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Finding the cheapest time to fly to Thailand can make a huge difference in your travel budget. Based on booking data and airline fare trends, the best months for affordable tickets are usually during the shoulder seasons — May to June and September to October. These months sit between peak tourist seasons, meaning airlines drop fares to fill planes, and hotels also reduce prices, giving you double savings. Avoiding the busy period from December through March can save you up to 30% compared to high season rates.
The cheapest airfares are usually found in late spring (May–June) and early autumn (September–October). Fewer crowds and lower demand mean better deals across multiple airlines.
Round-trip fares from major U.S. and European cities can often drop to $600–$800 during shoulder season, compared to $1,000+ during peak travel months.
May–June and September–October offer a balance of lower prices with decent weather conditions, though you may see short tropical showers — a small trade-off for significant savings.
Fewer international arrivals mean quieter beaches, less crowded temples, and easier access to Thailand's most popular attractions.
Some festivals like Loy Krathong (November) and Songkran (April) increase demand and prices. Plan around these if you want savings.
Cheaper airfare pairs with discounted hotels during off-peak months, giving you extra value compared to the high season.
⚠️ Travel Hack: Avoid booking flights between mid-December and early March when demand spikes for winter holidays. Instead, target late spring or early fall for affordable flights and fewer tourists. For more planning insights, see our full
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Buy on AmazonFinding the cheapest flight isn't just about the month you travel — timing your booking is just as important. Travel data from Expedia and industry studies suggest that when you book, and even the day of the week you purchase, can influence your final ticket price by hundreds of dollars. Here are the proven strategies that help travelers save the most on flights to Thailand:
The sweet spot for international flights is around 7-9 weeks before departure. Fares are typically lowest during this window, especially on long-haul routes to Bangkok or Phuket.
Studies show booking on a Sunday can save up to 17–20% compared to other days. This is one of the easiest hacks to reduce airfare without changing your trip plans.
Departing on Tuesday or Wednesday instead of the weekend can cut prices by another 5–8%, while also reducing the risk of overbooked flights.
Waiting until the final week before departure almost always results in higher fares. Prices rise sharply as planes fill up, especially in peak season.
Platforms like Expedia and Kiwi.com allow you to set price alerts. This way, you’ll get notified the moment fares drop for your preferred route.
Booking 2–3 months before an off-peak season trip (May–June or Sept–Oct) locks in some of the lowest fares of the year.
💡 Smart Traveler Tip: Combine these strategies — book 2 months out, on a Sunday, for a midweek flight — and you could save 25-30% on average. For more savings, check our full guide on the
Travelers search most often for cheap flights from major cities around the world to Bangkok (BKK) and Phuket (HKT). These routes not only have the most competition among airlines, but also frequent promotions, giving you a better chance to find affordable fares. Explore some of the most popular routes below:
Nonstop and one-stop flights from New York to Bangkok are offered by major carriers like EVA Air, ANA, and Qatar Airways. Fares often dip under $800 during off-peak months.
See New York flight deals →
Toronto to Phuket usually requires a stop in Asia or the Middle East, but connecting flights with EVA Air or Emirates can bring prices below $1,000 CAD in May or October.
See Toronto flight deals →
Emirates and Etihad operate multiple daily flights between Dubai and Bangkok. Thanks to competition, this short 6-hour route is often one of the cheapest ways into Thailand
View Dubai flight deals →
Qantas, Thai Airways, and Singapore Airlines fly Sydney to Bangkok routes. Average fares range from $650-$900 AUD, with cheaper prices outside December holidays.
See Sydney flight deals →
London to Bangkok is one of the busiest Europe-Asia routes, with direct service from Thai Airways and British Airways. Flexible travelers can score round-trips for £450-£550.
See London flight deals →
At just 2 hours away, Singapore to Bangkok is one of the most competitive regional routes. Carriers like Scoot, AirAsia, and Singapore Airlines offer fares as low as $100-$150 SGD.
See Singapore flight deals →
With frequent flights under 5 hours, Mumbai to Bangkok is one of the most affordable routes. AirAsia and Thai Airways often advertise fares under ₹12,000 INR.
See Mumbai flight deals →
Air France and Thai Airways operate direct flights between Paris and Bangkok, while Qatar and Emirates offer cheaper one-stop options. Prices range from €500-€650 off-peak.
See Paris flight deals →
Lufthansa, Thai Airways, and Singapore Airlines fly direct from Frankfurt. Fares can drop under €480 if booked 6–8 weeks in advance.
See Frankfurt flight deals →
Flights from LAX to Bangkok usually connect through Tokyo, Taipei, or Doha. Deals occasionally drop below $750 round-trip when booked 2-3 months in advance.
See Los Angeles flight deals →When it comes to finding cheap flights to Thailand, two platforms stand out: Expedia and Kiwi.com. Both are trusted by millions of travelers worldwide, but they serve different needs. Expedia is ideal for booking flight + hotel packages with loyalty rewards, while Kiwi.com specializes in finding hidden cheap routes through virtual interlining. Using both gives you the widest range of savings and flexibility for your Thailand trip.
| Feature | Expedia | Kiwi.com |
|---|---|---|
| Best For | Vacation packages (Flight + Hotel) | Cheapest hidden flight routes |
| Average Savings | Up to 20% with bundles | Up to 40% with hacker fares |
| Flexibility | Change/cancel with Expedia support | Kiwi Guarantee protects missed connections |
💡 Traveler’s Tip: Expedia is perfect if you’re looking for a complete Thailand vacation package, while Kiwi.com is unbeatable for finding cheap hidden flight routes. Many frequent flyers use both to compare — and save the most.
Thailand offers more than just cheap flights — each destination has its own unique experiences. Compare flight prices with Kiwi.com's live widget, and explore our top travel spots below.
Famous for its beaches and nightlife, Phuket also offers island-hopping adventures to Phi Phi and James Bond Island.
Phuket →
Northern Thailand's cultural capital, with mountain treks, elephant sanctuaries, and ancient temples.
view Chiang Mai →
are a top tourist destination in Thailand, known for their stunning natural beauty and activities like swimming, snorkeling, and boat tours.
View Phi Phi Islands →Looking for the best time to save on flights to Thailand? Both Expedia and Kiwi.com regularly run promotions that can unlock big savings — from bundled vacation packages to hidden discount fares. Here's how you can take advantage of their offers without waiting for seasonal sales.
Save up to 20% instantly when you book your flight together with a hotel in Thailand. Expedia's bundles are perfect if you're planning a complete vacation and want everything managed in one booking.
Kiwi.com specializes in uncovering “hacker fares”, where you can combine different airlines for routes that traditional search engines don't show. Travelers have reported saving up to 40% on long-haul flights to Bangkok and Phuket.
Both Expedia and Kiwi run limited-time promotions several times a year. While discounts vary, subscribing to price alerts ensures you never miss a Thailand flight deal. Pair this with our guide on the best time to visit Thailand for maximum savings.
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read full blogTravel data suggests the “sweet spot” for international flights to Thailand is booking 2 to 8 months in advance, with prices often dropping around 44 days before departure. Booking too last minute—or too early—can cost you.
The shoulder seasons—typically May to June and September to October —often have the best fares. These are times when tourism is lower, yet weather remains good.
Yes—flights departing mid-week, especially on Tuesdays and Wednesdays , are frequently cheaper. Weekend departures (Friday-Sunday) tend to be more expensive.
Airlines or immigration may request proof of onward travel or a return ticket. While it's not always enforced, it's prudent to have either: a return or onward flight out of Thailand—to avoid complications.
Foreign visitors need a passport valid for at least 6 months and must complete the Thailand Digital Arrival Card (TDAC) online within 72 hours before arrival. The paper TM6 card is no longer accepted since May 2025.
Both platforms offer unique advantages: Expedia excels with flight-hotel bundle discounts and loyalty perks, while Kiwi.com specializes in “hacker fares” and flexible routing with its interlining technology. Many travellers compare both to optimize for price and convenience. (See above “ Why Book with Expedia & Kiwi.com ” section for details.)
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