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.

$539 Cheap Flights from Washington, D.C. to Chiang Rai (WAS-CEI) in 2025

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Find the cheapest flights from Washington, D.C. to Chiang Rai (WAS-CEI)

Round-trip

One-way

Cheap round-trip flights

1:30 pm - 3:55 pmIAD-CEI

39h 25m2 stops

8:40 am - 7:45 pmCEI-IAD

46h 05m2 stops

$1,103

Find Deal

jue., oct. 9 - jue., oct. 16

9:00 pm - 1:10 pmIAD-CEI

29h 10m2 stops

6:55 pm - 3:40 pmCEI-IAD

55h 45m2 stops

$1,152

Find Deal

jue., oct. 9 - jue., oct. 16

9:20 pm - 6:20 pmIAD-CEI

34h 00m3 stops

6:55 pm - 8:55 amCEI-IAD

49h 00m3 stops

$1,508

Find Deal

jue., oct. 9 - jue., oct. 16

10:55 am - 6:20 pmIAD-CEI

44h 25m2 stops

6:55 pm - 8:55 amCEI-IAD

49h 00m3 stops

$1,658

Find Deal

jue., oct. 9 - jue., oct. 16

9:20 pm - 6:20 pmIAD-CEI

34h 00m3 stops

10:10 am - 8:40 amCEI-IAD

33h 30m2 stops

$1,669

Find Deal

jue., oct. 9 - jue., oct. 16

8:30 pm - 6:20 pmBWI-CEI

34h 50m3 stops

8:40 am - 6:35 amCEI-BWI

32h 55m3 stops

$1,910

Find Deal

jue., oct. 9 - jue., oct. 16

10:20 pm - 6:20 pmIAD-CEI

33h 00m2 stops

6:55 pm - 7:25 pmCEI-IAD

35h 30m2 stops

$3,859Lufthansa

Find Deal

jue., sep. 25 - lun., sep. 29

momondo Fare Finder

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

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

jue. 10/9

1:30 pm-3:55 pm

2 stops39h 25m

Chiang Rai

jue. 10/16

8:40 am-7:45 pm

2 stops46h 05m

$1,103

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

jue. 10/9

9:00 pm-1:10 pm

2 stops29h 10m

Chiang Rai

jue. 10/16

6:55 pm-3:40 pm

2 stops55h 45m

$1,152

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

jue. 10/9

9:20 pm-6:20 pm

3 stops34h 00m

Chiang Rai

jue. 10/16

6:55 pm-8:55 am

3 stops49h 00m

$1,508

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

jue. 10/9

10:55 am-6:20 pm

2 stops44h 25m

Chiang Rai

jue. 10/16

6:55 pm-8:55 am

3 stops49h 00m

$1,658

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

jue. 10/9

9:20 pm-6:20 pm

3 stops34h 00m

Chiang Rai

jue. 10/16

10:10 am-8:40 am

2 stops33h 30m

$1,669

BaltimoreChiang Rai

BWI - CEI

BWICEI

Baltimore/Washington

jue. 10/9

8:30 pm-6:20 pm

3 stops34h 50m

Chiang Rai

jue. 10/16

8:40 am-6:35 am

3 stops32h 55m

$1,910

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

jue. 9/25

10:20 pm-6:20 pm

2 stops33h 00m

Chiang Rai

lun. 9/29

6:55 pm-7:25 pm

2 stops35h 30m

$3,859

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

lun. 10/6

9:40 pm-9:25 am

3 stops48h 45m

$539

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

mar. 10/7

9:40 pm-11:55 am

3 stops51h 15m

$550

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

dom. 10/5

9:40 pm-9:35 am

3 stops48h 55m

$553

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

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

How long does it take to fly to Chiang Rai?

On average, it takes 24h 15m to fly from Washington, D.C. to Chiang Rai if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Chiang Mai (the most popular airport in Chiang Rai). If you’re flying out of Baltimore and into Chiang Mai, then the flight time is around 27h 25m.

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

Direct flights	None

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

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. 29h 10m 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.

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.