Flights from Washington Dc to Bangkok

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From $721 · Prices update daily

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The quick answer

Flights from Washington Dc to Bangkok start around $721 round-trip. Airlines on this route include: Etihad Airways, Korean Air, Austrian Airlines, Qatar Airways. Cheapest month: April; peak: December (about +53%). Visa-free for US passport holders (Thailand).

Price calendar — next 60 days

CheapAverageExpensive
Oct 8Oct 13Nov 13Dec 23Apr 2Apr 5

★ Cheapest: $721 on Mon, Apr 5 · QR

Lowest return fares · Prices update daily · Final price confirmed at booking

Price calendar — Washington Dc to Bangkok

Month-by-month lowest fares. Green = cheapest dates.

Flying to Bangkok? Compare from other US cities

Sometimes a nearby airport is cheaper. See Bangkok fares from other departure cities.

Thailand essentials

🟢 Visa-free for US passport holders · up to 60 days

Visa exemption for US tourists, up to 60 days.

Full Bangkok visa guide →

🆘 Emergency

191 (police) · 1669 (ambulance)

💱 Currency

Thai Baht (฿)

🕐 Time zone

UTC+7

🗣️ Language

Thai

🔌 Plugs

Type A/B/C · 230V

🚗 Driving

Left side

💡 Tipping

Not required; round up

📞 Dial code

+66

🏛️ US Embassy

Bangkok · +66 2-205-4000

Entry rules can change — always confirm with official sources before booking.

Stay connected in Bangkok

Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.

Travel insurance

Protect your Washington Dc to Bangkok trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.

Airport transfer in Bangkok

Pre-book your ride into Bangkok. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.

Flight delayed or cancelled?

If your Washington Dc to Bangkok flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.

Planning a trip to Bangkok?Hotels from $5/nt|Tours from $5

More resources

Washington Dc to Bangkok — frequently asked

How much is a flight from Washington Dc to Bangkok?+

Fares start around $721 round-trip, ranging up to about $1148 in peak periods. Prices update daily across 800+ airlines.

What is the cheapest month to fly Washington Dc to Bangkok?+

April typically has the lowest fares, while December is the most expensive (around +53%).

Are there direct flights from Washington Dc to Bangkok?+

This route is usually served by connecting flights. Use the search above to check for any direct options on your dates.

Which airlines fly from Washington Dc to Bangkok?+

Carriers on this route include Etihad Airways, Korean Air, Austrian Airlines, Qatar Airways. Compare them side by side in the search above.

Do US citizens need a visa for Thailand?+

Visa-free for US passport holders for stays up to 60 days. Visa exemption for US tourists, up to 60 days.

What currency is used in Thailand?+

The Thai Baht (THB, ฿). The emergency number is 191 (police) · 1669 (ambulance).

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