
$300 Cheap Flights from Vietnam to Heathrow
One-way
Departing from
Vietnam
Going to
Heathrow
London (LHR)
United Kingdom • May, 2026
95% AI deal score
$1,910 $650
London (LHR)
United Kingdom • April, 2026
95% AI deal score
$1,910 $650
London (LHR)
United Kingdom • May, 2026
78% AI deal score
$580 $301
Top Cheap Flight Deals from Vietnam to Heathrow
Recent round-trip flight deals to Heathrow
Thu, May 21 - Wed, May 27
Cheapest
Hanoi (HAN) - London (LHR)
Etihad Airways airlines • 1 stop • Abu Dhabi (AUH)
London (LHR) - Hanoi (HAN)
Etihad Airways airlines • 1 stop • Abu Dhabi (AUH)
$955
$555
-$400
42%
Mon, Apr 20 - Wed, May 6
Hanoi (HAN) - London (LHR)
Etihad Airways airlines • 1 stop • Abu Dhabi (AUH)
London (LHR) - Hanoi (HAN)
Etihad Airways airlines • 1 stop • Abu Dhabi (AUH)
$955
$556
-$399
42%
Thu, Apr 23 - Sun, Apr 26
Ho Chi Minh City (SGN) - London (LHR)
Qatar Airways airlines • 1 stop • Doha (DOH)
London (LHR) - Ho Chi Minh City (SGN)
Shenzhen Airlines airlines • 1 stop • Shenzhen (SZX)
$580
$832
+$252
43%
Wed, Sep 23 - Mon, Sep 28
Da Nang (DAD) - London (LHR)
Malaysia Airlines airlines • 1 stop • Kuala Lumpur (KUL)
London (LHR) - Da Nang (DAD)
Shenzhen Airlines airlines • 2 stops • Shenzhen (SZX), Hanoi (HAN)
$490
$986
+$496
101%
Wed, Sep 23 - Wed, Sep 30
Da Nang (DAD) - London (LHR)
Malaysia Airlines airlines • 1 stop • Kuala Lumpur (KUL)
London (LHR) - Da Nang (DAD)
Shenzhen Airlines airlines • 2 stops • Shenzhen (SZX), Hanoi (HAN)
$490
$1,015
+$525
107%
Sat, Sep 26 - Mon, Sep 28
Da Nang (DAD) - London (LHR)
Malaysia Airlines airlines • 1 stop • Kuala Lumpur (KUL)
London (LHR) - Da Nang (DAD)
Shenzhen Airlines airlines • 2 stops • Shenzhen (SZX), Hanoi (HAN)
$490
$1,035
+$545
111%
The cheapest time to fly to Heathrow
Ready to jet to Heathrow on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Last-Minute Flights from Vietnam to Heathrow
Need to get to Heathrow 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
We found last-minute flight deals to London departing in the next two weeks, with prices starting from $1239.
⌛ Last-Minute
Da Nang - LHR
A great last-minute steal for a cross-country flight.
Found 5 days ago
$1240
round-trip
Facts About Flights from Vietnam to London
To help you plan your journey, here are some quick London flight facts and tips.
London airports
London's airports offer a wide array of choices for travelers. Heathrow (LHR), the UK's largest airport, is a global hub known for its extensive international connections and high-end services. Gatwick (LGW), located south of London, serves a mix of short-haul and long-haul flights, catering to both leisure and business travelers. Stansted (STN), to the northeast, is a major base for low-cost carriers, offering numerous European routes. Luton (LTN), also north of London, focuses on budget airlines and European destinations. London City (LCY), situated in the heart of London's Docklands, provides convenience for business travelers with its short runway and focus on European business centers. Southend (SEN), further east, offers a smaller, more relaxed environment with a growing number of European routes. Each airport provides different airlines, destinations, and overall travel experiences, allowing passengers to select the best option based on their needs and preferences.
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 Heathrow
Cheapest airport
Amsterdam (AMS)
Amsterdam Airport Schiphol (AMS) is a major international airport located near Amsterdam, Netherlands. Known for its single-terminal design, it is easy to navigate and consistently ranked among the best airports in Europe for passenger experience, offering numerous amenities and services.
Nonstop vs. 1-stop
70+ cities
LHR Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
LHR airport insights
Best days to catch a deal
Tue, Fri
Based on the provided data, Monday and Thursday seem to offer better chances at finding deals for flights from Heathrow. Tuesday, Wednesday, and Friday appear to be the days when deals are less frequently found.
Avg. deal survival time
13.2 hours
Deals from Heathrow airport typically survive for an average of 13.2 hours. Therefore, it is important to act fast to secure the best prices for flights from this airport.
Rare deal frequency
18 deals
We found 18 rare deals for flights departing from London Heathrow Airport in the past month. These rare deals, which usually include mistake fares, special promotions, or ultra-discounts, received an AI Deal Score of 90 or higher.
Average price drop
-72%
The average price drop for flights departing from Heathrow Airport is a significant 71.8%. This indicates a high potential for finding discounted fares on flights originating from this major international hub.
Next 4 weeks: deal forecast
Heathrow (LHR) Next Month Flight Forecast
The forecast for flights from Heathrow next month shows prices holding steady with a slight increase expected mid-month due to seasonal travel. Booking in advance is recommended to secure the best available rates.
Top 5 biggest price drops (last 3 months)
Found on March 31
Monastir - LHR
$708 → $86
88%
Found on March 25
Sitka - LHR
$3,875 → $486
87%
Found on March 30
Labasa - LHR
$7,950 → $1,110
86%
Found on March 30
Basel - LHR
$2,985 → $418
86%
Found on March 25
Andorra la Vella - LHR
$865 → $138
84%
Check these nearby airports too
Looking for more options? These airports near LHR sometimes drop rare deals too:
Gatwick (LGW)
~4 rare deals/month
Luton (LTN)
~11 rare deals/month
London Stansted (STN)
~8 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially LGW and LTN for long-haul deal surprises.
When Is the Best Time to Fly from Vietnam to Heathrow
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Heathrow:
Cheapest month
January
Cheapest month
January is typically the cheapest month to fly to London City. You'll find fewer crowds and lower prices on flights and accommodations. While it might be chilly, the city is still bustling with festive cheer from the holidays, offering a unique and budget-friendly experience.
Best day to book
Tuesday
Best day to book
Booking your flight to London City on a Tuesday can often save you some serious cash. Airlines tend to release deals early in the week, so keep your eyes peeled! Plus, fewer people are usually searching for flights on Tuesdays, giving you a better chance to snag a sweet deal.
Cheapest days to fly
Wednesday
Cheapest days to fly
Flying to London City on a Wednesday can be lighter on your wallet. Mid-week flights are generally less popular, which means airlines drop prices to fill those seats. So, if you're flexible with your travel dates, consider making Wednesday your day to jet off to London!
Advance booking sweet spot
2 months
Advance booking sweet spot
To snag the best deals on flights to London City, aim to book around two months in advance. This sweet spot allows you to capitalize on lower fares before they start climbing closer to your travel date. Planning ahead really does pay off, so get those dates locked in!
Heathrow Airports & Ground Transportation
One big question for travelers is which Heathrow airport to fly into. Here’s a quick guide to Heathrow’s airports and how to get to the city from each:
Heathrow Airport (LHR)
Heathrow Airport, London's primary international airport, is a bustling hub located west of the city. As one of the world's busiest airports, it offers an extensive range of amenities, including shops, restaurants, and lounges. Getting to and from central London is a breeze via the Heathrow Express train, which whisks you to Paddington Station in just 15 minutes. Alternatively, the London Underground's Piccadilly line provides a more budget-friendly option, though the journey takes longer. Be prepared for long walks, as the airport can be quite large.
Tip: Navigating Heathrow can be a marathon, so wear comfortable shoes!
Gatwick Airport (LGW)
Gatwick Airport, situated south of London, serves as a major airport for both international and domestic flights. It features two terminals, North and South, offering a variety of shops, restaurants, and services. Reaching central London is convenient via the Gatwick Express train, which runs directly to Victoria Station. Regular trains are also available, providing a slightly slower but more affordable option. Don't forget to factor in extra time, especially during peak travel seasons.
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 ready to be wowed by London's iconic landmarks! From Buckingham Palace to the Tower of London and the London Eye, you'll be snapping photos left and right. Don't forget to explore historic Westminster Abbey and Big Ben too.
Arts & culture
Immerse yourself in London's vibrant arts scene! Catch a world-class performance in the West End, explore masterpieces at the National Gallery, and wander through the eclectic exhibits at the Tate Modern. Street art in Shoreditch is also a must-see for something different!
Food & nightlife
Prepare your taste buds for a culinary adventure! London's food scene is incredibly diverse, from traditional pubs to Michelin-starred restaurants. As the sun sets, dive into the city's bustling nightlife with trendy bars, live music venues, and exclusive nightclubs.
Shopping & fashion
Shop 'til you drop in London's fashion-forward streets! From luxury boutiques in Mayfair to the quirky stalls of Camden Market, there's something for every style and budget. Don't miss iconic department stores like Harrods and Selfridges for a truly unique shopping experience.
Nearby getaways
Escape the city for a refreshing day trip! Explore the historic Windsor Castle, wander through the charming streets of Oxford, or soak up the coastal vibes in Brighton. These quick getaways offer a perfect contrast to London's bustling energy.
Events in London This Month
easter hunt at vauxhall city farm 2026
Participate in our annual Easter Egg Hunt this Easter! Head to our Community Garden to search for hidden eggs and clues, which you can then exchange for a delicious chocolate egg. Enjoy a fun-filled Easter activity with the whole family.
lush stratford city | easter half-term bath bomb workshop
Join us this Easter half-term at Lush Stratford City and create your very own adorable Munching Bunny bath bomb for only £3.50! This Easter Half-Term, learn how to make bath bombs at Lush Stratford City.
London Weather
Weather in London
Wed, Apr 1
25%
13° 6°
25%
Thu, Apr 2
Frequently Asked Questions About Flights to Heathrow
Pro Tips for Finding Cheap Flights to Heathrow
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Heathrow flights:
Be Flexible with Dates: Heathrow doesn't change location, but prices sure do! Flying mid-week or during the off-season can unlock significantly cheaper fares.
Consider Nearby Airports: Don't limit yourself! London is served by several airports. Check prices at Gatwick, Stansted, Luton, and City Airport. You might snag a steal and a scenic train ride!