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Cheap Flights from Washington D.C. (BWI) to Bangkok (BKKT)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Baltimore Washington International to Bangkok flight deals

      Find the cheapest month or even day of the year to fly to Bangkok

      Book the best Bangkok fare with no extra fees

      Flight deals from Baltimore Washington International to Bangkok

      Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International Airport to Bangkok? If you want to travel next month, return fares start from $1,571. Find the lowest prices on one-way and return tickets right here.
      Bangkok.$1,368 per passenger.Departing Sat, 26 Sep, returning Sat, 3 Oct.Return flight with Frontier Airlines and China Southern.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sat, 26 Sep, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with China Southern, departs from Bangkok Suvarnabhumi on Sat, 3 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,368, select.
      Bangkok.$1,452 per passenger.Departing Mon, 5 Oct, returning Mon, 12 Oct.Return flight with Frontier Airlines and Xiamen Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Mon, 5 Oct, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Xiamen Airlines, departs from Bangkok Suvarnabhumi on Mon, 12 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,452, select.
      Bangkok.$1,566 per passenger.Departing Wed, 4 Nov, returning Wed, 11 Nov.Return flight with Frontier Airlines and Thai Airways.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Wed, 4 Nov, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Wed, 11 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,566, select.
      Bangkok.$1,569 per passenger.Departing Mon, 14 Sep, returning Mon, 21 Sep.Return flight with Frontier Airlines and STARLUX Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Mon, 14 Sep, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with STARLUX Airlines, departs from Bangkok Suvarnabhumi on Mon, 21 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,569, select.
      Bangkok.$1,643 per passenger.Departing Thu, 18 Feb, returning Mon, 1 Mar.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Thu, 18 Feb, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with United, departs from Bangkok Suvarnabhumi on Mon, 1 Mar, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,643, select.
      Bangkok.$1,645 per passenger.Departing Tue, 25 Aug, returning Tue, 1 Sep.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Tue, 25 Aug, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with United, departs from Bangkok Suvarnabhumi on Tue, 1 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,645, select.
      Bangkok.$1,645 per passenger.Departing Tue, 12 Jan, returning Tue, 26 Jan.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Tue, 12 Jan, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with United, departs from Bangkok Suvarnabhumi on Tue, 26 Jan, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,645, select.
      Bangkok.$1,655 per passenger.Departing Tue, 19 Jan, returning Wed, 3 Feb.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Baltimore Washington International on Tue, 19 Jan, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Korean Air, departs from Bangkok Suvarnabhumi on Wed, 3 Feb, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,655, select.
      Bangkok.$1,656 per passenger.Departing Tue, 2 Mar, returning Tue, 16 Mar.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Tue, 2 Mar, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with United, departs from Bangkok Suvarnabhumi on Tue, 16 Mar, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,656, select.
      Bangkok.$1,657 per passenger.Departing Tue, 1 Dec, returning Wed, 16 Dec.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Tue, 1 Dec, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with United, departs from Bangkok Suvarnabhumi on Wed, 16 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,657, select.
      Bangkok.$1,659 per passenger.Departing Mon, 8 Feb, returning Mon, 15 Feb.Return flight with United.Outbound indirect flight with United, departs from Baltimore Washington International on Mon, 8 Feb, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with United, departs from Bangkok Suvarnabhumi on Mon, 15 Feb, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,659, select.
      Bangkok.$1,697 per passenger.Departing Thu, 12 Nov, returning Wed, 9 Dec.Return flight with Frontier Airlines and Thai Airways.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Thu, 12 Nov, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Wed, 9 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,697, select.
      Bangkok.$1,728 per passenger.Departing Mon, 5 Oct, returning Fri, 20 Nov.Return flight with Alaska Airlines and China Airlines.Outbound indirect flight with Alaska Airlines, departs from Baltimore Washington International on Mon, 5 Oct, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with China Airlines, departs from Bangkok Suvarnabhumi on Fri, 20 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,728, select.
      Bangkok.$1,747 per passenger.Departing Fri, 8 Jan, returning Mon, 19 Apr.Return flight with ANA (All Nippon Airways).Outbound indirect flight with ANA (All Nippon Airways), departs from Baltimore Washington International on Fri, 8 Jan, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with ANA (All Nippon Airways), departs from Bangkok Suvarnabhumi on Mon, 19 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,747, select.
      Bangkok.$1,749 per passenger.Departing Wed, 31 Mar, returning Mon, 19 Apr.Return flight with Southwest Airlines and China Airlines.Outbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Wed, 31 Mar, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with China Airlines, departs from Bangkok Suvarnabhumi on Mon, 19 Apr, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,749, select.
      Bangkok.$1,755 per passenger.Departing Wed, 21 Oct, returning Sun, 17 Jan.Return flight with Southwest Airlines and China Airlines.Outbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Wed, 21 Oct, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with China Airlines, departs from Bangkok Suvarnabhumi on Sun, 17 Jan, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,755, select.

      Find the cheapest month to fly from Baltimore Washington International to Bangkok

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to Bangkok flights are currently cheapest in October.
      Aug
      from $1,876
      Sep
      from $1,569
      Oct
      from $1,452
      Nov
      from $1,566
      Dec
      from $1,657
      Jan
      from $1,645
      Feb
      from $1,659
      Mar
      from $1,656
      Apr
      from $1,772
      May
      from $1,787
      Jun
      from $2,620
      Jul
      from $2,212

      Alternative Baltimore Washington International to Bangkok routes

      Looking for the cheapest, fastest or easiest route from Baltimore Washington International to Bangkok? You could fly into the following airports instead.

      Don Mueang

      21km from central Bangkok
      Closest
      from $2,156
      Search flights

      Bangkok Suvarnabhumi

      29km from central Bangkok
      Cheapest
      from $1,370
      Search flights

      Washington D.C. to Bangkok: Flight information

      The things to know before you go.
      Cheapest flight found$1,370
      Cheapest month to flySeptember

      Finding cheap flights from Baltimore Washington International to Bangkok: Frequently asked questions

      There are 2 airports in Bangkok: Don Mueang and Bangkok Suvarnabhumi.
      The best price we found for a return flight from Baltimore Washington International to Bangkok is $1,370. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Baltimore Washington International to Bangkok. But we found flights with one or more stops from $1,370.
      As of August 2026, there are no flights flying from Baltimore Washington International to Bangkok.
      The cheapest month to fly from Baltimore Washington International to Bangkok is usually September.
      If you're flying from Baltimore Washington International Airport, the cheapest airport near Bangkok is Bangkok Suvarnabhumi – which is 28.6 km away from the centre of Bangkok. We've found flights into this airport from $1,370.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Bangkok on Saturday, 26 September 2026.
      No airlines currently offer direct flights between Baltimore Washington International Airport and Bangkok. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bangkok but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.

      In August, the average temperature is usually around 28°C. April is typically the warmest month in Bangkok, when it usually averages around 35°C. You can expect the least rain in December. The coldest month is November, with temperatures averaging 22°C. The rainiest month is September.
      Currently, Frontier Airlines offers the cheapest flight tickets to Bangkok.

      Flying from Baltimore Washington International Airport (BWI) to Bangkok: what you need to know

      • Bangkok is 12 hours ahead of Washington DC, where Baltimore Washington International Airport is located. Bangkok runs on the UTC+7 timezone.

      • Leave plenty of time to get on your BWI to Bangkok flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

      • During popular months such as July, you'll want to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're travelling during peak periods in general.

      • Whether you'd like to discover a new place on the way or just have a break, we make it easy to find plane tickets from BWI to Bangkok with a stopover. To check out your options, uncheck 'Direct flights only.' London Heathrow Airport (LHR) is a go-to stop on this route.

      • Travelling from central Washington DC to BWI takes around 50 minutes on public transport. If you ride-share, drive or get a taxi, you'll cover the 40 kilometres in 40 minutes or so, depending on traffic.

      • In search of a hotel near BWI? If you're boarding an early flight from Baltimore Washington International Airport to Bangkok, these stays will put you moments from your departure lounge:

      • When it comes to the on-time performance of Baltimore Washington International Airport, data shows 77% of flights stick to their scheduled arrival time.

      How to find the cheapest flights from Baltimore Washington International Airport (BWI) to Bangkok

      • The lowest price we've seen for a one-way Baltimore Washington International Airport to Bangkok flight is $651. The cheapest price for a return flight is $1,370. Bear in mind fares may change due to availability at the time of booking.

      • Booking in advance is often the key to locking in a cheap flight from BWI to Bangkok. Prices tend to rise as demand increases, so the closer your departure date, the more you'll likely pay.

      • Scoring cheap tickets from Baltimore Washington International Airport to Bangkok is more likely if you can be flexible with your travel plans. Try using the 'Whole month' tool to get the lowest prices throughout the month and land a fantastic deal.

      • Snapping up a cheap flight from BWI to Bangkok couldn't be easier with Price Alerts. All you need to do is set up one of these automatic notifications and we'll get in touch as soon as there's a better deal.

      • Select your ideal departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Baltimore Washington International Airport to Bangkok by 'Fastest,' 'Cheapest' or 'Best.'

      Airports in Bangkok

      Bangkok Suvarnabhumi International Airport (BKK)

      • Bangkok Suvarnabhumi International Airport (BKK) to the centre of Bangkok takes about 35 minutes to reach by car. The centre is roughly 31 kilometres away.

      • When travelling by public transport, expect a journey time of about 35 minutes.

      • Book a hotel near BKK if you have a late flight from Baltimore Washington International Airport to Bangkok. Pick one of these options and make your arrival easier:

      • Reserving your ride from Bangkok Suvarnabhumi International Airport about four weeks in advance of your flight from BWI to Bangkok can help you secure the lowest rate.

      Bangkok Don Mueang International Airport (DMK)

      • Bangkok Don Mueang International Airport (DMK) is around 24 kilometres from the centre of Bangkok. After your flight from Baltimore Washington International Airport to Bangkok, it'll take you around 35 minutes to reach the heart of the city in a ride-share or taxi.

      • The journey will take roughly 1 hour 5 minutes on public transport.

      • You'll find some great places ready to welcome you near DMK. Unwind and get cosy after your BWI to Bangkok flight at any of these well-located options:

      • Call dibs on the best options. Booking your ride from DMK three weeks ahead of time often means lower prices and a wider range of vehicles.

      Best time to go to Bangkok

      • May is the quietest month for flights from Baltimore Washington International Airport to Bangkok, while February is the busiest. Figure out the ideal time to go to Bangkok based on whether you want a laid-back vibe or a more bustling atmosphere.

      • Before booking a Baltimore Washington International Airport to Bangkok plane ticket, think about the kind of weather you prefer. April is the warmest month in Bangkok, with temperatures ranging from 26ºC (79ºF) to 37ºC (99ºF).

      • Look for cheap tickets from BWI to Bangkok in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 19ºC (66ºF) and 34ºC (93ºF) on average.

      More about Bangkok

      • When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Bangkok right here. Browse these options as soon as you've booked your flight from Baltimore Washington International Airport to Bangkok:

      • There are so many things to discover in this city it can be hard to figure out where to begin. Wat Phra Kaew, Grand Palace and Songkran Festival Silom are highlights which should feature on any well-planned Bangkok itinerary.

      Explore more of Thailand

      • You've seen Bangkok, now it's time to discover other corners of Thailand. Journey around 467 kilometres northeast to Udon Thani to tick off its popular sights. From Thai-Chinese Cultural Centre to Wat Pho Chai and Wat Burapa Wanaram, you'll have a full itinerary ahead.

      • If you're ready to explore another corner of Thailand, consider Nakhon Ratchasima, about 225 kilometres northeast of Bangkok. Night Safari Korat, Wat Chai Mongkol and Wat Na Pha That are among the biggest draws.

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      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.