Airlines Offering Direct Flights from Seattle (SEA) to Hanoi (HAN)

Searching for airlines offering direct flights from Hartsfield-Jackson Seattle International Airport (SEA) to Noi Bai International Airport (HAN)? Here’s a quick overview of carriers connecting SEA and HAN directly.

 

No direct flights available.

Flying from Seattle (SEA) to Hanoi (HAN)

Here’s what you need to know before you go.

Cheapest flight ticket available

$331*

Average flight duration

17 hrs and 45 mins

Most popular airline

China Airlines

Number of flights per week

N/A

*Airfare prices subject to change.

When to Fly from Seattle (SEA) to Hanoi (HAN)

We’re constantly monitoring ticket prices, making it easy for you to find the best deals quickly. For SEA to HAN flights, September, October, and November currently offer the lowest fares.

 

September to November align with the end of Vietnam’s rainy season and the beginning of the dry season when airlines typically reduce prices to attract travelers. This period also falls between the summer tourism rush and the peak winter season, resulting in more competitive pricing and better availability.

 

December is typically the most expensive month for this route, driven by high demand during the peak tourist season and holiday period. Vietnam’s cool, dry season and optimal weather conditions coincide, making it particularly attractive for visitors from the Seattle area despite the premium prices.

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Cheapest months to fly

September to November

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Most Expensive Months to Fly

December

Alternative Routes Aside from Seattle (SEA) to Hanoi (HAN)

Considering other options to get from SEA to New Delhi? Compare routes that may provide cheaper, faster, or easier services for flights from SEA to Delhi below.

Hindon Airport , situated in Ghaziabad, about 30 km from New Delhi, opened for commercial operations in 2019 as a reliever airport for Indira Gandhi International Airport. It features a modern terminal that accommodates around 300 passengers during peak hours and offers basic amenities like restaurants and duty-free shops. While Indira Gandhi International Airport handles over 950 flights daily, Hindon serves as an alternative entry point for travelers to East Delhi, Ghaziabad, and Noida.

*Airfare prices subject to change.

Frequently Asked Questions

The cheapest flight from Seattle to Hanoi can be found for as low as $331, based on recent search results. Sign up for OneAir for exclusive deals on such routes, including business and first-class travel options.

The best flight deals from Seattle to Hanoi are usually found during the shoulder season, from September to November.

There are currently no direct or nonstop flights from Seattle to Hanoi. One stopover with a connection at an intermediate hub is required.

Budget-friendly options for flights to Hanoi are Singapore Airlines, ANA, American Airlines, and Asiana Airlines when connecting through their Asia hubs. Sign up forOneAir to compare flight prices between different airlines and never overpay for travel again.

The average flight time from Seattle to Hanoi is 17 hours and 45 minutes. 

Popular hubs for Seattle to Hanoi flights are Taipei (TPE), Hong Kong (HKG), Beijing (PEK), Seoul (ICN), Tokyo (NRT), and Shanghai (PVG). The most affordable months are typically April, May, and September. Booking 3 to 4 months in advance often yields better prices.

Roundtrip flights from SEA to Hanoi range from $700 to $1,500. The cheapest roundtrip ticker to Hanoi from SEA can be found for as low as $701 based on recent search results.

U.S. passport holders must obtain a visa to enter Vietnam. As of August 15, 2023, Vietnam offers e-visas valid for multiple entries, allowing stays of up to 90 days.

All international flights arrive at Noi Bai International Airport (HAN) in Hanoi, the main international gateway to northern Vietnam.

From Noi Bai Airport, you can take airport taxis, Grab (a ride-hailing app similar to Uber), private car services, or the Airport Bus (Bus 86) to the city center. Travel time is around 30 to 45 minutes, depending on traffic.

How to find cheap flights from Seattle to Hanoi

Looking for cheap flights from SEA to Hanoi? OneAir makes it easy to discover incredible flight deals to destinations around the world. Follow these simple steps to start saving on your next trip:

  • Set your departure airports on OneAir. Choose your preferred departure airport like Seattle, and we’ll search for the cheapest flights to those cities. OneAir offers deals from over 50 major US airports, so you can find the most convenient and affordable options. 
  • Be flexible with your travel dates. If your schedule allows, use our “Explore” or “Add Destinations” feature to find the most affordable days to fly from Seattle. Shifting your dates by just a day or two can often result in significant savings.
  • Turn on your notifications. We’ll notify you via email or push notification whenever the price for your selected route is at its lowest. This way, you’ll never miss a deal.
  • Compare flight options from multiple providers. Choose the cheapest, fastest, or most convenient flights from Seattle based on your priorities.
  • Filter for direct flights. If you prefer nonstop service from Seattle, simply tick the “Nonstop” box when searching. We’ll show you all available nonstop routes, so you can avoid lengthy layovers.
  • Get the best unpublished deals. Dreaming of a luxurious journey? We also find the best deals on Premium Economy, Business, and First Class fares. Compare prices across all cabin classes – you might be surprised by an affordable premium seat.
  • Expand your search to nearby airports. Unlock even more deals by searching for flights from Seattle or other nearby airports. This will show you flight prices from alternative departure airports close to your origin city.
  • Book a complete travel package. Once you’ve found your perfect flight, why not add a hotel room? OneAir also offers exclusive hotel deals so you can save even more on your entire trip.
  • Discover New Destinations with the “Explore” Tab. Not set on your destination? Use our “Explore” feature to find the cheapest flights from your city to anywhere in the world. You might just discover your next dream vacation spot!