Cheap Flights from Denver International to Hanoi

Compare Denver International to Hanoi flight deals

Find the cheapest month or even day of the year to fly to Hanoi

Book the best Hanoi fare with no extra fees

Flight deals from Denver International to Hanoi

Looking for a cheap last-minute deal or the best return flight from Denver International to Hanoi? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to Hanoi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Hanoi flights are currently cheapest in September.

Denver International to Hanoi: Alternative routes

Compare routes from Denver International to Hanoi below. You may find an airport to fly into that's cheaper, faster, or easier than Hanoi.

Denver to Hanoi: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 1,408
Cheapest month to flySeptember

Finding cheap flights from Denver International to Hanoi: Frequently asked questions

The best price we found for a return flight from Denver International to Hanoi is ر.ق.‏ 3,031. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Denver International to Hanoi. But we found flights with one or more stops from ر.ق.‏ 3,031.
As of September 2025, there are no flights flying from Denver International to Hanoi.
The cheapest month to fly from Denver International to Hanoi is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Hanoi Airport on Wednesday, 5 November 2025.
No airlines currently offer direct flights between Denver International Airport and Hanoi Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Hanoi but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Hanoi is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Hanoi.

Travelling from Denver International Airport (DEN) to Noi Bai International Airport (HAN): what you need to know

  • The timezone in Hanoi is UTC+7, which is 13 hours ahead of Denver.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Show up at the airport on time to catch your DEN to HAN flight.

  • Be prepared for longer queues during popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a wise move.

  • Consider adding a stopover when booking your ticket from Denver International Airport to Noi Bai International Airport. Simply deselect 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Check out these options between DEN and HAN:

    • Narita International Airport

    • London Heathrow Airport

    • Frankfurt Airport

How to find the cheapest flights from Denver International Airport (DEN) to Noi Bai International Airport (HAN)

  • The lowest price we've found for a one-way Denver International Airport to Noi Bai International Airport flight is ر.ق.‏ 1,408. A round-trip plane ticket right now is ر.ق.‏ 3,031. Depending on the availability when you book, these fares can change.

  • Don't leave everything to the last moment. You're more likely to find cheap tickets from DEN to HAN if you book ahead. Airlines often have some excellent early bird discounts.

  • If you can be flexible with your travel plans, try using the 'Whole month' tool. It'll find the lowest price across every month when searching for a flight from Denver International Airport to Noi Bai International Airport.

  • You won't have to check every day to see if fares have dropped when you create a Price Alert. We'll send you an update as soon as there's a better deal on cheap flights from DEN to HAN.

  • Select your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Denver International Airport to Noi Bai International Airport.

Handy information about Denver International Airport (DEN)

  • DEN's address is 8500 Pena Boulevard.

  • Denver International Airport scores high marks for its on-time performance. 80.23% of flights that depart DEN land on time.

  • Central Denver to Denver International Airport is around 40 kilometres. Depending on traffic, it'll take about 35 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Planning to take public transport? You can expect a journey time of around 1 hour 30 minutes.

  • Get your flight from Denver International Airport to Noi Bai International Airport off to a hassle-free start. Just a short drive from DEN, book a night at Baymont by Wyndham Denver International Airport and you'll be well-rested for the journey ahead.

Arriving at Noi Bai International Airport (HAN)

  • The last thing you want is a lengthy trip to your hotel if you're arriving on a late Denver International Airport to Noi Bai International Airport flight. Check in to one of these accommodation options near HAN instead:

  • Drive into your next adventure with a Noi Bai International Airport rental car. Book your wheels from Dichung Car Hire to explore parts of Hanoi that don't always get the spotlight.

  • Reserve your vehicle from Noi Bai International Airport several weeks before your departure date to get the best possible rate. If you're travelling during a busy period, it's a smart idea to book even earlier.

Getting from Noi Bai International Airport (HAN) to central Hanoi

  • Noi Bai International Airport to the centre of Hanoi has a drive time of about 35 minutes. It's approximately 26 kilometres away.

  • Travelling to the centre on public transport will take you roughly 1 hour 55 minutes.

When to fly to Noi Bai International Airport (HAN)

  • July is the busiest month for flights from Denver International Airport to Noi Bai International Airport. For smaller crowds, head to Hanoi in April.

  • The warmest month in Hanoi is June, with temperatures ranging between 25ºC and 36ºC. Book your flights from Denver International Airport to Noi Bai International Airport in this month if this is the type of weather you enjoy.

  • If you like cooler conditions, look for a cheap ticket from DEN to HAN in January. Average temperatures are between 10ºC and 22ºC then.

Explore more of Vietnam

  • You've seen Hanoi, now it's time to explore other corners of Vietnam. Journey around 48 kilometres north-west to Việt Trì to check off its top attractions. From Vườn Lan Hiền Vũ to Nhà Vườn Tiến An and Vườn lan Ngọc Tân, there's plenty to keep you on the go.

  • If you're interested in discovering another major destination in Vietnam, consider Móng Cái, roughly 225 kilometres east of Hanoi. Tra Co beach, Moncay Catholic Church and Chimsu Chill on the beach are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.