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Chiang Rai

$1,621+ Cheap flights from Washington, D.C. (WAS) to Chiang Rai (CEI)

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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CEI
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Chiang Rai

Cheapest flights from Washington, D.C. to Chiang Rai
Explore the most affordable flight options available from Washington, D.C. to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Gotogate deal was found by Cheapflights users on 2/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2911:00 am
IAD
-
CEI
2 stops35h 40m
Multiple Airlines
Sun 4/56:55 pm
CEI
-
IAD
3 stops35h 50m
Multiple Airlines
Deal found 2/11$1,621

Find flight deals from Washington, D.C. to Chiang Rai

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Chiang Rai (CEI). 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,621
(Gotogate)
Provider with most accurate pricing for Washington, D.C. (WAS)-Chiang Rai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Chiang Rai flights.
Search Deals
From Washington, D.C. (WAS) to Chiang Rai
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Chiang Rai 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 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Chiang Rai that are best for you.

Fly from

Washington, D.C.

Fly to

Chiang Rai

Route

Depart

Return

Price

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

Sun 3/29

11:00 am-9:40 am

2 stops35h 40m

Chiang Rai

Sun 4/5

6:55 pm-7:45 pm

3 stops35h 50m

$1,621

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Compare providers for flights from Washington, D.C. to Chiang Rai

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 Washington, D.C. to Chiang Rai in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Chiang Rai flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Chiang Rai flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Chiang Rai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Chiang Rai 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 Washington, D.C.-Chiang Rai 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 Washington, D.C. to Chiang Rai

Have a flexible travel schedule? Discover the best time to fly to Chiang Rai from Washington, D.C. with our price prediction graph.
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 Washington, D.C. to Chiang Rai
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Chiang Rai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Chiang Rai from Washington, D.C.?

    For a flight from Washington, D.C. to Chiang Rai, you will be flying into Chiang Rai. Chiang Rai (CEI) is just 4.5 mi from the center of the city. Chiang Rai is the only Chiang Rai airport and it handles 0 inbound flights from Washington, D.C. per day. 0 airlines have flights to Chiang Rai from Washington, D.C. on a regular basis.

  • What are the most popular routes from Washington, D.C. to Chiang Rai?

    Most travelers choose Baltimore/Washington - Chiang Rai, Washington, D.C. Reagan-National - Chiang Rai or Washington, D.C. Dulles Intl - Chiang Rai when deciding on the best route from Washington, D.C. to Chiang Rai.

  • Can I find deals for flights from Washington, D.C. to Chiang Rai that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Chiang Rai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Chiang Rai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Chiang Rai.

  • Can I find deals for business class flights from Washington, D.C. to Chiang Rai?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Chiang Rai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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