Cheap flights from Seattle (SEA) to Hanoi (HAN)

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The best prices from Seattle/Tacoma Intl to Hanoi Noibai are usually found in August or April, booked 55 days in advance, depart on a Saturday or Friday and return on a Thursday

How to find the cheapest flight from
Seattle (SEA) to Hanoi (HAN)

All the information you need to plan the best SEA to HAN flight in 2022: compare Seattle to Hanoi flight prices with the expected peak season, weather and rainfall in Hanoi.
SEA - HAN
Price
$606 - $1,265
HAN
Temperature
62.6 - 84.2 °F
HAN
Rainfall
0.6 - 11.7 inches

Popular in

December

High demand for flights, 38% potential price rise

Cheapest in

August

Best time to find cheap flights, 23% potential price drop

Round-trip from

$606

From Seattle/Tacoma Intl to Hanoi Noibai

One-way from

$543

One-way flight from Seattle/Tacoma Intl to Hanoi Noibai

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Seattle to Hanoi (SEA - HAN)?

Unlike at noon, when flights are generally more expensive, you can save up to 31% on flights from Seattle to Hanoi by exploring options for tickets in the evening.

How far in advance should I book a flight from Seattle to Hanoi?

To save on the cost of your flight from Seattle to Hanoi, book at least 54 days before your planned departure. Booking around this time can save you about 2% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $751 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $757.

What is the cheapest day to fly round-trip from Seattle to Hanoi?

Tuesday flights are generally found to be more expensive for flights from Seattle to Hanoi. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Hanoi.

What is the cheapest month to fly from Seattle to Hanoi?

August can be a great time to fly to Hanoi from Seattle with a flight ticket averaging about $787. Cheapflights users have found deals in the month of August for as cheap as $517. The most expensive prices can be found in the month of December.

Cheap flights from Seattle to Hanoi in May, June 2022

The best prices found for SEA to HAN flights for May, June
15 Jun - 12 Sep
$1,187pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
HAN
Hanoi Noibai
HAN
Hanoi Noibai
Japan Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
15 Jun - 12 Sep
$1,236pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
HAN
Hanoi Noibai
HAN
Hanoi Noibai
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
7 Jun - 22 Jun
$1,340pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
HAN
Hanoi Noibai
HAN
Hanoi Noibai
ANA
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Hanoi 2022 flight deals

Cheap flights to Hanoi from Seattle found for this year
13 Oct - 15 Nov
$790pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
 
1 STOP
HAN
Hanoi Noibai
HAN
Hanoi Noibai
Singapore Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
18 Oct - 21 Oct
$791pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
 
1 STOP
HAN
Hanoi Noibai
HAN
Hanoi Noibai
Singapore Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
20 Nov - 18 Dec
$804pp
SEA
Seattle/Tacoma Intl
Japan Airlines
   
2 STOPS
HAN
Hanoi Noibai
HAN
Hanoi Noibai
Japan Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Hanoi

Late deals on round-trip flights to Hanoi from Seattle, departing today and this week
1 Jun - 15 Jun
$1,530pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
HAN
Hanoi Noibai
HAN
Hanoi Noibai
ANA
 
1 STOP
SEA
Seattle/Tacoma Intl
1 Jun - 15 Jun
$1,655pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
HAN
Hanoi Noibai
HAN
Hanoi Noibai
ANA
 
1 STOP
SEA
Seattle/Tacoma Intl
5 Jun - 25 Jun
$1,758pp
SEA
Seattle/Tacoma Intl
ANA
 
1 STOP
HAN
Hanoi Noibai
HAN
Hanoi Noibai
ANA
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Noibai from Seattle

The cheapest one-way flights from Seattle to Hanoi
9:30 am - 5:50 pm
Japan Airlines
1 Stop
18h 20m
SEA - HAN
Japan Airlines
$543
Travelgenio
1:45 pm - 11:20 am
Turkish Airlines
1 Stop
31h 35m
SEA - HAN
Turkish Airlines
2:00 am - 5:50 pm
American Airlines
2 Stops
25h 50m
SEA - HAN
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Hanoi</span> flights.

Flight FAQs

From Seattle to Hanoi

Which airlines flying from Seattle/Tacoma Intl to Hanoi Noibai have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Cathay Pacific, Japan Airlines, and Singapore Airlines flying from Seattle/Tacoma Intl to Hanoi Noibai have implemented new flexible cancellation policies.

Can I find flights from Seattle to Hanoi for under $800 on Cheapflights?

Yes, there are multiple flights from Seattle to Hanoi for under $800. The cheapest flight booked recently is on Singapore Airlines for just $790, but on average you can expect to pay $822.

Are there last-minute flights available from Seattle to Hanoi for under $1,600?

There are currently 20+ open flights from Seattle to Hanoi within the next 7 days for less than $1,600.

How popular is this Seattle to Hanoi flight route?

Within the past month, 15 users have taken a look at flights from Seattle/Tacoma Intl to Hanoi Noibai.

What are the cheapest airlines flying from Seattle to Hanoi round-trip?

Our cheapest airline available from Seattle to Hanoi is Singapore Airlines. Our recent data shows that you can find tickets from as low as $790 on this airline. Additional options worth looking into are Japan Airlines and American Airlines, starting at $804 and $841 round-trip.

What are the cheapest airlines to fly from Seattle to Hanoi one-way?

$488 is the cheapest one-way deal found within the past few days, from Singapore Airlines. You may also be able to find cheap deals on Turkish Airlines and Japan Airlines, with prices starting from $526 and $543, respectively.

What are the cheapest flights from Seattle to Hanoi?

Looking for the cheapest flight from Seattle to Hanoi? While on average our users pay $3,644, our data indicates the cheapest price to be $574. The most popular route (Seattle/Tacoma Intl - Hanoi Noibai), is priced around $790.

What are the most popular airlines that fly from Seattle to Hanoi?

Consider American Airlines, EVA Air or Cathay Pacific when booking your flight. These represent the most popular airlines when flying from Seattle to Hanoi.

COVID Restrictions

View COVID Travel Restrictions for Hanoi, Vietnam

Do I need a COVID test to fly to Hanoi from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Hanoi Noibai

Most visitors from Seattle/Tacoma Intl can enter Hanoi Noibai without restrictions.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Hanoi Noibai.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Hanoi Noibai.

Documents
PC-COVID app - Foreign arrivals shall be required to make health declarations before entry and download and use the PC-COVID app during their stay in Viet Nam.


Do I need a test to fly back to Seattle from Hanoi?

Returning to Seattle/Tacoma Intl from Hanoi Noibai

COVID-19 testing requirements
Visitors from Hanoi Noibai must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Hanoi Noibai are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Hanoi, Vietnam

Destination information for Hanoi

Things to know before you go - useful duration and weather info for your trip from Seattle to Hanoi.
Today's exchange rate
$1 = 23,202₫
Average temperature for May in Hanoi
89.6 °F
Avg rainfall for May in Hanoi
6.1 ″

Airports servicing Seattle

Airports servicing Hanoi

Top 6 airlines flying from Seattle/Tacoma Intl to Hanoi Noibai

The chart below displays the airlines Cheapflights users traveling from Seattle to Hanoi choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Singapore Airlines
$590 $841 No cancel fee 81%
EVA Air
$715 $956 No cancel fee 74%
Cathay Pacific
$718 $927 No cancel fee 72%
Japan Airlines
$743 $1,001 No cancel fee 79%

We couldn't confirm the COVID-19 safety measures taken by Japan Airlines. Please check directly on their website for additional information.

American Airlines
$768 $881 No cancel fee 71%
Asiana Airlines
$834 $1,293 No cancel fee 76%

We couldn't confirm the COVID-19 safety measures taken by Asiana Airlines. Please check directly on their website for additional information.

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