Cheap flights from Washington, D.C. Dulles Intl Airport to Hanoi from $427
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Hanoi departing on 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Hanoi
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Hanoi?
What is the cheapest month to fly to Hanoi?
The cheapest month to fly to Hanoi from Washington, D.C. Dulles Intl Airport is in November. Flight prices, which tend to average around $1,114, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in November, then September is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to Hanoi during September average around $1,288.
What is the cheapest day to depart on your flight to Hanoi?
According to our data, Thursday is the cheapest day to fly to Hanoi from Washington, D.C. Dulles Intl Airport. The lowest ticket price found for a Thursday departure recently was $1,306. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Hanoi on Monday is $1,479.
What is the cheapest time of day to depart on your flight to Hanoi?
Our most recent data shows that the best time of day to fly to Hanoi is in the evening. Flights from Washington, D.C. Dulles Intl Airport to Hanoi during this time can be as low as $1,312. Try not to purchase tickets in the morning because they tend to be around $1,407. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Hanoi?
You are more likely to see cheaper flights to Hanoi from Washington, D.C. Dulles Intl Airport when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $1,477 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Washington, D.C. Dulles Intl Airport for as low as $933 on momondo.
Can stopping save me money on Washington, D.C. Dulles Intl Airport to Hanoi flights?
You could potentially save up to 25% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Hanoi flight.
How have Washington, D.C. Dulles Intl Airport to Hanoi flight prices changed over time?
As of June 2025, prices for Washington, D.C. Dulles Intl Airport to Hanoi flights are approximately 13% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Hanoi Noibai?
Korean Air, United Airlines, and American Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Hanoi Noibai
What airlines fly to Hanoi?
Qatar Airways, Turkish Airlines and Korean Air are the top three most popular airlines that fly to Hanoi from Washington, D.C. Dulles Intl Airport according to our data. Qatar Airways is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Hanoi. Keep in mind that there are 3 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.
When to book flights from Washington, D.C. Dulles Intl Airport to Hanoi
Cheap Washington, D.C. Dulles Intl Airport to Hanoi (IAD to HAN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Hanoi
How far is Washington, D.C. Dulles Intl to Hanoi Noibai by plane?
The distance between Washington, D.C. Dulles Intl and Hanoi Noibai is about 8282.5 mi. By plane, this route typically takes 21h 05m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Hanoi Noibai Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Hanoi Noibai Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Hanoi Noibai Airport?
As of June 2025, there are 3 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Hanoi Noibai Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Hanoi Noibai Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Hanoi Noibai Airport.
What documentation or ID do you need to fly to Hanoi Noibai Airport?
The required travel and health documents for your Hanoi Noibai Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Hanoi Noibai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Hanoi?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Dulles Intl Airport to Hanoi is Qatar Airways, representing 41% of all bookings. The subsequent popular airlines are Turkish Airlines at 34% and Korean Air at 24%.
Best airlines flying from Washington, D.C. Dulles Intl Airport to Hanoi
Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Hanoi with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $938 | Free Cancellation | Rating 7.3 3,852 reviews | |||
| PriceFrom $1,191 | Free Cancellation | Rating 7.4 3,585 reviews | |||
| PriceFrom $1,271 | Free Cancellation | Rating 8.4 1,090 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Hanoi?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Hanoi. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Washington, D.C. to Hanoi with flexible booking policies on momondo?
momondo does allow users to show only those flights to Hanoi from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Washington, D.C. to Hanoi?
Once all potential Washington, D.C. to Hanoi flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Washington, D.C. to Hanoi right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Hanoi from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.