about 2 months in advance is the sweet spot for flights to London City. This timeframe often allows you to snag the best deals before prices start to climb closer to your travel date. Planning ahead will give you a wider selection of flights and a better chance to lock in a price that makes your wallet happy.
Seasonal considerations
Distinct
Seasonal considerations
London City experiences distinct seasonal travel patterns. Summer (June-August) sees a surge in tourism and higher flight prices. The shoulder seasons (April-May and September-October) offer a balance of pleasant weather and more reasonable fares, making them ideal times to visit if you want to save some money and avoid the biggest crowds.
TL;DR: To snag the best deal on flights to London City, aim to travel in January and book approximately 2 months in advance, ideally on a Tuesday for potential discounts. Consider flying on a Wednesday to save even more! London experiences distinct seasonal travel patterns, with the shoulder seasons offering a sweet spot of pleasant weather and reasonable fares. By planning strategically, you can explore this iconic city without breaking the bank!
London Airports & Ground Transportation
One big question for travelers is which London airport to fly into. Here’s a quick guide to London’s airports and how to get to the city from each:
Heathrow Airport (LHR)
Heathrow Airport, one of the world's busiest international airports, serves as a major gateway to London and the UK. Located about 15 miles west of Central London, it offers a vast array of shops, restaurants, and lounges to keep you entertained. Getting into London is a breeze with the Heathrow Express train whisking you to Paddington Station in just 15 minutes. Alternatively, the London Underground's Piccadilly line offers a more budget-friendly option, though the journey takes closer to an hour. For a splurge, be sure to check out the luxurious shopping options in Terminal 5!
Tip: Consider using the Heathrow Express for the quickest journey into central London.
Gatwick Airport (LGW)
Gatwick Airport, situated about 30 miles south of Central London, is another key international hub serving the city. With two terminals, North and South, it features a variety of shops, restaurants, and services to cater to travelers. To get to London, the Gatwick Express train offers a direct route to Victoria Station in around 30 minutes. Southern trains also operate frequently, providing a slightly slower but often more affordable option. Don't forget to explore the charming shops and restaurants in the South Terminal before your flight!
Tip: Check train schedules in advance to snag cheaper fares.
Stansted Airport (STN)
Stansted Airport, located approximately 40 miles northeast of Central London, is a popular choice for budget airlines and European flights. While it's a bit further out, Stansted offers a range of shops, restaurants, and services to make your travel experience smoother. The Stansted Express train provides a direct link to London Liverpool Street Station in about 50 minutes. Coach services are also available, offering a more economical, though longer, journey into the city. Keep an eye out for flight deals, but factor in the extra travel time to and from the city center!
Tip: Factor in extra travel time when heading to Stansted, especially during peak hours.
Other airports
Alright, buckle up for some London airport insights! While Heathrow and Gatwick are the big names, don't forget about airports like Luton, Stansted, and Southend, which sit just outside the city. The downside is they're a bit further out, but the upside is that they often have budget-friendly flights; plus, with trains and buses zipping you into central London, you'll be sipping tea in no time!
Airport transfers
Getting around London from its airports is a breeze, mate! The Heathrow Express train whisks you to Paddington in a flash, while the Gatwick Express does the same to Victoria. Plus, you've got the trusty Tube, regular trains, coaches, and taxis to choose from, ensuring you're well-connected no matter where you land.
What to Do in London
London isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in London, organized by interest:
Sightseeing & landmarks
Get your camera ready to explore iconic landmarks like the Tower of London, Buckingham Palace, and the London Eye! Don't forget to stroll through historic neighborhoods and snap photos of the charming architecture.
Arts & culture
Immerse yourself in London's vibrant arts scene by visiting world-class museums such as the British Museum and the National Gallery. Catch a captivating performance in the West End or explore the trendy art galleries in Shoreditch.
Food & nightlife
Indulge in London's diverse culinary scene, from traditional pubs serving fish and chips to Michelin-starred restaurants offering exquisite cuisine. As the sun sets, experience London's vibrant nightlife in lively bars, clubs, and music venues.
Shopping & fashion
Shop 'til you drop in London's famous shopping districts like Oxford Street and Regent Street, where you'll find a wide range of high-street brands and luxury boutiques. Explore the unique shops and vintage markets in areas like Covent Garden and Notting Hill for hidden gems and stylish finds.
Nearby getaways
Escape the city bustle and discover charming destinations near London, such as the historic city of Bath with its Roman baths and Georgian architecture. Explore the picturesque countryside of the Cotswolds or visit the university town of Cambridge for a relaxing day trip.
No matter your interest – be it art, food, nightlife, or nature – London has something for everyone. And the best part? Many events and attractions refresh throughout the year, so there’s always something new to experience each visit.
Events in London This Month
nature kids, banríon, frank lloyd wleft
Nature Kids, a rock band from Leeds, released their self-titled debut album in April 2025. Critics have noted similarities to other bands, and their music is worth checking out.
speed dating london | cityswoon® | 30-59 years | at the broadcaster white city
Meet up to 100 London singles and celebrate the arrival of spring at this exciting event!
london city island quiz night - trivia!
Test your knowledge and compete for prizes at our Monthly Quiz Night at The Lockdown Room!
8 a side football city of london academy, southwark
Come and join a social football game in South Bermondsey! If you're seeking a relaxed 8-a-side match in Central London, this is the perfect opportunity to enjoy the beautiful game and meet new people.
jennifer johnston and julius drake
Purchase tickets to see Julius Drake perform at Cadogan Hall in London on April 30, 2026, at 7:30 PM.
London Weather
Weather in London
Wed, May 6
35%
12° 8°
35%
Thu, May 7
20%
14° 8°
20%
Fri, May 8
15%
17° 10°
15%
Sat, May 9
10%
17° 10°
10%
Sun, May 10
10%
16° 5°
10%
Mon, May 11
25%
13° 6°
25%
Tue, May 12
10%
16° 8°
10%
Here’s a quick look at the weather you can expect, plus this week’s forecast:
Seasons: London experiences four distinct seasons. Spring (March-May) brings milder temperatures, ranging from 5°C to 15°C (41°F to 59°F), and blossoming flowers. Summer (June-August) is the warmest, with temperatures between 15°C and 25°C (59°F to 77°F). Autumn (September-November) sees temperatures cool down to 8°C to 18°C (46°F to 64°F) with colorful foliage. Winter (December-February) is the coldest, with temperatures between 2°C and 8°C (36°F to 46°F).
Rain: London experiences precipitation throughout the year, with rain being common. While snow can occur during the winter months, it is less frequent. Overall, rain can impact travel, especially during peak seasons.
This week's forecast: Based on the forecast, this week in London will have temperatures ranging from 9.3°C to 17°C (48.74°F to 62.6°F). There is a high probability of rain throughout the week, especially on Monday, so pack an umbrella if you are traveling.
(We update the weather forecast weekly so you know what to expect during your travel week. Always check a day or two before your flight for the most current conditions.)
Frequently Asked Questions About Flights to London Southend
(Have more questions?) Feel free to reach out or check our comprehensive London Southend travel guide. We’re here to help make your flight to London Southend (and the trip itself) as smooth as possible.
Pro Tips for Finding Cheap Flights to London Southend
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on London Southend flights:
Fly Off-Peak, Save Big!: Want to save some serious dough? Fly to London Southend when everyone else isn't! Think Tuesdays, Wednesdays, or Saturdays for the cheapest flights. Avoid weekends and holidays like the plague – unless you're into paying extra, that is!
Be a Booking Buffer!: Snag the best prices by booking well in advance – ideally 2-3 months before your trip. Last-minute deals are rare unicorns; planning ahead is your golden ticket to savings!
Airport Alternatives Alert!: London has many airports! Southend is cool, but compare it with other London airports like Stansted or Gatwick. A little flexibility can lead to a surprisingly cheaper flight.
Mix and Match Magic!: Don't be afraid to mix and match airlines! Fly one airline to London and a different one back. Sometimes, two one-way tickets are cheaper than a round trip – who knew?
Red-Eye Redemption!: Embrace the red-eye flight! These late-night or early-morning flights are often cheaper because, let’s face it, most people prefer sleeping in a real bed. Your wallet will thank you.
Layover Leverage!: Consider flights with layovers! Direct flights are awesome, but a layover can seriously cut costs. Just bring a good book or download some movies for the journey.
Befriend Budget Airlines!: Budget airlines are your best friend! Look into airlines that fly to London Southend. Just be mindful of extra fees for baggage and seat selection, ok?
Incognito Intrigue!: Always browse for flights in incognito mode or clear your browser's cookies. Airlines sometimes raise prices if they see you've searched for the same flight multiple times. Sneaky, right?
RatePunk Price Patrol!: Set up price alerts on RatePunk and relax while it does the work for you! You'll get notified the moment prices drop, ensuring you never miss a steal.
Flex Your Dates!: Be flexible with your travel dates. Even shifting your departure or return by a day or two can drastically reduce the cost of your flight. A little wiggle room goes a long way!
By keeping these tips in mind, you’ll be well-equipped to find the cheapest flights to London Southend and make the most of your travel budget. After all, the more you save on your flight, the more you can spend on a Broadway show, a nice meal, or an extra tour in London Southend! 🎉✈️