good.flights

Cheap flights from Washington to Bangkok

One-way from $285, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Sun, Nov 22$461Mon, Nov 23$481Tue, Nov 24$541Wed, Nov 25$285Thu, Nov 26$461Fri, Nov 27Any priceSat, Nov 28Any priceSun, Nov 29Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
$285
Air Premia, flight YP 136Found 3 days ago, 1 adult
Check live price
11:35pmWashingtonWed, Nov 25
Travel time 22h, 1 stopIADBKK
9:35amBangkokFri, Nov 27
$290
Air Premia, flight YP 136Found yesterday, 1 adult
Check live price
11:35pmWashingtonWed, Nov 18
Travel time 22h, 1 stopIADBKK
9:35amBangkokFri, Nov 20
$461
Alaska Airlines, flight AS 786Found 6 days ago, 1 adult
Check live price
7:00amWashingtonSun, Nov 22
Travel time 24h, 2 stopsBWIBKK
7:00pmBangkokMon, Nov 23
$461
Alaska Airlines, flight AS 786Found 6 days ago, 1 adult
Check live price
7:00amWashingtonThu, Nov 26
Travel time 24h, 2 stopsBWIBKK
7:00pmBangkokFri, Nov 27
$471
Etihad Airways, flight EY 6Found yesterday, 1 adult
Check live price
2:25pmWashingtonTue, Feb 2
Travel time 19h 5m, 1 stopIADBKK
9:30pmBangkokWed, Feb 3

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in ThailandTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Bangkok, booked ahead at a fixed price.
    See options
  • Things to do in BangkokPopular tours from $13.36 per person.
    See ideas
  • Travel insuranceTravel insurance quotes for Thailand from EKTA; check what each policy covers.
    Get a quote
  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
    Check

Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425–26–27–28–29–30–31–

November 2026

MoTuWeThFrSaSu1–2–3–4–5–6$6837–8–9–10–11–12–13–14$51815–16–17–18$29019–20–21–22$46123$48124$54125$28526$46127–28–29–30–

December 2026

MoTuWeThFrSaSu1–2–3–4$4975–6$5607–8–9–10–11–12–13–14–15–16–17–18–19–20–21–22–23–2425262728293031
$461 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 25, $285.

Lowest fares by month

In the fares found this week, November has the lowest: from $285 one-way, against $591 in January 2027. Pick a month to see its cheapest date.

  1. Octno fares yet
  2. Nov$285
  3. Dec$497
  4. Jan$591
  5. Feb$471
  6. Marno fares yet
  7. Aprno fares yet
  8. Mayno fares yet
  9. Junno fares yet
  10. Julno fares yet
  11. Augno fares yet
  12. Sepno fares yet
$0$200$400$600Oct$285NovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October—
November$285Wed, Nov 251 stop
December$497Fri, Dec 41 stop
January 2027$591Mon, Jan 42 stops
February 2027$471Tue, Feb 21 stop
March 2027—
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in Bangkok. Average daily high and low and monthly precipitation.

Oct2026NovDecJan2027FebMarAprMayJunJulAugSep
Lowest fare–$285$497$591$471–––––––
High °C33°33°32°33°34°35°36°35°34°34°33°33°
Low °C25°25°23°23°25°26°27°27°26°26°26°25°
Precipitation mm289451224215193217199190227336

Source: Bangkok on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from Washington to Bangkok?

In the fares found this week, November has the lowest: from $285 one-way, against $591 in January 2027.

What is the weather in Bangkok in November?

In November, the cheapest month to fly, the average daily high in Bangkok is 33 °C and the low 25 °C.

Are there direct flights from Washington to Bangkok?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

More cheap flights from Washington

All 280 destinations