$438+ Cheap flights from Seattle (SEA) to Chiang Mai (CNX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CNX
Dec 8 — Dec 151
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Chiang Mai with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Chiang Mai
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Cheapest flights from Seattle to Chiang MaiExplore the most affordable flight options available from Seattle to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 8, 2026.
Explore the most affordable flight options available from Seattle to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 8, 2026.
This FlightHub deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:10 am -
1 stop19h 25m
Mon 12/711:50 am -
1 stop21h 20m
Deal found 11/8![EVA Air logo]()
$999
This Globehunters deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:45 pm -
1 stop25h 15m
Sat 11/145:15 pm -
1 stop36h 50m
Deal found 11/3![STARLUX Airlines logo]()
$1,103
This Korean Air deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:20 am -
2 stops24h 25m
Sun 12/612:20 am -
2 stops29h 51m
Deal found 11/6![Korean Air logo]()
$1,121
This Globehunters deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:30 pm -
1 stop20h 05m
Sat 11/149:30 am -
2 stops23h 00m
Deal found 11/5![EVA Air logo]()
$1,137
This FlightHub deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:10 am -
2 stops22h 35m
Mon 12/710:10 am -
2 stops23h 00m
Deal found 11/4![Multiple Airlines logo]()
$1,144
This FlightHub deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:45 pm -
1 stop25h 15m
Sat 11/145:15 pm -
2 stops30h 07m
Deal found 11/3![Multiple Airlines logo]()
$1,149
This Globehunters deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:45 pm -
1 stop25h 15m
Tue 12/85:15 pm -
1 stop36h 50m
Deal found 11/4![STARLUX Airlines logo]()
$1,169
Best flights from Seattle to Chiang MaiDiscover carefully curated flight deals from Seattle to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 8, 2026.
Discover carefully curated flight deals from Seattle to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 8, 2026.
This Delta deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2512:40 pm -
1 stop19h 05m
Sun 2/712:20 am -
1 stop26h 30m
Deal found 11/6![Delta logo]()
$918
This Korean Air deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/257:15 am -
2 stops24h 30m
Sun 2/712:20 am -
1 stop23h 45m
Deal found 11/6![Korean Air logo]()
$927
This STARLUX Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/711:45 pm -
1 stop25h 15m
Thu 3/115:15 pm -
1 stop36h 50m
Deal found 11/3![STARLUX Airlines logo]()
$1,068
This EVA Air deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/231:30 am -
2 stops41h 50m
Mon 5/1011:35 am -
1 stop21h 55m
Deal found 11/3![EVA Air logo]()
$1,197
This Qatar Airways deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:46 am -
3 stops35h 34m
Fri 12/1110:10 am -
2 stops40h 30m
Deal found 11/4![Qatar Airways logo]()
$1,631
This Korean Air deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/17:15 am -
2 stops24h 30m
Sun 3/1412:20 am -
1 stop23h 45m
Deal found 11/7![Korean Air logo]()
$1,045
This Qatar Airways deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:20 am -
3 stops35h 05m
Tue 12/89:10 pm -
2 stops29h 30m
Deal found 11/8![Multiple Airlines logo]()
$2,193
This Malaysia Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/14:25 pm -
3 stops36h 45m
Wed 5/122:35 pm -
3 stops35h 50m
Deal found 11/6![Malaysia Airlines logo]()
$2,212
This Korean Air deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/277:15 am -
2 stops24h 30m
Tue 3/1612:20 am -
2 stops28h 27m
Deal found 11/7![Korean Air logo]()
$1,056
This Korean Air deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/75:55 pm -
2 stops37h 50m
Wed 3/1012:20 am -
1 stop23h 45m
Deal found 11/3![Korean Air logo]()
$1,119
This Malaysia Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/174:35 pm -
3 stops36h 25m
Tue 3/233:25 pm -
3 stops35h 15m
Deal found 11/4![Malaysia Airlines logo]()
$2,212
Last-minute flights from Seattle to Chiang MaiDiscover last-minute flight deals from Seattle to Chiang Mai. Data last updated November 8, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Chiang Mai. Data last updated November 8, 2026 and is based on user searches.
This Globehunters deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:45 pm -
1 stop25h 15m
Sat 11/145:15 pm -
1 stop36h 50m
Deal found 11/3![STARLUX Airlines logo]()
$1,103
This Globehunters deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:30 pm -
1 stop20h 05m
Sat 11/149:30 am -
2 stops23h 00m
Deal found 11/5![EVA Air logo]()
$1,137
This FlightHub deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:45 pm -
1 stop25h 15m
Sat 11/145:15 pm -
2 stops30h 07m
Deal found 11/3![Multiple Airlines logo]()
$1,149
This FlightHub deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:10 am -
1 stop19h 25m
Mon 12/711:50 am -
1 stop21h 20m
Deal found 11/8![EVA Air logo]()
$999
This FlightHub deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:10 am -
2 stops22h 35m
Mon 12/710:10 am -
2 stops23h 00m
Deal found 11/4![Multiple Airlines logo]()
$1,144
This Korean Air deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:20 am -
2 stops24h 25m
Sun 12/612:20 am -
2 stops29h 51m
Deal found 11/6![Korean Air logo]()
$1,121
This Globehunters deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:45 pm -
1 stop25h 15m
Tue 12/85:15 pm -
1 stop36h 50m
Deal found 11/4![STARLUX Airlines logo]()
$1,169
One-way flights from Seattle to Chiang MaiSearch for one-way flight options from Seattle to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated November 8, 2026.
Search for one-way flight options from Seattle to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated November 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/98:40 am -
2 stops35h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$438
This SmartFares deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/910:25 am -
1 stop32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Cathay Pacific logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/318:40 am -
2 stops35h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/308:40 am -
2 stops31h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/58:40 am -
2 stops56h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$458
This Trip.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1810:25 am -
1 stop32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Cathay Pacific logo]()
$461
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/112:50 pm -
1 stop18h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Delta logo]()
$467
This Korean Air deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/111:00 am -
1 stop20h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Korean Air logo]()
$469
This Trip.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/298:40 am -
2 stops44h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$478
Find flight deals from Seattle to Chiang Mai
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $828 (Justfly.com) |
One-way from | $438 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $936 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Chiang Mai 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, Cheapflights users made 7,457,451 searches. Data last updated November 8, 2026.
Use the filters below to find and compare flights from Seattle to Chiang Mai that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Mon 2/1
12:50 pm-10:45 pm
1 stop18h 55m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$467
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Mon 2/1
11:00 am-10:45 pm
1 stop20h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$469
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Thu 12/3
10:05 am-8:15 am
2 stops55h 10m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$548
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Mon 1/11
10:25 am-9:50 am
1 stop32h 25m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$599
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Mon 1/11
8:56 pm-4:00 pm
2 stops52h 04m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$604
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Sun 11/29
12:00 pm-8:25 am
3 stops29h 25m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$608
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Tue 12/1
11:45 pm-4:00 pm
1 stop25h 15m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$672
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Mon 12/7
11:45 pm-4:00 pm
1 stop25h 15m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$702
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Mon 12/28
11:00 am-10:45 pm
1 stop20h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$832
SeattleChiang Mai
SEA Seattle/Tacoma Intl - CNX Chiang Mai
SEACNX
Seattle/Tacoma Intl
Mon 1/25
12:40 pm-10:45 pm
1 stop19h 05m
Chiang Mai
Sun 2/7
12:20 am-11:50 am
1 stop26h 30m
$918
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Seattle to Chiang Mai
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Chiang Mai in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Chiang Mai flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Chiang Mai flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Chiang Mai flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Chiang Mai flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Chiang Mai
Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Seattle with our price prediction graph.
SEA-CNX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Chiang Mai
How far ahead should I book a flight from Seattle to Chiang Mai?
To ensure you get the cheapest price possible for a flight from Seattle to Chiang Mai, you should look to book at least 34 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Seattle to Chiang Mai?
Currently, February is the cheapest month in which you can book a flight from Seattle to Chiang Mai (average of $808). Flying from Seattle to Chiang Mai in June is currently the most expensive (average of $1,744). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Seattle to Chiang Mai?
Airfare is below average for this route at the moment.
Seattle to Chiang Mai flights typically cost between $869 and $992 in March.The cheapest round-trip price found within the last 5 days was $828 on Singapore Airlines (Mar 17-Mar 23).
Reviews of airlines servicing Chiang Mai
Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated November 8, 2026.
Peruse reviews from past customers who have flown with EVA Air,Korean Air, andChina Airlines from Seattle to Chiang Mai to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.5
Comfort
8.3
Food
8.1
Crew
8.7
Entertainment
8.0
Boarding
8.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2026
TPE - CNX
Overall
8.5
Comfort
8.3
Food
8.1
Crew
8.7
Entertainment
8.0
Boarding
8.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2026
TPE - CNX
Overall
8.5
Comfort
8.3
Food
8.1
Crew
8.7
Entertainment
8.0
Boarding
8.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2026
TPE - CNX
Overall
8.5
Comfort
8.3
Food
8.1
Crew
8.7
Entertainment
8.0
Boarding
8.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2026
TPE - CNX
Related info for your journey
Find useful and relevant information for your journey from Seattle to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Other flights to Chiang Mai
Explore flights to Chiang Mai departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 8, 2026.
Complete your trip
Complete your trip to Chiang Mai by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Seattle to Chiang Mai, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Chiang Mai flights
Browse other Seattle and Chiang Mai flight options. Last updated on November 8, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on November 8, 2026.
Popular flight searches
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Top 3 airlines flying from Seattle to Chiang Mai
Discover the top 3 airlines that operate flights from Seattle to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$752 | Average$869 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$800 | Average$875 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$813 | Average$1,018 | FlexibilityNo cancel fee | On-time74% |