WAS - CEI

$1,120 Find Cheap Flights from Washington, D.C. to Chiang Rai - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,120
Typical prices: $1,091-$1,159
Multiple Airlines
Thu 10/25Thu 11/1
IAD - CEI • 2 stops
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Flight Deals

Cheap Flights from Washington, D.C. to Chiang Rai (WAS-CEI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Chiang Rai

Sun, Oct 25 - Sun, Nov 1
Multiple Airlines Logo
9:05 pm - 9:40 amIAD  Washington, D.C. Dulles Intl-CEI Chiang Rai
25h 35m2 stops Doha Hamad Intl Bangkok Suvarnabhumi
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2:25 pm - 3:55 pmCEI  Chiang Rai-IAD Washington, D.C. Dulles Intl
37h 30m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
$1,120Multiple Airlines
Sun, Jan 24 - Thu, Jan 28
Multiple Airlines Logo
8:05 pm - 9:40 amIAD  Washington, D.C. Dulles Intl-CEI Chiang Rai
25h 35m2 stops Doha Hamad Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
6:55 pm - 3:55 pmCEI  Chiang Rai-IAD Washington, D.C. Dulles Intl
33h 00m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
$1,218Multiple Airlines
Mon, Nov 30 - Thu, Dec 10
Multiple Airlines Logo
11:55 pm - 1:55 pmIAD  Washington, D.C. Dulles Intl-CEI Chiang Rai
26h 00m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
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2:25 pm - 8:55 pmCEI  Chiang Rai-IAD Washington, D.C. Dulles Intl
42h 30m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,250Multiple Airlines
Sat, Oct 24 - Sun, Nov 1
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1:15 am - 1:55 pmIAD  Washington, D.C. Dulles Intl-CEI Chiang Rai
49h 40m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
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1:25 pm - 12:45 pmCEI  Chiang Rai-IAD Washington, D.C. Dulles Intl
35h 20m3 stops Bangkok Don Mueang Intl Phuket City Istanbul
$1,616Multiple Airlines
Sun, Oct 25 - Sun, Nov 1
Multiple Airlines Logo
8:40 pm - 9:40 amIAD  Washington, D.C. Dulles Intl-CEI Chiang Rai
26h 00m3 stops Reykjavik Keflavik Intl Frankfurt am Main Bangkok Suvarnabhumi
Multiple Airlines Logo
1:25 pm - 12:45 pmCEI  Chiang Rai-IAD Washington, D.C. Dulles Intl
35h 20m3 stops Bangkok Don Mueang Intl Phuket City Istanbul
$1,838Multiple Airlines
Sun, Jan 24 - Thu, Jan 28
Multiple Airlines Logo
8:05 pm - 9:40 amIAD  Washington, D.C. Dulles Intl-CEI Chiang Rai
49h 35m3 stops Doha Hamad Intl Kuala Lumpur Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
10:15 am - 8:30 amCEI  Chiang Rai-IAD Washington, D.C. Dulles Intl
34h 15m3 stops Bangkok Suvarnabhumi Kuala Lumpur Intl Doha Hamad Intl
$2,057Multiple Airlines
Mon, Nov 30 - Thu, Dec 10
Multiple Airlines Logo
8:05 pm - 9:40 amIAD  Washington, D.C. Dulles Intl-CEI Chiang Rai
49h 35m3 stops Doha Hamad Intl Kuala Lumpur Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
2:25 pm - 3:55 pmCEI  Chiang Rai-IAD Washington, D.C. Dulles Intl
37h 30m3 stops Bangkok Suvarnabhumi Kuala Lumpur Intl Doha Hamad Intl
$2,317Multiple Airlines
Mon, Nov 30 - Thu, Dec 10
Multiple Airlines Logo
8:05 pm - 9:40 amIAD  Washington, D.C. Dulles Intl-CEI Chiang Rai
49h 35m3 stops Doha Hamad Intl Kuala Lumpur Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
2:25 pm - 3:55 pmCEI  Chiang Rai-IAD Washington, D.C. Dulles Intl
37h 30m3 stops Bangkok Suvarnabhumi Kuala Lumpur Intl Doha Hamad Intl
$2,318Multiple Airlines
Sun, Jan 24 - Thu, Jan 28
Multiple Airlines Logo
10:00 am - 6:20 pmIAD  Washington, D.C. Dulles Intl-CEI Chiang Rai
44h 20m2 stops Addis Ababa Bole Bangkok Suvarnabhumi
Multiple Airlines Logo
6:55 pm - 8:00 amCEI  Chiang Rai-IAD Washington, D.C. Dulles Intl
49h 05m3 stops Bangkok Suvarnabhumi Addis Ababa Bole Rome Fiumicino
$2,449Multiple Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. to Chiang Rai flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. to Chiang Rai with more confidence.

What is the cheapest Washington, D.C. to Chiang Rai flight route?

There's little price difference between Washington, D.C. to Chiang Rai routes. They average around $1,124 round-trip, based on KAYAK data over the past 12 months.

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When to book flights from Washington, D.C. to Chiang Rai

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Chiang Rai based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. to Chiang Rai flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Washington, D.C. to Chiang Rai?

    Flights from Washington, D.C. to Chiang Rai may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at Chiang Rai (CEI).

  • What cabin classes can I book on flights from Washington, D.C. to Chiang Rai?

    Only Economy Class is available on flights from Washington, D.C. to Chiang Rai.

  • Can I save money by using flexible dates for flights from Washington, D.C. to Chiang Rai?

    Yes. Being flexible with your travel dates can save you up to 4% on the Washington, D.C. to Chiang Rai route. Thursday is the cheapest departure day at $1,124 round-trip on average, while Friday is the most expensive at $1,169, a difference of $45. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Do I need a passport to fly from Washington, D.C. to Chiang Rai?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Washington, D.C. to Chiang Rai changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,120 to $6,577. That means the highest observed fare was about 6x higher than the lowest one.

  • What is the time difference between Washington, D.C. and Chiang Rai?

    Chiang Rai is 11 hours ahead of Washington, D.C. (Indochina Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Chiang Rai Airport (CEI)?

    Chiang Rai Airport (CEI) hosts 5 major car rental companies, with daily rates starting from around $13 for economy cars. Top options include:
    • Drive Car Rental
    • Chic Car Rent
    • Budget
    • True Leasing
    • Hertz

Your guide to booking Washington, D.C. to Chiang Rai flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Friday. On this route, Thursday flights average $1,124 - about $45 less than Friday (4% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Chiang Rai Airport.
    - The Loft at Chiangrai

More options for your flight from Washington, D.C. to Chiang Rai

Complete your trip to Chiang Rai with a hotel stay or car rental

Car rentals in Chiang Rai
Hotels in Chiang Rai