Cheap Flights from Denver to Hanoi from $630

Frequently Asked Questions

• What are the cheapest flights from Denver to Hanoi (DEN-HAN)?

  Based on Trip.com data, United Airlines offers one-way fares as low as $630 on Cheapest nonstop routes (e.g. DEN to HAN on Tue, Dec 1), while Turkish Airlines offers Cheapest nonstop round-trips from $1,525 departing on Sun, Nov 1 and returning on Sun, Nov 8.

• Which airlines offer direct flights from Denver to Hanoi?

  At the moment, you can catch a nonstop flight from Denver to Hanoi with the following airlines, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Denver to Hanoi?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Denver to Hanoi is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Denver to Hanoi?

  To find best deals on flights from Denver to Hanoi, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Dec 1, with one-way flights priced at just $630.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Hanoi travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Denver (DEN) to Hanoi (HAN) the cheapest?

  The cheapest months to fly from Denver to Hanoi is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Denver to Hanoi on?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Denver to Hanoi on October 23, 2026 with All Nippon Airways, with prices starting at $1,192.

• Which airports can I fly into Hanoi from Denver?

  You can arrive at any of the following airports in Hanoi: Noi Bai International Airport (HAN). Flights from Denver International Airport to Noi Bai International Airport (DEN-HAN) are by far the most popular option for this route.

• Is there any time difference between Denver and Hanoi?

  The time difference between Hanoi and Denver is 14h.

• How do I change or cancel my ticket from Denver to Hanoi?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Denver to Hanoi?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Denver to Hanoi is $1,288. Fares vary by travel date, airline and availability.

• How do I book flights from Denver to Hanoi on Trip.com?

  Enter Denver and Hanoi, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.