$550 Cheap Flights from Washington (IAD) to Trat (TDX)

View $550 flight on Wed, Feb 11, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Trat (TDX)

Cheap Flights from Washington to Trat (IAD-TDX)

Prices were available within the past 7 days and start at $550 for one-way flights and $1,223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Wed, Feb 11 - Sun, Feb 15
IAD
Washington
TDX
Trat
$1,223 Roundtrip, found 11 hours ago
$1,223
Roundtrip
found 11 hours ago
Select Qatar Airways flight, departing Wed, Feb 11 from Washington to Trat, returning Sun, Feb 15, priced at $1,223 found 11 hours ago
Qatar Airways
Wed, Nov 12 - Sun, Nov 16
IAD
Washington
TDX
Trat
$1,229 Roundtrip, found 4 days ago
$1,229
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Wed, Nov 12 from Washington to Trat, returning Sun, Nov 16, priced at $1,229 found 4 days ago
Qatar Airways
Wed, Feb 11 - Sun, Feb 15
IAD
Washington
TDX
Trat
$1,234 Roundtrip, found 11 hours ago
$1,234
Roundtrip
found 11 hours ago
Select Qatar Airways flight, departing Wed, Feb 11 from Washington to Trat, returning Sun, Feb 15, priced at $1,234 found 11 hours ago
Qatar Airways
Wed, Feb 11 - Sun, Feb 15
IAD
Washington
TDX
Trat
$1,236 Roundtrip, found 11 hours ago
$1,236
Roundtrip
found 11 hours ago
Select Qatar Airways flight, departing Wed, Feb 11 from Washington to Trat, returning Sun, Feb 15, priced at $1,236 found 11 hours ago
Qatar Airways
Wed, Feb 11 - Sun, Feb 15
IAD
Washington
TDX
Trat
$1,238 Roundtrip, found 11 hours ago
$1,238
Roundtrip
found 11 hours ago
Select Qatar Airways flight, departing Wed, Feb 11 from Washington to Trat, returning Sun, Feb 15, priced at $1,238 found 11 hours ago
Qatar Airways
Wed, Feb 11 - Sun, Feb 15
IAD
Washington
TDX
Trat
$1,239 Roundtrip, found 11 hours ago
$1,239
Roundtrip
found 11 hours ago
Select Qatar Airways flight, departing Wed, Feb 11 from Washington to Trat, returning Sun, Feb 15, priced at $1,239 found 11 hours ago
Qatar Airways
Wed, Nov 12 - Sun, Nov 16
IAD
Washington
TDX
Trat
$1,240 Roundtrip, found 4 days ago
$1,240
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Wed, Nov 12 from Washington to Trat, returning Sun, Nov 16, priced at $1,240 found 4 days ago
Qatar Airways
Wed, Nov 12 - Sun, Nov 16
IAD
Washington
TDX
Trat
$1,245 Roundtrip, found 4 days ago
$1,245
Roundtrip
found 4 days ago
Select Qatar Airways flight, departing Wed, Nov 12 from Washington to Trat, returning Sun, Nov 16, priced at $1,245 found 4 days ago
Qatar Airways
Wed, Feb 11 - Sun, Feb 15
IAD
Washington
TDX
Trat
$1,250 Roundtrip, found 11 hours ago
$1,250
Roundtrip
found 11 hours ago
Select Qatar Airways flight, departing Wed, Feb 11 from Washington to Trat, returning Sun, Feb 15, priced at $1,250 found 11 hours ago
Etihad Airways
Wed, Feb 11 - Sun, Feb 15
IAD
Washington
TDX
Trat
$1,376 Roundtrip, found 11 hours ago
$1,376
Roundtrip
found 11 hours ago
Select Etihad Airways flight, departing Wed, Feb 11 from Washington to Trat, returning Sun, Feb 15, priced at $1,376 found 11 hours ago

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Trat Airport (TDX) cost?
Secure a cheap one-way flight from $550 or cheap return flight from $1,223 from Washington Dulles Intl. Airport (IAD) to Trat Airport (TDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Trat Airport (TDX)?
Traveling in February may help you find better deals, as it's the cheapest month for flights between IAD and TDX. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Trat Airport (TDX)?
To find the cheapest airline that'll fly you from IAD to TDX, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Trat Airport (TDX)?
There are no daily nonstop flights from Washington Dulles Intl. Airport (IAD) to Trat Airport (TDX). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from IAD to TDX?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Trat Airport (TDX)?
To reach Trat Airport (TDX) on schedule, opt for a flight that leaves from Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Trat Airport (TDX) last-minute?
Last-minute fares from IAD to TDX are usually more expensive. To lock in the best rates, start looking for flights well ahead of time. That said, if you can play around with your travel dates, you may land a cheap fare right before you leave.
Is it cheaper to book an IAD to TDX flight and hotel package?
You can save money by securing an IAD to TDX flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your preferred accommodations and flights, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Trat Airport (TDX)?
In most cases, you're able to cancel or reschedule your IAD to TDX flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need further information, go to our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Trat
Airlines serving
Etihad Airways, Qatar Airways
Roundtrip price
$1,222
Distance
8896 mi

Book with confidence

Washington to Trat Flights

The cheapest times to fly from Washington to Trat

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Trat are during the month of February. You can find some of the cheapest flights from Washington to Trat with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Trat

Sunday is one of the best days to book for cheap flights from Washington to Trat: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Trat

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Trat in 2025. You can also book with separate airlines for your outbound and return journeys, from $550 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Trat flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Trat airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Trat Flights

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*Available to One Key members.