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Cheap flights from Chiang Mai to Washington from $503

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chiang Mai to Washington departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chiang Mai to Washington

Cheap round-trip flights

Logo
6:30 am - 7:15 pmCNX-SEA
26h 45m2 stops
Logo
11:35 pm - 9:50 pmSEA-CNX
32h 15m2 stops
$767
Find Deal
Wed, Oct 8 - Wed, Oct 15
China Airlines Logo
5:35 pm - 6:10 pmCNX-SEA
15h 35m1 stop
China Airlines Logo
12:10 am - 10:25 amSEA-CNX
19h 15m1 stop
$833China Airlines
Find Deal
Mon, Nov 10 - Thu, Dec 4
China Airlines Logo
5:35 pm - 6:10 pmCNX-SEA
15h 35m1 stop
China Airlines Logo
12:10 am - 10:25 amSEA-CNX
19h 15m1 stop
$838China Airlines
Find Deal
Mon, Nov 10 - Thu, Dec 4
EVA Air Logo
11:35 am - 6:50 pmCNX-SEA
21h 15m1 stop
EVA Air Logo
1:30 am - 10:25 amSEA-CNX
18h 55m1 stop
$840EVA Air
Find Deal
Sat, Oct 4 - Thu, Oct 9
EVA Air Logo
11:35 am - 7:30 pmCNX-SEA
21h 55m1 stop
EVA Air Logo
1:30 am - 10:25 amSEA-CNX
18h 55m1 stop
$866EVA Air
Find Deal
Wed, Oct 8 - Tue, Oct 14
Delta Logo
12:15 am - 9:00 amCNX-SEA
23h 45m1 stop
Delta Logo
4:20 pm - 11:05 pmSEA-CNX
39h 45m2 stops
$1,074Delta
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Sat, Dec 20 - Sat, Dec 27
Delta Logo
12:15 am - 9:00 amCNX-SEA
23h 45m1 stop
Delta Logo
11:00 am - 11:05 pmSEA-CNX
21h 05m1 stop
$1,130Delta
Find Deal
Sat, Dec 20 - Sat, Dec 27
Singapore Airlines Logo
12:05 pm - 7:10 amCNX-SEA
34h 05m1 stop
Singapore Airlines Logo
8:45 am - 11:05 amSEA-CNX
59h 20m1 stop
$1,383Singapore Airlines
Find Deal
Mon, Nov 10 - Fri, Dec 5
Singapore Airlines Logo
4:35 pm - 7:10 amCNX-SEA
29h 35m1 stop
Singapore Airlines Logo
8:45 am - 11:05 amSEA-CNX
59h 20m1 stop
$1,682Singapore Airlines
Find Deal
Mon, Nov 10 - Fri, Dec 5
Asiana Airlines Logo
12:45 am - 9:15 pmCNX-SEA
34h 30m2 stops
Asiana Airlines Logo
5:31 pm - 11:40 pmSEA-CNX
40h 09m2 stops
$2,226Asiana Airlines
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Fri, Oct 3 - Fri, Oct 10

EVA Air flights from Chiang Mai to State of Washington

Our best EVA Air deals on Chiang Mai to State of Washington flight tickets
EVA Air
Oct 4
CNX11:35 amChiang Mai
21h 15m
1 stop
SEA6:50 pmSeattle/Tacoma Intl
Oct 9
SEA1:30 amSeattle/Tacoma Intl
18h 55m
1 stop
CNX10:25 amChiang Mai
$840
Find similar
EVA Air
Oct 8
CNX11:35 amChiang Mai
21h 55m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
Oct 14
SEA1:30 amSeattle/Tacoma Intl
18h 55m
1 stop
CNX10:25 amChiang Mai
$866
Find similar
EVA Air
Nov 10
CNX7:45 pmChiang Mai
36h 55m
2 stops
SEA5:40 pmSeattle/Tacoma Intl
Dec 4
SEA12:10 amSeattle/Tacoma Intl
19h 25m
1 stop
CNX10:35 amChiang Mai
$896
Find similar

China Airlines flights from Chiang Mai to State of Washington

Our best China Airlines deals on Chiang Mai to State of Washington flight tickets
China Airlines
Nov 10
CNX5:35 pmChiang Mai
15h 35m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Dec 4
SEA12:10 amSeattle/Tacoma Intl
19h 15m
1 stop
CNX10:25 amChiang Mai
$833
Find similar
China Airlines
Nov 10
CNX5:35 pmChiang Mai
15h 35m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Dec 4
SEA12:10 amSeattle/Tacoma Intl
19h 15m
1 stop
CNX10:25 amChiang Mai
$838
Find similar
China Airlines
Nov 10
CNX5:35 pmChiang Mai
15h 35m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Dec 5
SEA7:05 amSeattle/Tacoma Intl
36h 20m
2 stops
CNX10:25 amChiang Mai
$936
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chiang Mai to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 25, 2025.
Use the filters below to find and compare flights from Chiang Mai to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 10/8

6:30 am-7:15 pm

2 stops26h 45m

Seattle/Tacoma Intl

Wed 10/15

11:35 pm-9:50 pm

2 stops32h 15m

$767

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 11/10

5:35 pm-6:10 pm

1 stop15h 35m

Seattle/Tacoma Intl

Thu 12/4

12:10 am-10:25 am

1 stop19h 15m

$833

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 11/10

5:35 pm-6:10 pm

1 stop15h 35m

Seattle/Tacoma Intl

Thu 12/4

12:10 am-10:25 am

1 stop19h 15m

$838

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 10/4

11:35 am-6:50 pm

1 stop21h 15m

Seattle/Tacoma Intl

Thu 10/9

1:30 am-10:25 am

1 stop18h 55m

$840

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Wed 10/8

11:35 am-7:30 pm

1 stop21h 55m

Seattle/Tacoma Intl

Tue 10/14

1:30 am-10:25 am

1 stop18h 55m

$866

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 12/20

12:15 am-9:00 am

1 stop23h 45m

Seattle/Tacoma Intl

Sat 12/27

4:20 pm-11:05 pm

2 stops39h 45m

$1,074

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sat 12/20

12:15 am-9:00 am

1 stop23h 45m

Seattle/Tacoma Intl

Sat 12/27

11:00 am-11:05 pm

1 stop21h 05m

$1,130

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 11/10

12:05 pm-7:10 am

1 stop34h 05m

Seattle/Tacoma Intl

Fri 12/5

8:45 am-11:05 am

1 stop59h 20m

$1,383

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Mon 11/10

4:35 pm-7:10 am

1 stop29h 35m

Seattle/Tacoma Intl

Fri 12/5

8:45 am-11:05 am

1 stop59h 20m

$1,682

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 10/3

12:45 am-9:15 pm

2 stops34h 30m

Seattle/Tacoma Intl

Fri 10/10

5:31 pm-11:40 pm

2 stops40h 09m

$2,226

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Chiang Mai to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Chiang Mai to State of Washington is on a Sunday. Travelers who choose to depart for State of Washington on a Sunday will often find tickets for as low as $946. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Chiang Mai to State of Washington for around $1,147.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $950. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,095 on average. Flights to State of Washington from Chiang Mai in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Chiang Mai to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chiang Mai to State of Washington

Direct flights

None
There are no direct flights from Chiang Mai to State of Washington. There are no popular flight routes from Chiang Mai to State of Washington.
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  • When did momondo last update prices for flights from Chiang Mai Airport to Washington?

    Prices for flights from Chiang Mai Airport to Washington refresh daily.

  • How many operators does momondo search for flights from Chiang Mai Airport to Washington?

  • How old do you have to be to fly from Chiang Mai Airport to Washington?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chiang Mai Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Chiang Mai to State of Washington

Compare and see reviews for airlines that fly from Chiang Mai to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
Asiana AirlinesPriceFrom $622Free CancellationRating
8.2
477 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $802Free CancellationRating
8.4
1,133 reviews
Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Chiang Mai to Washington?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chiang Mai to Washington. momondo saves you time and could save you money on your trip.

Can I find flights from Chiang Mai to Washington with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington from Chiang Mai with this policy.

How can momondo help me find flights from Chiang Mai to Washington?

Once you have performed a search for Chiang Mai to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chiang Mai to Washington right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from Chiang Mai and alert you when they change.

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