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Cheap flights Washington — Bangkok

Washington (WAS, US) Bangkok (BKK, TH)
from $505 14 155 km ~17h 9m 4 flights found 4 airlines cheapest on Saturday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $505 on 16.01.2027
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
Mo
Tu
We
Th
Fr
Sa
Su
December 2026
Mo
Tu
We
Th
Fr
Sa
Su
January 2027
Mo
Tu
We
Th
Fr
Sa
Su
Prices found for 6 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
16 Jan 2027, Sat
Etihad Airways EY 6
22:25
IAD Washington Dulles International Airport
17:35
BKK Suvarnabhumi Airport
19h 10m 1 stop
Clickavia
$505
View this ticket
28 Nov 2026, Sat
Air Premia YP 136
07:35
IAD Washington Dulles International Airport
05:35
BKK Suvarnabhumi Airport
22h 1 stop
Trip.com
$563
View this ticket
04 Dec 2026, Fri
Frontier Airlines F9 689
02:00
DCA Ronald Reagan National Airport
04:08
BKK Suvarnabhumi Airport
26h 8m 3 stops
Kiwi.com
$577
View this ticket
15 Jan 2027, Fri
jetBlue B6 8292
19:00
DCA Ronald Reagan National Airport
18:27
BKK Suvarnabhumi Airport
23h 27m 2 stops
Kiwi.com
$608
View this ticket
Route characteristics
Distance
14 155 km
Flight time
17h 9m
Time difference
+12h
Minimum price
from $505 (16.01.2027)
Average price
$566
Maximum price
$608
Cheapest day
Saturday
Departure airports (2)
DCA Ronald Reagan National Airport IAD Washington Dulles International Airport
Arrival airports (1)
BKK Suvarnabhumi Airport
Airlines (4)
EY Etihad Airways YP Air Premia F9 Frontier Airlines B6 jetBlue
Agencies (3)
Clickavia Trip.com Kiwi.com
Prices by day of week
Friday
$577
avg $593
Saturday
$505
avg $534
Cheapest
Price trend by month
November 2026
from $563
avg $563
1 flights
December 2026
from $577
avg $577
1 flights
January 2027
from $505
avg $557
2 flights
Airlines — cheapest prices 4
Etihad Airways
Etihad Airways
1 flights · 1 days
$505
Air Premia
Air Premia
1 flights · 1 days
$563
Frontier Airlines
Frontier Airlines
Low-cost 1 flights · 1 days
$577
jetBlue
jetBlue
Low-cost 1 flights · 1 days
$608
Where to buy tickets 3
Clickavia
1 tickets · 1 days
from $505
Trip.com
1 tickets · 1 days
from $563
Kiwi.com
2 tickets · 2 days
from $577
Airports

From — Washington (2)

  • DCA Ronald Reagan National Airport
  • IAD Washington Dulles International Airport

To — Bangkok (1)

  • BKK Suvarnabhumi Airport
Other destinations from Washington
Nashville
US
Dallas
US · Hub
Los Angeles
US · Hub
Miami
US · Hub
Raleigh
US
St Louis
US
Cincinnati
US
Seattle
US
Boston
US
Atlanta
US · Hub
San Juan
PR
Tampa
US
Frequently asked questions about the route Washington — Bangkok
How long is the flight from Washington to Bangkok?
Approximate flight time — 17h 9m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Washington to Bangkok?
The straight-line distance — 14 155 km.
How much do flights from Washington to Bangkok cost?
The minimum price over 3 months — from $505 on 16.01.2027.
What is the average ticket price?
The average price — $566. Range: $505 — $608.
What is the time difference between Washington and Bangkok?
The difference — +12h.
From which airports does Washington operate flights?
From Washington: DCA (Ronald Reagan National Airport), IAD (Washington Dulles International Airport).
To which airports in Bangkok do flights arrive?
To Bangkok: BKK (Suvarnabhumi Airport).
Which airlines fly this route?
This route is served by 4 airlines: Etihad Airways, Air Premia, Frontier Airlines, jetBlue.
Which day of the week is cheapest?
The cheapest day of the week — Saturday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Washington — Bangkok

Flights Washington — Bangkok is a popular route. The straight-line distance is 14 155 km. Flight time 17h 9m. Time difference +12h.

From Washington (WAS) flights depart from 2 airports: DCA, IAD. To Bangkok (BKK) — 1 arrival airport: BKK.

4 airlines operate on this route: Etihad Airways, Air Premia, Frontier Airlines, jetBlue.

The minimum price for the next 3 months — from $505 (16.01.2027). The cheapest dates are highlighted in the calendar above.

The average ticket price — $566, ranging from $505 to $608. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Saturday.

Other destinations in Thailand from Washington
Phuket
TH

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