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Cathay Pacific flights from Chiang Mai to Seattle (CNX - SEA)

CNX — SEA
7 Jul — 14 Jul1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Chiang Mai to Seattle on Cathay Pacific typically fly into Seattle/Tacoma Intl and depart from Chiang Mai. Select your dates above for pricing.

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Cheapest Cathay Pacific flights from Chiang Mai to Seattle
Explore the most affordable Cathay Pacific flight options available from Chiang Mai to Seattle. Find the lowest fares with prices last updated on 7 June 2026.

Wed 17/610:30
CNX
-
SEA
1 stop37h 50m
Cathay Pacific
Sat 11/712:25
SEA
-
CNX
1 stop31h 20m
Cathay Pacific
Deal found 3/6฿41,750
Wed 17/619:25
CNX
-
SEA
1 stop28h 55m
Cathay Pacific
Wed 8/712:25
SEA
-
CNX
1 stop31h 20m
Cathay Pacific
Deal found 3/6฿43,774
Wed 17/619:25
CNX
-
SEA
1 stop28h 55m
Cathay Pacific
Thu 9/712:25
SEA
-
CNX
1 stop31h 20m
Cathay Pacific
Deal found 3/6฿45,994

Cathay Pacific flights from Chiang Mai to Seattle in 2026

Find detailed information about Cathay Pacific flights from Chiang Mai to Seattle. Explore the options provided by Cathay Pacific to plan your journey from Chiang Mai to Seattle. Data last updated 7 June 2026.

One-way from

฿39,139

Return from

฿41,750

Popular in

September

Cheapest in

February

Average price (all airlines)

฿30,684
Cathay Pacific
  • Cathay Pacific
  • 1/10
  • 3 total stops
  • 42h 32m total
  • Chiang Mai to Seattle
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Cathay Pacific
  • Cathay Pacific
  • 17/6-11/7
  • 2 total stops
  • 69h 10m total
  • Chiang Mai to Seattle
Search Deals
Highest demand for flights from Chiang Mai to Seattle/Tacoma Intl; 8% potential price increase.
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Best time to find cheap flights from Chiang Mai to Seattle/Tacoma Intl; 2% potential price drop.
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Average price for all Chiang Mai to Seattle/Tacoma Intl flights (one-way and round-trip).
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Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Best time to book a flight from Chiang Mai to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Chiang Mai with our price prediction graph.
Estimated return 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.

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Fly from Chiang Mai to Seattle on another airline

Consider alternative airlines that service the Seattle area. Flight routes are based on user searches made on Cheapflights and were last updated on 7 June 2026.
Korean Air flights from Chiang Mai to Seattle/Tacoma Intl

See what others are saying about Cathay Pacific

Read reviews and see what other travellers are saying about their experiences with Cathay Pacific. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Cathay Pacific for your next flight. Reviews last updated 7 June 2026.
Cathay Pacific
7.6
Good
1,360 reviews
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Overview

Crew

8.1

Food

7.3

Boarding

7.9

Entertainment

7.8

Comfort

7.6

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