Find the Cheapest Flights from United States to Bangkok

Unlock the cheapest flights and the best airfares from United States to Bangkok. Make your dream trip both memorable and affordable!

Sun, Apr 26SEA-BKK
Singapore Airlines

oneway$316

Thu, Sep 10SFO-BKK
Singapore Airlines

oneway$316

Thu, Jan 7LAX-BKK
Asiana Airlines

oneway$325

Fri, Jul 24NYC-BKK
Asiana Airlines

oneway$330

Mon, Mar 30CHI-BKK
Etihad Airways

oneway$343

Fri, May 1PDX-BKK
Alaska Airlines

oneway$390

Mon, Apr 6ATL-BKK
Etihad Airways

oneway$414

Thu, Jan 7ONT-BKK
Korean Air

oneway$415

Mon, Apr 20BOS-BKK
Etihad Airways

oneway$421

Sat, Aug 22LAS-BKK
Spirit Airlines

oneway$423

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United States to Bangkok: Flight information

Cheapest flight found$316

Cheapest month to flyApril

Most popular airlineSingapore Airlines

Average flight duration20h 15m

Cheapest flight found

Apr 2026

$414

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