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Cheap Flights from Washington to Thailand
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1 Passenger
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Passengers
Adults 18+
Children 2-11
Infants under 2
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First Class
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Average price per month
- Low Season: January
- High Season: September
- Prices for this route are volatile and fluctuate from month to month.
- The cheapest flights are usually bought in January, March and February.
- High season months are July, April and September. However, it's not the rule and you should always search current flight deals.
- For example, the flight from Washington to Thailand is currently 40% cheaper than average.
Price increase as travel date approaches
- Flight prices for this route increase by 29% if you book last minute. Hover on the graph above to see for yourself!.
- To grab the lowest price possible, you should buy your flight around 64 days before departure!
- Consider booking at least 24 days before departure to increase your chances of getting a low price.
- Generally, it's safe to book between 90 and 60 days in advance.
Washington to Thailand Flight Information
| Flights Depart From | Washington (SEA) |
| Flights Arriving To | Thailand (BKK) |
| Distance | 11990.71 km |
| Current Discount | 40 % |
| Average Price | $1347.09 |
| Good Deal | $660.98 |
| Cheapest Airlines | Singapore Airlines, Philippine Airlines (PAL), Asiana Airlines, ANA (All Nippon Airways), Starlux Airlines, United Airlines |
| Popular Airlines | Singapore Airlines, ANA (All Nippon Airways), Asiana Airlines, Philippine Airlines (PAL), United Airlines, Starlux Airlines |
| Flight Duration | 15 hours 22 minutes |
| Flights Depart From |
| Washington (SEA) |
| Flights Arrive In |
| Thailand (BKK) |
| Distance |
| 11990.71 km |
| Flight Duration |
| 15 hours 22 minutes |
| Current Discount |
| 40 % |
| Average Price |
| $1347.09 |
| Good Deal |
| $660.98 |
| Cheapest Airlines |
| Singapore Airlines, Philippine Airlines (PAL), Asiana Airlines, ANA (All Nippon Airways), Starlux Airlines, United Airlines |
| Popular Airlines |
| Singapore Airlines, ANA (All Nippon Airways), Asiana Airlines, Philippine Airlines (PAL), United Airlines, Starlux Airlines |
Most Reliable Airlines flying to Thailand
- According to our data, Singapore Airlines, ANA (All Nippon Airways) and Asiana Airlines have the highest overall rating.
- The following airlines have the highest chance of on time arrivals: ANA (All Nippon Airways), Singapore Airlines and United Airlines.
- If customer service is important for you then you should consider flying with ANA (All Nippon Airways), Singapore Airlines and Asiana Airlines.
| Airline | Overall Rating | On time arrival | Check-in & Boarding | Cleanliness | Customer Service | Food & Beverage | Entertainment | Legroom | Seat Comfort |
|---|---|---|---|---|---|---|---|---|---|
Singapore Airlines |
4.3 | 4.5 | 4.5 | 4.5 | 4.5 | 4.0 | 4.5 | 4.0 | 4.0 |
ANA (All Nippon Airways) |
4.2 | 4.5 | 4.5 | 4.5 | 4.5 | 4.0 | 4.0 | 4.0 | 4.0 |
Asiana Airlines |
3.9 | 3.5 | 4.0 | 4.0 | 4.0 | 4.0 | 3.5 | 4.0 | 4.0 |
Philippine Airlines (PAL) |
3.4 | 3.5 | 3.5 | 4.0 | 3.5 | 3.5 | 2.5 | 3.5 | 3.5 |
United Airlines |
3.3 | 4.0 | 3.5 | 3.5 | 3.5 | 3.0 | 3.0 | 3.0 | 3.0 |
Starlux Airlines |
2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
Overall Rating
4.5
On time arrival
4.5
Check-in & Boarding
4.5
Cleanliness
4.5
Customer Service
4.5
Food & Beverage
4.0
Entertainment
4.5
Legroom
4.0
Seat Comfort
4.0
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.5
Cleanliness
4.5
Customer Service
4.5
Food & Beverage
4.0
Entertainment
4.0
Legroom
4.0
Seat Comfort
4.0
Overall Rating
4.0
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
4.0
Entertainment
3.5
Legroom
4.0
Seat Comfort
4.0
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
3.5
Cleanliness
4.0
Customer Service
3.5
Food & Beverage
3.5
Entertainment
2.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.0
Seat Comfort
3.0
Overall Rating
2.5
On time arrival
2.5
Check-in & Boarding
2.5
Cleanliness
2.5
Customer Service
2.5
Food & Beverage
2.5
Entertainment
2.5
Legroom
2.5
Seat Comfort
2.5
Good to know:
Enter your preferred departure airport and travel dates into the search form above to unlock the latest Thailand flight deals.
Track the flight prices from Washington to Thailand by subscribing to Fare Alerts to never miss the best deals possible.
Did you know that you could find even better deals when you use our Mobile App?. How to get the cheapest flight to Thailand?
Currently there is a 40% discount on flights to Thailand. This price won't stay too long and you should consider buying now.
Awesome Deals
notifications_active In the past few days the following airlines offered the lowest prices from Washington to Thailand: Singapore Airlines, Philippine Airlines (PAL), Asiana Airlines, ANA (All Nippon Airways), Starlux Airlines and United Airlines..
Singapore AirlinesFri, 17 Oct SEA BKK
Sat, 01 Nov BKK SEA Trip duration: 15 days$627.01
Philippine Airlines (PAL)Sat, 14 Feb SEA BKK
Mon, 23 Feb BKK SEA Trip duration: 9 days$671.95
Philippine Airlines (PAL)Sun, 01 Feb SEA BKK
Sun, 08 Mar BKK SEA Trip duration: 35 days$683.97
Asiana AirlinesFri, 14 Nov SEA BKK
Thu, 20 Nov BKK SEA Trip duration: 6 days$703.97
Singapore AirlinesSun, 17 Aug SEA BKK
Mon, 24 Nov BKK SEA Trip duration: 100 days$740.91
ANA (All Nippon Airways)Thu, 17 Jul SEA BKK
Sun, 17 Aug BKK SEA Trip duration: 31 days$800.97
Starlux AirlinesSat, 14 Feb SEA BKK
Mon, 23 Feb BKK SEA Trip duration: 9 days$826.95
United AirlinesMon, 07 Jul SEA BKK
Fri, 11 Jul BKK SEA Trip duration: 4 days$835.11
Asiana AirlinesWed, 06 Aug SEA BKK
Wed, 06 Aug BKK SEA Trip duration: 0 days$875.97
Asiana AirlinesThu, 03 Jul SEA BKK
Sun, 13 Jul BKK SEA Trip duration: 10 days$941.97
United AirlinesTue, 01 Jul SEA BKK
Sun, 13 Jul BKK SEA Trip duration: 12 days$947.21
Philippine Airlines (PAL)Tue, 09 Sep SEA BKK
Tue, 23 Sep BKK SEA Trip duration: 14 days$696.09
ANA (All Nippon Airways)Sat, 05 Jul SEA BKK
Sat, 19 Jul BKK SEA Trip duration: 14 days$1008.97
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Frequently Asked Questions
- How long is a direct flight from Washington to Thailand?A direct flight from Washington to Thailand takes roughly 15 hours 22 minutes.
- Which airlines offer cheap airfare from Washington to Thailand?That may change at any time. But in the past 14 days, the cheapest tickets we've found were with Singapore Airlines, Philippine Airlines (PAL), Asiana Airlines, ANA (All Nippon Airways), Starlux Airlines and United Airlines.
- Do I need my passport to fly from Washington to Thailand?Yes, you most certainly do.
- Which airlines fly from Washington to Thailand most often?Singapore Airlines, ANA (All Nippon Airways), Asiana Airlines, Philippine Airlines (PAL), United Airlines and Starlux Airlines are the top.
- Which airport will I be flying from in Washington?When departing from Washington you'll be flying out of Seattle-Tacoma International.
- Which airport will I be flying from in Thailand?When departing from Thailand you'll be flying out of Suvarnabhumi International.
- How is Justfly.com so good at finding cheap flights?We've taken an oath of secrecy and vowed never to say. Just kidding. Our team and technology allows us to browse through hundreds of airlines and hundreds of thousands of flights to find the lowest prices. Then we pass the savings on to you.
- Can Justfly.com help me save money in any other way?We're glad you asked. We help you save money with our Fare Alerts, Price Trend charts and multi-ticket bookings. We also help you save on hotels and car rentals.
- How many airlines does Justfly.com search to find affordable flights?We typically search over 400 airlines.
- Can Justfly.com's Price Trend tool really tell me the best time to buy tickets?Absolutely! That's why we've made it accessible to you.
- Will the price of my flight change?Flight prices and availability change often. To counter this, we update the important data as often as possible every step of the way.
- How will I receive my booking confirmation and travel information?We'll send you an email with the important details!
- Can you cancel or change Justfly.com flights?You sure can. But give us a call first. We'll do our best to find a solution. However, in some cases, if we cancel your booking, we'll have to charge an administrative fee of $75 (domestic), $125 (trans-border between Canada and USA) and $200 (international).
- Are Justfly.com's tickets refundable?All bookings are currently non-refundable.
- How do I contact Justfly.com?To find answers to all of your questions, click here to visit our support page.