CA $916 Cheap Flights from Washington (IAD) to Kathmandu (KTM)

You can find one-way and return flights from IAD to KTM with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when IAD to KTM ticket fares go up or down.

September is typically the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.), with average return fares around CA$1906. September often sees lower prices because it falls outside peak travel seasons, when demand drops and airlines offer more competitive fares. August and November are also good months to find deals on this route.

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

To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan 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 cheapest months to fly from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.) are typically September and August, with average return flight prices around CA$1906. While these months offer the best value, you'll want to consider the weather in Kathmandu, as August and September fall within the monsoon season. If you're looking for a balance of good prices and more pleasant weather, you might find that shoulder seasons offer a better overall experience.

There are approximately 53 connecting flights per day from Washington Dulles Intl. (IAD) to Tribhuvan Intl. (KTM). Some common connection points include Heathrow (LHR), Abu Dhabi Intl. (AUH), and Pearson Intl. (YYZ).

The earliest flight from Washington Dulles Intl. (IAD) to Tribhuvan Intl. (KTM) typically departs around 6:00 AM. This service is offered by airlines such as American Airlines and Cathay Pacific. This is a seasonal service, active in August and September. 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 generally find the most flights from Washington Dulles Intl. (IAD) to Tribhuvan Intl. (KTM) on a Sunday, with around 50 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, American Airlines, and Qatar Airways. Sundays offer notably more flight options compared to other days of the week, so if flexibility allows, this could be a good day to consider flying.

The most popular departure times for flights from Washington Dulles Intl. (IAD) to Tribhuvan Intl. (KTM) are in the morning, from 9am to 12pm. Many major carriers, including Qatar Airways, Emirates and United, offer flights during this window. Many travellers prefer these times as they allow for an early start to your journey, getting you to your destination with plenty of time left in the day.

There are no nonstop flights from Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan Intl.). The journey covers a distance of approximately 12,392 kilometres. Flights with one stop typically take around 20 hours. If you opt for flights with two or more stops, your travel time will be longer, usually around 24 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns, so it's always a good idea to allow for some extra time when planning your trip.

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

* Swiss International Air Lines
* Qatar Airways
* Korean Air
* KLM
* Air France
* Iberia
* Lufthansa
* Aer Lingus
* Turkish Airlines
* Republic Airlines
* Emirates
* British Airways
* Mesa Airlines
* Air Canada
* United
* American Airlines
* Virgin Atlantic

It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Kathmandu (KTM-Tribhuvan 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 Kathmandu from Washington Dulles Intl. (IAD), you can fly directly into Tribhuvan Intl. (KTM). Some flights may connect through major hubs like Heathrow (LHR), Frankfurt Intl. (FRA), or Zürich (ZRH) before reaching Kathmandu. 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 Kathmandu (KTM-Tribhuvan 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 Kathmandu (KTM-Tribhuvan 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) to Kathmandu (KTM) 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.