Cheap Flights from Washington, D.C. to Red River Delta from $849 Roundtrip

Flight deals from Washington, D.C. to Red River Delta

Looking for cheap flights from Washington, D.C. to Red River Delta, or a last-minute trip? Find the lowest prices on one-way and round-trip flights right here.

Hanoi.$849 per passenger.Departing Thu, Apr 2, returning Tue, Apr 14.Round-trip flight with Korean Air.Outbound indirect flight with Korean Air, departing from Washington Dulles on Thu, Apr 2, arriving in Hanoi.Inbound indirect flight with Korean Air, departing from Hanoi on Tue, Apr 14, arriving in Washington Dulles.Price includes taxes and charges.From $849, select.

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Flying from Washington, D.C. to Red River Delta

Arm yourself with these facts on the fly.

Cheapest flight found	$849
Cheapest month to fly	April
Cheapest airport to fly from	Washington Dulles

How to find cheap flights from Washington, D.C. to Red River Delta

We've compared the best online travel agents and flight providers on the Internet to find the cheapest plane tickets from Washington, D.C. to Red River Delta. Other savvy travelers recently found round-trip flights from $849 and one-way tickets from $387. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Washington Dulles into Hanoi

At the moment, the lowest-priced flight tickets to Red River Delta are from Washington Dulles Airport to Hanoi Airport.

Fly in April

We crunched the flight calendar and found the cheapest time to fly from Washington, D.C. to Red River Delta is currently April.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Washington, D.C. to anywhere you choose in Red River Delta.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Washington, D.C. to Red River Delta go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the Red River Delta to Red River Delta flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Washington, D.C. to Red River Delta flight price?

We looked at all of the upcoming round-trip flights from Washington, D.C. to Red River Delta we could find over the next 12 months. It looks like $849 is the best price. This is good, compared to the average Red River Delta ticket price of $849.

What is the cheapest month to fly from Washington, D.C. to Red River Delta?

The cheapest month to fly from Washington, D.C. to Red River Delta is currently April.

On which upcoming date is it cheapest to fly from Washington, D.C. to Red River Delta?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington, D.C. to Red River Delta on Thursday, April 2, 2026.

Are there any direct flights from Washington, D.C. to Red River Delta?

Currently, there aren't any direct flights from Washington, D.C. to Red River Delta, but you can still fly with a stopover.

If I'm flying from Washington, D.C., where in Red River Delta is cheapest to fly to?

If you're flying from Washington, D.C., the cheapest city in Red River Delta to fly into is Hanoi. The cheapest airport serving Hanoi at the moment is Hanoi.