$383 Cheap Flights from Pittsburgh International to London
One-way
Departing from
Pittsburgh International
Going to
London, United Kingdom
London (STN)
United Kingdom • May, 2026
77% AI deal score
$3,240 $457
London (LGW)
United Kingdom • May, 2026
74% AI deal score
$800 $529
London (LGW)
United Kingdom • May, 2026
64% AI deal score
$800 $383
London (LHR)
United Kingdom • May, 2026
57% AI deal score
$670 $426
London (LCY)
United Kingdom • May, 2026
45% AI deal score
$705 $591
This is the lowest one-way flight price found by RatePunk users in the last 24 hours for a flight going to London. Fares are subject to change and may not be available for all dates. (Data last updated 5/16/2026).
Popular airlines to London
American Airlines
Air France
British Airways
Delta Air Lines
Aer Lingus
Emirates Airlines
KLM
Lufthansa
383,828 searches in the past 7 days on RatePunk
Flight deals up to 90% off
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Top Cheap Flight Deals from Pittsburgh International to London
Recent round-trip flight deals to London
Thu, May 28 - Fri, Jun 5
Cheapest
Pittsburgh (PIT) - London (YXU)
Spirit Airlines airlines • 3 stops • Fort Lauderdale (FLL), Toronto (YYZ), Winnipeg (YWG)
London (YXU) - Pittsburgh (PIT)
WestJet airlines • 3 stops • Winnipeg (YWG), Toronto (YYZ), Fort Lauderdale (FLL)
$995
$677
-$318
32%
Thu, Jun 4 - Fri, Jun 12
Pittsburgh (PIT) - London (YXU)
Sun Country Airlines airlines • 3 stops • Minneapolis (MSP), Denver (DEN), Calgary (YYC)
London (YXU) - Pittsburgh (PIT)
WestJet airlines • 3 stops • Winnipeg (YWG), Toronto (YYZ), Fort Lauderdale (FLL)
$1,035
$681
-$354
34%
Thu, May 28 - Sun, Jun 7
Pittsburgh (PIT) - London (YXU)
Spirit Airlines airlines • 3 stops • Fort Lauderdale (FLL), Toronto (YYZ), Winnipeg (YWG)
London (YXU) - Pittsburgh (PIT)
WestJet airlines • 3 stops • Winnipeg (YWG), Calgary (YYC), Atlanta (ATL)
$995
$719
-$276
28%
Sun, May 24 - Fri, Jun 5
Pittsburgh (PIT) - London (YXU)
WestJet airlines • 2 stops • Detroit (DTW), Calgary (YYC)
London (YXU) - Pittsburgh (PIT)
WestJet airlines • 3 stops • Winnipeg (YWG), Toronto (YYZ), Fort Lauderdale (FLL)
$995
$758
-$237
24%
Sun, May 24 - Fri, May 29
Pittsburgh (PIT) - London (YXU)
WestJet airlines • 2 stops • Detroit (DTW), Calgary (YYC)
London (YXU) - Pittsburgh (PIT)
WestJet airlines • 3 stops • Winnipeg (YWG), Toronto (YYZ), Fort Lauderdale (FLL)
$995
$761
-$234
24%
Sat, May 30 - Fri, Jun 5
Pittsburgh (PIT) - London (YXU)
United Airlines airlines • 2 stops • Chicago (ORD), Toronto (YYZ)
London (YXU) - Pittsburgh (PIT)
United Airlines airlines • 1 stop • Toronto (YYZ)
$995
$767
-$228
23%
The cheapest time to fly to London
Ready to jet to London on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Last-Minute Flights from Pittsburgh International to London
Need to get to London ASAP? Even if you're booking a flight on short notice, there are often last-minute deals available:
Next 2 weeks deals
Last Minute Flight Deals to London
We found last-minute flight deals to London departing in the next two weeks, with prices starting from $457.
⌛ Last-Minute
Pittsburgh - LON
A great last-minute steal for a cross-country flight.
Found 1 week ago
$457
one-way
⌛ Last-Minute
Pittsburgh - LON
A great last-minute steal for a cross-country flight.
Found 1 week ago
$457
one-way
Tip: If you don’t see your city listed, try a quick search anyway – new deals appear daily. Airlines sometimes slash prices a few days before departure to avoid empty seats.
Keep in mind, while last-minute fares can be lucky finds, booking about a month in advance generally yields cheaper flights on average. If you have flexibility, try to plan ahead. But if an unexpected trip to London pops up, check our site – you might get lucky with a sudden fare drop.
Facts About Flights from Pittsburgh International to London
To help you plan your journey, here are some quick London flight facts and tips.
London city airports
London is served by six major international airports, each offering a unique travel experience and catering to different needs. Heathrow (LHR), the busiest airport in Europe, is a global hub offering extensive connections worldwide. Gatwick (LGW), the second busiest, provides a mix of short-haul and long-haul flights, including many leisure routes. Stansted (STN) is a popular choice for low-cost carriers and European destinations. Luton (LTN) also focuses on budget airlines and European travel. London City (LCY), located closer to the city center, caters to business travelers with short-haul flights and efficient service. Southend (SEN), further afield, offers a quieter alternative with a growing number of European routes. Each airport has its own distinct character, transport links, and range of services, allowing travelers to choose the best option for their journey.
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
Cheapest airport
London Stansted (STN)
Looking for a budget-friendly gateway to London? London Stansted (STN) is your answer! Located northeast of the city, it is well-connected by trains and buses, making it a convenient option for savvy travelers. While it mainly hosts budget airlines, you'll find great deals to explore London and beyond.
Nonstop vs. 1-stop
100+ cities
London is a major hub connecting travelers to over 100 cities, making it a breeze to hop over to New York, Dubai, or Hong Kong!
Number of airlines
100+ airlines
London is a major hub served by over 100 airlines, offering a wide range of options from full-service carriers like British Airways and Virgin Atlantic to low-cost airlines like easyJet and Ryanair, so you're sure to find a flight that fits your needs!
Typical price range (round-trip)
$300 - $1200
Generally, flights to London can range from around $300 to $1200, depending on various factors. Prices tend to surge during peak seasons like summer and the holidays, while you might snag better deals during the off-season, such as late fall or early spring. Keep an eye on those fluctuating fares!
Flight frequency
1,200+ flights
Flights to London are frequent, with several flights departing daily. Expect increased flight frequency during peak seasons and more options during typical business travel times!
STN Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
STN airport insights
Best days to catch a deal
Thur, Tue
Based on the data, Monday is the best day to find cheap flight deals from London Stansted Airport. Thursday is the worst day to find deals.
Avg. deal survival time
14.4 hours
Deals from London Stansted airport typically last for an average of 14.4 hours. This means that potential travelers need to act fast to secure these limited-time offers.
Rare deal frequency
14 deals
We found 14 rare deals for flights departing from London Stansted Airport in the past month. These rare deals had an AI Deal Score of 90+, and usually consist of mistake fares, special promotions, or ultra-discounts.
Average price drop
-81%
The average price drop for flights from London Stansted Airport is an impressive 81.1%. This means travelers can potentially save a significant amount on airfare by monitoring prices for flights departing from this airport.
Next 4 weeks: deal forecast
London Stansted Next Month Flight Forecast
Based on current trends, flights from London Stansted are expected to maintain steady prices next month. There are no significant price drops or increases anticipated as of February 5th, 2026.
Top 5 biggest price drops (last 3 months)
Found on April 30
Cephalonia - STN
$1,138 → $60
95%
Found on May 1
Frankfurt - STN
$3,150 → $154
95%
Found on May 6
Burgas - STN
$1,418 → $88
94%
Found on May 5
Pula - STN
$1,200 → $70
94%
Found on May 5
Kalamata - STN
$1,200 → $72
94%
Check these nearby airports too
Looking for more options? These airports near STN sometimes drop rare deals too:
London City (LCY)
~9 rare deals/month
Luton (LTN)
~13 rare deals/month
London Southend (SEN)
~5 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially LCY and LTN for long-haul deal surprises.
When Is the Best Time to Fly from Pittsburgh International to London
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to London:
Cheapest month
January
Cheapest month
January is typically the cheapest month to fly to London City. While it might be chilly, you'll find fewer tourists and lower prices on flights and accommodations. Plus, London's indoor attractions, like museums and theaters, are perfect for escaping the winter weather, making it a savvy time to explore the city.
Best day to book
Tuesday
Best day to book
Tuesday is often the golden day to book flights to London City! Airlines tend to release deals early in the week, and by Tuesday, you might catch some of the best offers. Keep an eye on those mid-week discounts to snag a bargain for your London adventure.
Cheapest days to fly
Wednesday
Cheapest days to fly
Flying to London City on a Wednesday can save you some serious cash. Mid-week flights are generally less popular, prompting airlines to lower prices to fill those seats. So, consider starting your London exploration mid-week to keep your wallet happy!
Advance booking sweet spot
2 months
Advance booking sweet spot
The sweet spot for booking flights to London City is often around two months in advance. This timeframe usually offers a balance between availability and affordability. Booking too early might mean higher prices, while waiting too long could lead to limited options and increased costs.
Seasonal considerations
Distinct
Seasonal considerations
Seasonal considerations definitely play a role when booking flights to London City. Summer sees a surge in tourism, driving up flight prices, while winter offers lower fares but potentially less favorable weather. Spring and autumn can provide a sweet spot with pleasant weather and reasonable prices, so plan accordingly!
TL;DR: To sum it up: January is the cheapest month to fly to London City, and booking on a Tuesday could save you money. Aim to fly on a Wednesday for even more savings, and book about two months in advance to snag the best deals. Keep in mind that seasonal demand impacts flight prices, so plan your trip accordingly to maximize your savings and enjoy your London adventure!
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:
London Heathrow Airport (LHR)
As the UK's largest and busiest airport, Heathrow is a global hub connecting London to destinations worldwide. You'll find an extensive array of shops, restaurants, and lounges to keep you entertained during your travels. Located about 15 miles west of central London, Heathrow is easily accessible via the Heathrow Express train, the London Underground (Piccadilly line), buses, and taxis. The Heathrow Express is your quickest option into Paddington Station. Be sure to explore the various terminals; some even feature art installations!
Tip: Check your terminal in advance to navigate efficiently through this expansive airport.
London Gatwick Airport (LGW)
Gatwick, the second-busiest airport in the UK, offers a mix of international and domestic flights, including a wide range of budget-friendly options. The airport boasts a selection of shops, restaurants, and services to cater to travelers' needs. Situated approximately 30 miles south of Central London, you can reach the city via the Gatwick Express train to Victoria Station, as well as other train services, buses and taxis. With two terminals, North and South, Gatwick provides various connections to Europe and beyond. Consider exploring the নামাজ interfaith chapel for a moment of peace.
Tip: Allow ample time for transfers between the North and South Terminals, especially if you're unfamiliar with the airport layout.
London Stansted Airport (STN)
Stansted Airport, located about 40 miles northeast of Central London, is a major base for low-cost airlines. It offers a range of European and international destinations. Inside the airport, you'll find a variety of shops, restaurants, and essential travel services. Reaching Central London is convenient via the Stansted Express train to Liverpool Street Station, as well as bus services and taxis. The architecture of the terminal building, with its floating roof, is quite impressive, so look up!
Tip: Pre-book your Stansted Express tickets online for potential discounts and a smoother journey.
Other airports
While London boasts several airports within its immediate vicinity, consider exploring options slightly further afield for potential savings! Airports like Birmingham, Southampton, and Bristol could offer cheaper flights, but remember to factor in the cost and time of ground transportation to London, which may include train or bus journeys. Before booking, weigh the flight savings against the convenience of direct access to the city.
Airport transfers
Navigating London from its airports is a breeze, with options galore! Hop on the Heathrow Express for a speedy ride, take a budget-friendly bus, or grab a taxi for door-to-door service; each choice balancing cost and convenience.
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 Houses of Parliament. Don't forget to ride the London Eye for breathtaking panoramic views of the city! Each site is steeped in history and offers a unique glimpse into London's rich heritage.
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 cutting-edge contemporary art at the Tate Modern. There's always something to inspire and delight!
Food & Nightlife
Indulge in a culinary adventure through London's diverse food scene, from traditional pubs to Michelin-starred restaurants. As the sun sets, experience the city's buzzing nightlife in trendy bars, live music venues, and exclusive clubs. Cheers to unforgettable evenings in London!
Shopping & Fashion
Shop 'til you drop in London's famous shopping districts like Oxford Street, Regent Street, and Covent Garden. Discover high-end fashion, unique boutiques, and vintage treasures. Whether you're after designer labels or quirky finds, London has something for every style and budget!
Nearby Getaways
Escape the city bustle with a day trip to charming nearby destinations like Windsor Castle, Stonehenge, or the Cotswolds. Explore historic towns, picturesque countryside, and stunning natural landscapes. These getaways offer a perfect contrast to the city's vibrant energy and a chance to unwind.
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
20%
11° 7°
20%
Thu, May 7
20%
15° 6°
20%
Fri, May 8
20%
17° 8°
20%
Sat, May 9
10%
20° 9°
10%
Sun, May 10
20%
15° 4°
20%
Mon, May 11
15%
10° 2°
15%
Tue, May 12
20%
14° 5°
20%
Here’s a quick look at the weather you can expect, plus this week’s forecast:
Seasons: London experiences four seasons: Spring (March-May) brings milder temperatures, ranging from 5°C to 15°C (41°F to 59°F), and blooming flowers. Summer (June-August) is warmer, with temperatures between 15°C and 25°C (59°F to 77°F), and longer daylight hours. Autumn (September-November) sees cooler temperatures, from 10°C to 18°C (50°F to 64°F), and colorful foliage. Winter (December-February) is cold, with temperatures between 2°C and 8°C (36°F to 46°F), and occasional snowfall.
Rain: London experiences precipitation throughout the year, with rain being more common than snow. The chance of rain is present every month, but it is not usually impactful enough to cause major travel disruptions.
This week's forecast: This week in London, temperatures will range from 8.7°C to 19.6°C (47.66°F to 67.28°F). There will be a mix of cloudy and partly cloudy days, with a high chance of rain throughout the week. Be prepared for potential drizzles and showers.
(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
(Have more questions?) Feel free to reach out or check our comprehensive London travel guide. We’re here to help make your flight to London (and the trip itself) as smooth as possible.
Pro Tips for Finding Cheap Flights to London
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on London flights:
Be Flexible with Your Dates: Flying mid-week or during the off-season can seriously slash those ticket prices. Think of it as London calling your name for less!
Consider Alternative Airports: London has several airports – Heathrow, Gatwick, Stansted, Luton, and City. Sometimes flying into a less popular airport can save you a pretty penny.
Snatch those Early Bird and Last-Minute Deals: Keep an eye out for both early bird discounts (booking well in advance) and last-minute offers. Airlines sometimes drop prices to fill seats!
Use Incognito Mode: Airlines and travel sites might track your searches and hike prices accordingly. Browse in incognito mode to see the real deals!
Mix and Match Airlines: Don't be afraid to fly to London with one airline and return with another. Sometimes, booking two one-way tickets can be cheaper than a round trip.
Take Advantage of Stopovers: If you're not in a rush, consider flights with layovers. They're often cheaper than direct flights, and you might get to see another city along the way!
Airline Loyalty Programs: Join airline loyalty programs and collect those miles! You can redeem them for flights to London and other perks like free baggage.
Social Media Deals: Follow airlines and travel agencies on social media. They often announce flash sales and exclusive discounts there first!
Bundle Up: Consider booking your flight and hotel together as a package. These bundles can often save you money compared to booking separately.
Set Up Price Alerts on RatePunk: RatePunk is your best friend for snagging cheap flights. Set up price alerts and get notified the moment prices drop. Happy travels!
By keeping these tips in mind, you’ll be well-equipped to find the cheapest flights to London 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! 🎉✈️