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Cheap flights from Washington, D.C. to Chiang Rai from $1,922

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Chiang Rai departing on 6/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Washington, D.C. to Chiang Rai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:10 pm - 1:10 pm
IAD
-
CEI
35h 00m
2 stops
Multiple Airlines Logo
6:55 pm - 9:45 am
CEI
-
IAD
49h 50m
2 stops
$1,922Multiple Airlines
Fri, Jun 19 - Fri, Jun 26
Multiple Airlines Logo
3:10 pm - 9:40 am
IAD
-
CEI
31h 30m
2 stops
Multiple Airlines Logo
6:55 pm - 7:45 pm
CEI
-
IAD
35h 50m
3 stops
$2,844Multiple Airlines
Fri, Jun 19 - Fri, Jun 26
Multiple Airlines Logo
10:20 pm - 6:20 pm
IAD
-
CEI
33h 00m
2 stops
Multiple Airlines Logo
6:55 pm - 2:00 pm
CEI
-
IAD
30h 05m
2 stops
$4,433Multiple Airlines
Mon, Aug 17 - Thu, Sep 10
Multiple Airlines Logo
9:20 pm - 6:20 pm
IAD
-
CEI
34h 00m
3 stops
Multiple Airlines Logo
1:40 pm - 9:45 am
CEI
-
IAD
31h 05m
2 stops
$9,296Multiple Airlines
Mon, Aug 17 - Thu, Sep 10

momondo 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, momondo users made 832,500 searches. Data last updated May 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Chiang Rai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

Fri 6/19

3:10 pm-1:10 pm

2 stops35h 00m

Chiang Rai

Fri 6/26

6:55 pm-9:45 am

2 stops49h 50m

$1,922

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

Fri 6/19

3:10 pm-9:40 am

2 stops31h 30m

Chiang Rai

Fri 6/26

6:55 pm-7:45 pm

3 stops35h 50m

$2,844
Quickest round-trip

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

Mon 8/17

10:20 pm-6:20 pm

2 stops33h 00m

Chiang Rai

Thu 9/10

6:55 pm-2:00 pm

2 stops30h 05m

$4,433

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

Mon 8/17

9:20 pm-6:20 pm

3 stops34h 00m

Chiang Rai

Thu 9/10

1:40 pm-9:45 am

2 stops31h 05m

$9,296

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Chiang Rai from

How to get the cheapest flight ticket from Washington, D.C. to Chiang Rai

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Chiang Rai?

Korean Air, Delta and EVA Air are the top three most popular airlines that fly to Chiang Rai from Washington, D.C. according to our data. Korean Air is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Chiang Rai. Keep in mind that there are 3 different airlines that fly to Chiang Rai on a routine basis, so you have a few additional options to choose from.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Chiang Rai according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Chiang Rai (WAS to CEI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Chiang Rai

Fastest flight time

34h 50m

Direct flights

None
The fastest flight from Washington, D.C. to Chiang Rai takes 34h 50m
There are no direct flights from Washington, D.C. to Chiang Rai. There are no popular flight routes from Washington, D.C. to Chiang Rai.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Chiang Rai

  • How far is Washington, D.C. to Chiang Rai by plane?

    A flight from Washington, D.C. to Chiang Rai will travel around 8362.2 mi. 34h 50m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. to Chiang Rai Airport?

    Prices for flights from Washington, D.C. to Chiang Rai Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. to Chiang Rai Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Chiang Rai Airport.

  • What documentation or ID do you need to fly to Chiang Rai Airport?

    The travel and health documents you'll need for your trip to Chiang Rai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chiang Rai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Chiang Rai?

Book flights to Chiang Rai if you plan to visit one of these locations
Mae Chan

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Chiang Rai?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chiang Rai from Washington, D.C..

Can I find flights from Washington, D.C. to Chiang Rai with flexible booking policies on momondo?

Yes. All flights to Chiang Rai from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Chiang Rai?

Once all potential Washington, D.C. to Chiang Rai flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Chiang Rai right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Chiang Rai flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Wed 6/10
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