Cheap flights from Washington, D.C. Dulles Intl Airport to Thailand from $437

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Thailand departing on 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Thailand

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
3:10 pm - 6:45 am
IAD
-
BKK
28h 35m
1 stop
Etihad Airways Logo
8:40 pm - 9:45 am
BKK
-
IAD
24h 05m
1 stop
$847Etihad Airways
mån, maj 4 - ons, maj 20
Etihad Airways Logo
3:10 pm - 6:45 am
IAD
-
BKK
28h 35m
1 stop
Etihad Airways Logo
9:00 pm - 9:45 am
BKK
-
IAD
23h 45m
1 stop
$848Etihad Airways
lör, maj 2 - sön, maj 10
Etihad Airways Logo
3:10 pm - 6:45 am
IAD
-
BKK
28h 35m
1 stop
Etihad Airways Logo
9:00 pm - 9:45 am
BKK
-
IAD
23h 45m
1 stop
$851Etihad Airways
mån, maj 4 - ons, maj 13
Etihad Airways Logo
3:10 pm - 6:10 pm
IAD
-
BKK
40h 00m
1 stop
Etihad Airways Logo
9:40 am - 9:45 am
BKK
-
IAD
35h 05m
1 stop
$860Etihad Airways
sön, maj 3 - sön, maj 24
Qatar Airways Logo
9:00 pm - 6:30 pm
IAD
-
HKT
34h 30m
2 stops
Qatar Airways Logo
8:45 pm - 6:10 pm
HKT
-
IAD
32h 25m
1 stop
$990Qatar Airways
ons, maj 6 - tors, maj 14
Qatar Airways Logo
9:00 pm - 6:30 pm
IAD
-
HKT
34h 30m
2 stops
Qatar Airways Logo
8:45 pm - 6:10 pm
HKT
-
IAD
32h 25m
1 stop
$995Qatar Airways
ons, maj 6 - ons, maj 13
Multiple Airlines Logo
9:00 pm - 9:00 am
IAD
-
KBV
25h 00m
2 stops
Multiple Airlines Logo
8:20 pm - 3:40 pm
KBV
-
IAD
30h 20m
2 stops
$1,025Multiple Airlines
mån, sep 14 - mån, sep 21
Multiple Airlines Logo
9:00 pm - 9:40 am
IAD
-
CEI
25h 40m
2 stops
Multiple Airlines Logo
6:55 pm - 6:10 pm
CEI
-
IAD
34h 15m
2 stops
$1,029Multiple Airlines
sön, maj 10 - fre, maj 22
Emirates Logo
10:55 am - 10:50 am
IAD
-
KBV
36h 55m
1 stop
Emirates Logo
12:10 pm - 8:40 am
KBV
-
IAD
31h 30m
1 stop
$1,192Emirates
ons, maj 6 - sön, maj 10
Emirates Logo
10:55 am - 11:35 am
IAD
-
KBV
37h 40m
1 stop
Emirates Logo
9:25 am - 8:40 am
KBV
-
IAD
58h 15m
2 stops
$1,222Emirates
mån, sep 14 - mån, sep 21

Etihad Airways flights from Washington, D.C. Dulles Intl Airport to Thailand

Our best Etihad Airways deals on Washington, D.C. Dulles Intl Airport to Thailand flight tickets
Etihad Airways
May 4
IAD3:10 pmWashington, D.C. Dulles Intl
28h 35m
1 stop
BKK6:45 amBangkok Suvarnabhumi
May 20
BKK8:40 pmBangkok Suvarnabhumi
24h 05m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$847
Etihad Airways
May 2
IAD3:10 pmWashington, D.C. Dulles Intl
28h 35m
1 stop
BKK6:45 amBangkok Suvarnabhumi
May 10
BKK9:00 pmBangkok Suvarnabhumi
23h 45m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$848
Etihad Airways
May 4
IAD3:10 pmWashington, D.C. Dulles Intl
28h 35m
1 stop
BKK6:45 amBangkok Suvarnabhumi
May 13
BKK9:00 pmBangkok Suvarnabhumi
23h 45m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$851

Qatar Airways flights from Washington, D.C. Dulles Intl Airport to Thailand

Our best Qatar Airways deals on Washington, D.C. Dulles Intl Airport to Thailand flight tickets
Qatar Airways
Apr 21
IAD9:00 pmWashington, D.C. Dulles Intl
30h 15m
1 stop
BKK2:15 pmBangkok Suvarnabhumi
Apr 30
BKK1:00 amBangkok Suvarnabhumi
28h 10m
1 stop
IAD6:10 pmWashington, D.C. Dulles Intl
$874
Qatar Airways
May 10
IAD9:00 pmWashington, D.C. Dulles Intl
30h 15m
1 stop
BKK2:15 pmBangkok Suvarnabhumi
May 25
BKK7:00 pmBangkok Suvarnabhumi
34h 10m
1 stop
IAD6:10 pmWashington, D.C. Dulles Intl
$879
Qatar Airways
Apr 29
IAD9:00 pmWashington, D.C. Dulles Intl
35h 50m
1 stop
BKK7:50 pmBangkok Suvarnabhumi
May 7
BKK2:30 amBangkok Suvarnabhumi
26h 40m
1 stop
IAD6:10 pmWashington, D.C. Dulles Intl
$882

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Thailand 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 april 14, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

mån 5/4

3:10 pm-6:45 am

1 stop28h 35m

Bangkok Suvarnabhumi

ons 5/20

8:40 pm-9:45 am

1 stop24h 05m

$847
Quickest round-trip

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

lör 5/2

3:10 pm-6:45 am

1 stop28h 35m

Bangkok Suvarnabhumi

sön 5/10

9:00 pm-9:45 am

1 stop23h 45m

$848

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

mån 5/4

3:10 pm-6:45 am

1 stop28h 35m

Bangkok Suvarnabhumi

ons 5/13

9:00 pm-9:45 am

1 stop23h 45m

$851

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

sön 5/3

3:10 pm-6:10 pm

1 stop40h 00m

Bangkok Suvarnabhumi

sön 5/24

9:40 am-9:45 am

1 stop35h 05m

$860

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

ons 5/6

9:00 pm-6:30 pm

2 stops34h 30m

Phuket City

tors 5/14

8:45 pm-6:10 pm

1 stop32h 25m

$990

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

ons 5/6

9:00 pm-6:30 pm

2 stops34h 30m

Phuket City

ons 5/13

8:45 pm-6:10 pm

1 stop32h 25m

$995

Washington, D.C.Krabi

IAD - KBV

IADKBV

Washington, D.C. Dulles Intl

mån 9/14

9:00 pm-9:00 am

2 stops25h 00m

Krabi

mån 9/21

8:20 pm-3:40 pm

2 stops30h 20m

$1,025

Washington, D.C.Chiang Rai

IAD - CEI

IADCEI

Washington, D.C. Dulles Intl

sön 5/10

9:00 pm-9:40 am

2 stops25h 40m

Chiang Rai

fre 5/22

6:55 pm-6:10 pm

2 stops34h 15m

$1,029

Washington, D.C.Krabi

IAD - KBV

IADKBV

Washington, D.C. Dulles Intl

ons 5/6

10:55 am-10:50 am

1 stop36h 55m

Krabi

sön 5/10

12:10 pm-8:40 am

1 stop31h 30m

$1,192

Washington, D.C.Krabi

IAD - KBV

IADKBV

Washington, D.C. Dulles Intl

mån 9/14

10:55 am-11:35 am

1 stop37h 40m

Krabi

mån 9/21

9:25 am-8:40 am

2 stops58h 15m

$1,222

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Thailand from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Thailand

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 is the cheapest month to fly to Thailand?

The month of October is, on average, the cheapest month to fly to Thailand from Washington, D.C. Dulles Intl Airport, with most prices found around $979. If you are unable to visit Thailand during the month of October, then departing from Washington, D.C. Dulles Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around $983.

How far in advance should I book a flight to Thailand?

You are more likely to see cheaper flights to Thailand from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $1,078 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from Washington, D.C. Dulles Intl Airport for as low as $963 on momondo.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Thailand flights?

You could potentially save up to 3% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Thailand flight.

Cheap Washington, D.C. Dulles Intl Airport to Thailand flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Thailand

Fastest flight time

21h 40m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Thailand takes 21h 40m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Thailand. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Thailand.

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Thailand

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Thailand?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Thailand are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Thailand?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Thailand?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Thailand.

  • What documentation or ID do you need to fly to Thailand?

    The required travel and health documents for your Thailand trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Thailand. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Thailand

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Thailand with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom $592Free CancellationRating
7.3
146 reviews
Search Air China flights
DeltaPriceFrom $664Free CancellationRating
7.9
8,404 reviews
Search Delta flights
Korean AirPriceFrom $673Free CancellationRating
8.4
1,205 reviews
Search Korean Air flights
AIR PREMIAPriceFrom $784Free CancellationRating
8.2
85 reviews
Search AIR PREMIA flights
Etihad AirwaysPriceFrom $785Free CancellationRating
7.3
1,428 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $822Free CancellationRating
7.4
3,728 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $835Free CancellationRating
7.3
4,305 reviews
Search Turkish Airlines flights
ANAPriceFrom $896Free CancellationRating
8.4
1,173 reviews
Search ANA flights
JetBluePriceFrom $900Free CancellationRating
7.2
2,935 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $920Free CancellationRating
7.9
12,235 reviews
Search Alaska Airlines flights

Why use momondo?

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

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 Thailand from Washington, D.C..

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

Yes. momondo enables you to select and highlight flights to Thailand from Washington, D.C. with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Thailand from Washington, D.C..

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

Of course. momondo tracks the price of Washington, D.C. to Thailand flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Thailand trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
tors 5/14
tors 5/21

Find better results for your trip to Thailand

Popular cities in Thailand

Popular flights according to clicks in the last 7 days on momondo