CA $585 Cheap Flights from Washington (IAD) to Bangkok (BKK)

You can find cheap one-way flights from CA $585 and cheap return flights CA $1,232 IAD to BKK with Expedia. Return flights often range between CA$3735 and CA$11459. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when IAD to BKK ticket fares go up or down.

The cheapest months to fly from IAD to BKK are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Enter IAD to BKK and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

Ethiopian Airlines is one of the cheapest airlines offering connecting flights from Washington Dulles Intl. (IAD) to Suvarnabhumi Intl. (BKK), with return tickets starting from around CA$1838 for flights that can be booked for departure within the next year. These flights typically include a layover in Gnassingbe Eyadema Intl. (LFW). Prices are per adult, economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Bangkok (BKK-Suvarnabhumi Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

There are approximately 79 connecting flights per day from Washington Dulles Intl. (IAD) to Suvarnabhumi Intl. (BKK). Some common connection points include Heathrow (LHR), Pearson Intl. (YYZ), and Frankfurt Intl. (FRA).

The earliest flight from Washington Dulles International Airport (IAD) to Suvarnabhumi International Airport (BKK) typically departs around 12:55 AM local time. This flight is operated by EVA Airways. This is a seasonal service, active only in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Washington Dulles Intl. (IAD) to Suvarnabhumi Intl. (BKK) on a Wednesday, with around 72 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Qatar Airways, and Alaska Airlines. Looking at the week, flight options are fairly consistent, with Wednesday offering only slightly more flights than other days.

The most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) are in the morning, from 9am to 12pm. Many major carriers, including Emirates, Qatar Airways and Korean Air, offer flights during this window. Many travelers prefer this because it allows for an early start to their journey, often leading to a daytime arrival at their destination.

There are no nonstop flights from Washington, DC (IAD-Washington Dulles Intl.) to Bangkok (BKK-Suvarnabhumi Intl.). The journey covers a distance of approximately 14,159 kilometres. Flights with one stop typically take around 23 hours 18 minutes. If your flight has two or more stops, your travel time will be longer, usually around 25 hours. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.

You can fly business class or first class between IAD and BKK. Airlines that offer business class service on this route include:

* Qatar Airways
* Korean Air
* KLM
* Emirates
* Alaska Airlines
* PSA Airlines
* British Airways
* Air Canada
* Mesa Airlines
* Swiss International Air Lines
* TAP Portugal
* Etihad Airways
* Brussels Airlines
* Air France
* Iberia
* Lufthansa
* Delta
* Icelandair
* Aer Lingus
* ITA Airways
* SAS
* Virgin Atlantic
* Ethiopian Airlines
* Saudi Arabian Airlines
* Turkish Airlines
* Royal Jordanian
* Republic Airlines
* Air China
* United
* All Nippon Airways
* Austrian Airlines
* EVA Airways
* American Airlines

First class cabins are available on:

* Emirates
* British Airways
* Swiss International Air Lines
* Lufthansa
* United

It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Bangkok from Washington Dulles Intl. (IAD), you can fly directly into Suvarnabhumi Intl. (BKK). Some flights may connect through major hubs like Heathrow (LHR), Zürich (ZRH), or O'Hare Intl. (ORD) before reaching Bangkok. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Washington, DC (IAD-Washington Dulles Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.