$566+ Cheap flights from District of Columbia to Chiang Rai (CEI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CEI
Dec 2 — Dec 91
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from District of Columbia to Chiang Rai 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.Find flight deals from District of Columbia to Chiang Rai
Cheapest flights from District of Columbia to Chiang RaiExplore the most affordable flight options available from District of Columbia to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.
Explore the most affordable flight options available from District of Columbia to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:30 amIAD - CEI
3 stops33h 45mMultiple Airlines
Mon 12/224:25 pmCEI - IAD
2 stops28h 40mMultiple Airlines
Deal found 10/30![Multiple Airlines logo]()
$2,121
Cheap flight deals from District of Columbia to Chiang Rai
Keep the following information in mind while searching for District of Columbia to Chiang Rai flight deals. Data was last updated November 2, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $2,121 (Mytrip) |
One-way from | $566 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from District of Columbia 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 November 2, 2025.
Use the filters below to find and compare flights from District of Columbia to Chiang Rai that are best for you.
Fly from
District of Columbia
Fly to
Chiang Rai
Route
Depart
Return
Price
Washington, D.C.Chiang Rai
IAD - CEI
IADCEI
Washington, D.C. Dulles Intl
Mon 12/15
10:30 am-8:15 am
3 stops33h 45m
Chiang Rai
Mon 12/22
4:25 pm-9:05 am
2 stops28h 40m
$2,121
Washington, D.C.Chiang Rai
IAD - CEI
IADCEI
Washington, D.C. Dulles Intl
Tue 12/2
5:30 pm-1:55 pm
3 stops32h 25m
$566
Best time to book a flight from District of Columbia to Chiang Rai
Have a flexible travel schedule? Discover the best time to fly to Chiang Rai from District of Columbia 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 District of Columbia to Chiang Rai
No data available for this route at this time. Please check back soon.