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Cheap Flight Tickets to Thailand

Looking for cheap flights to Thailand that actually fit your budget?

Dates
Wed, Oct 21 – Fri, Oct 23
No. of travellers & Class
1 Traveller · Economy
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Find and book the cheapest flights to Thailand. Triwize searches over 500+ airlines at once — comparing every available fare on routes to Bangkok, Chiang Mai, Phuket, Koh Samui, and more. Whether you are planning months ahead or need a last-minute deal, we find you the best price, every time.

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Round trip flight deals

The card below shows the cheapest round-trip fares currently available. Updated every 24 hours. Click any to search available seats.

Enter your travel dates to find the best prices
Wed, 3 Nov - Fri, 5 Nov
Airline logo
9:45SEA
17h 00m
Non-stop
05:45SIN
Airline logo
9:00SIN
14h 10m
Non-stop
08:10SEA
$653Economy · per person
Wed, 3 Nov - Fri, 5 Nov
Airline logo
12:05LAX
16h 35m
Non-stop
7:40SIN
Airline logo
20:45SIN
16h 05m
Non-stop
21:50LAX
$857Economy · per person
Wed, 3 Nov - Fri, 5 Nov
Airline logo
7:00LAX
25h 35m
1 stop
12:10SIN
Airline logo
20:45SIN
16h 5m
Non-stop
21:50LAX
$855Economy · per person
Wed, 3 Nov - Fri, 5 Nov
Airline logo
08:37LAX
29h 38m
2 stops
05:15SIN
Airline logo
07:00SIN
19h 32m
1 stop
11:32LAX
$873Economy · per person
Wed, 3 Nov - Fri, 5 Nov
Airline logo
13:18ONT
25h 57m
2 stops
06:15SIN
Airline logo
8:45SIN
18h 27m
1 stop
12:12ONT
$878Economy · per person
Wed, 3 Nov - Fri, 5 Nov
Airline logo
06:00ONT
21h 35m
1 stop
18:35SIN
Airline logo
08:45SIN
26h 18m
1 stop
20:01ONT
$873Economy · per person
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Best Time to Book Flight Tickets to Thailand

When to book the cheapest Flights to Thailand Phuket?

September and June are the cheapest months to fly to Thailand from the US. Booking 45-75 days in advance tends to get you the best fares. Flying midweek and picking a morning departure can shave a bit more off the price.

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When is the Most Expensive Time to Fly to Thailand?

December and January are peak months — dry season in full swing, Christmas holidays, and New Year all drive fares up significantly. Songkran (Thai New Year, mid-April) also creates a short demand spike. If you are travelling during these periods, book early or expect to pay a premium.

Everything you need to know before you book

Thailand Flight Price Guide — Month by Month

  • Low fare months
  • Mild season
  • Peak pricing periods
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  • January
    PricePeak
    CrowdVery High
    Best forPeak dry season — Bangkok, Chiang Mai, and Thailand's beaches
    Avg RT Fare$950
  • February
    PricePeak
    CrowdHigh
    Best forBest weather nationwide — Chiang Mai flower festival
    Avg RT Fare$920
  • March
    PriceMedium
    CrowdMedium
    Best forStill dry, with crowds thinning and fares beginning to ease
    Avg RT Fare$860
  • April
    PriceLow-Med
    CrowdMedium
    Best forSongkran water festival — book early for better fares
    Avg RT Fare$790
  • May
    PriceLow
    CrowdLow
    Best forRainy season starts — one of the cheapest months to visit
    Avg RT Fare$740
  • June
    PriceLow
    CrowdLow
    Best forBudget travel month — excellent value despite wet weather
    Avg RT Fare$720
  • July
    PriceLow-Med
    CrowdLow
    Best forRainy season continues — fares remain relatively low
    Avg RT Fare$750
  • August
    PriceLow
    CrowdLow
    Best forStrong value during the shoulder season
    Avg RT Fare$730
  • September
    PriceLow
    CrowdLow
    Best forCheapest flights to Thailand — low demand and quieter destinations
    Avg RT Fare$700
  • October
    PriceLow
    CrowdLow
    Best forRains ease — great value before the peak season begins
    Avg RT Fare$760
  • November
    PriceMedium
    CrowdMedium
    Best forDry season begins — Loy Krathong festival
    Avg RT Fare$840
  • December
    PricePeak
    CrowdVery High
    Best forChristmas and New Year — highest demand and fares
    Avg RT Fare$1100

Why Fly to Thailand?

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One of the Best Value Destinations in the World

A round-trip flight to Bangkok from New York can cost $700–$1,000. Once you arrive, affordable hotels, inexpensive local food, and low-cost transportation make Thailand one of the best-value long-haul destinations for US travelers.

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Bangkok and Beyond — Two Very Different Trips

Flights to Bangkok put you in one of Asia's most energetic cities, filled with temples, street food, rooftop bars, and lively markets. Flights to Chiang Mai offer a completely different experience with cooler weather, night bazaars, elephant sanctuaries, and mountain trekking.

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Beaches That Actually Deliver

Phuket, Krabi, Koh Samui, and Koh Lanta offer everything from lively resort areas to peaceful coves. Thailand's warm, clear waters are perfect for swimming, snorkeling, and diving, with Koh Tao known for excellent beginner-friendly dive sites.

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Food That Is Hard to Leave Behind

Thai cuisine changes from region to region. Try pad thai in Bangkok, khao soi in Chiang Mai, and fresh seafood along the Andaman coast. Street food is everywhere, affordable, and packed with authentic local flavors.

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History and Culture Without the Crowds

Chiang Mai's Old City is home to hundreds of temples, while Ayutthaya's UNESCO-listed ruins reveal the history of one of Southeast Asia's great ancient cities. Sukhothai offers an even quieter look at Thailand's historic roots.

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The Layover Destinations Are Worth It Too

A connection through Seoul, Singapore, Hong Kong, or Doha can turn into an extra travel experience. Major hubs such as Incheon, Hong Kong, and Doha offer excellent facilities and make convenient stopover destinations on the way to Thailand.

Everything you need to know before you book

Quick Facts - Flights to Thailand from the USA

Everything You Need to Know Before You Book

Cheapest MonthSeptember
avg ~$700 round-trip from USA
Most Expensive MonthDecember and January
Best day to bookTuesday or Wednesday afternoon
Book how far ahead 3-6 months for best fares
Shortest flight (USA)~17-19h
Los Angeles
TBD
Bangkok
1 stop
Most popular destinationBangkok, Chiang Mai, Phuket, Koh Samui, Krabi
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A traveller's guide

Popular Airports in Thailand — A Traveller's Guide

Thailand has three main international gateways. Always confirm which Bangkok airport your flight uses — they are 30km apart.

  • Bangkok Suvarnabhumi International

    Bangkok Suvarnabhumi International

    BKK

    Hub Airlines

    Thai Airways, Bangkok Airways, Korean Air

    Key Feature

    Main international gateway.

  • Bangkok Don Mueang International

    Bangkok Don Mueang International

    DMK

    Hub Airlines

    AirAsia, Nok Air, Thai Lion Air

    Key Feature

    Bangkok's second airport — budget carriers only.

  • Chiang Mai International

    Chiang Mai International

    CNX

    Hub Airlines

    Thai Airways, Bangkok Airways, AirAsia

    Key Feature

    Gateway to northern Thailand.

  • Phuket International

    Phuket International

    HKT

    Hub Airlines

    Thai Airways, AirAsia, Bangkok Airways

    Key Feature

    Primary gateway for Phuket and the Andaman coast..

  • Koh Samui Airport

    Koh Samui Airport

    USM

    Hub Airlines

    Bangkok Airways

    Key Feature

    Private airport operated by Bangkok Airways.

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Airlines Flying to Thailand from the United States

There are no nonstop flights from the US to Thailand. All routes connect via one hub. Korean Air via Seoul and Cathay Pacific via Hong Kong offer the best overall connectivity to Bangkok. Qatar Airways and Turkish Airlines frequently have the lowest fares. Singapore Airlines is the premium choice for those who want a top-tier transit experience en route.

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Korean Air
KEY HUBS
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WHY CHOOSEVia Seoul (ICN) — strong connections to Bangkok (BKK) and Chiang Mai (CNX)

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Dates
Departure – Return

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I booked my international flight through Triwize, and I'm blown away by the service! A big thanks to Priya from their team who was super helpful.

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Amazing deal and smooth booking

This was my first time using Triwize and I was impressed. The site is clean, super easy to use, and I found a great deal flying home for the weekend. Will definitely recommend to friends!

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Frequently Asked Questions

How much do flights to Thailand from New York cost?

Round-trip flights from JFK or EWR to Bangkok (BKK) typically range from $750–$1,050 depending on the season and how far in advance you book. September and October are usually among the cheapest months, while December and January tend to be the most expensive.

What is the cheapest month to fly to Thailand in November?

November fares average around $840 round-trip. It offers decent value as Thailand's dry season returns and crowds have not yet reached peak levels. Book at least 2–3 months ahead for better November fares.

Where can I find the cheapest flights to Thailand in December?

December is one of Thailand's most expensive travel periods, with fares often reaching $1,000–$1,100 round-trip. Book 4–6 months ahead, consider traveling in mid-December rather than Christmas week, and compare connecting options from airlines such as Turkish Airlines and Qatar Airways.

How long is the flight from the US to Thailand?

Total travel time from the US to Bangkok is generally around 18–22 hours with one connection. From Los Angeles (LAX), routes via Seoul or Tokyo can take around 17–19 hours, while New York (JFK) routes via Doha or Dubai typically take around 20–22 hours.

How much do flights to Chiang Mai cost?

Chiang Mai (CNX) generally requires a connection when traveling from the US. Most travelers fly to Bangkok (BKK) first and then take a domestic flight to Chiang Mai, which takes about 1 hour and can add roughly $40–$80 to the total fare.

How do I book flights to Thailand from Houston?

From Houston (IAH), popular options include Qatar Airways via Doha and Emirates via Dubai. Other airlines may require a connection through another major US or international hub. Compare different routings on Triwize to find the best combination of price and travel time.

What is the flight time from SFO to Thailand?

From San Francisco (SFO) to Bangkok, expect around 18–20 hours total with one connection. Korean Air via Seoul and EVA Air via Taipei are popular West Coast routings, offering convenient connections and competitive fares.

Which airlines fly to Thailand from Boston?

There are generally no nonstop flights from Boston (BOS) to Thailand. Turkish Airlines offers a one-stop routing through Istanbul, while Qatar Airways via Doha and Korean Air via Seoul are other common options depending on the itinerary.

What is the round-trip cost of flights to Thailand from Washington DC?

Round-trip fares from Washington DC airports such as IAD or DCA to Bangkok typically range from $800–$1,050. Qatar Airways operates from IAD to Doha with onward connections to Bangkok and can be a competitive option.

Are there direct flights to Thailand from Dallas?

There are generally no nonstop flights from Dallas (DFW) to Thailand. Emirates via Dubai is one convenient one-stop option, while Korean Air and Qatar Airways may require an additional connection depending on the itinerary.

When should I book the cheapest flights to Thailand from Miami?

From Miami (MIA), booking around 3–5 months in advance can help you find better fares. Turkish Airlines via Istanbul is often a competitive one-stop option. September and October are generally among the cheaper months to travel to Thailand.

How do I find cheap flights to Koh Samui from the US?

Koh Samui (USM) has limited international service and is commonly reached through Bangkok (BKK). Compare your US-to-Bangkok flight first, then add the Bangkok-to-Samui domestic segment. The island connection can add roughly $80–$150 to the total trip cost.

Plan your trip to Thailand

Terms and Conditions : Fares are sourced across 500+ airlines and include all taxes, surcharges, and Triwize service fees. Displayed prices are subject to change until ticketed. Tickets are nonrefundable, nontransferable, and subject to airline restrictions; name changes are not permitted. Triwize Coins are earned on qualified bookings, hold no cash value, are non-transferable, and may be modified or discontinued at any time. See full Terms for details.