To Bangkok

Cheap Flights from Washington, D.C. to Bangkok

Browse current best options from Washington, D.C.. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Washington, D.C.

RatePunk searches hundreds of travel sites at once for deals on flights to Bangkok

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Washington, D.C. to Bangkok

Explore current cheapest deals departing from Washington, D.C. to Bangkok

Round trip

Sort by: Cheapest

September 16 - September 30

Cheapest

IAD - Bangkok

$976

$897

Round trip

September 2 - September 30

IAD - Bangkok

$942

$900

Round trip

September 9 - September 23

IAD - Bangkok

$968

$900

Round trip

September 1 - September 9

Earliest

IAD - Bangkok

$956

$900

Round trip

September 3 - September 25

IAD - Bangkok

$943

$900

Round trip

September 1 - September 10

Earliest

IAD - Bangkok

$956

$900

Round trip

October 7 - October 29

Best

IAD - Bangkok

$1,130

$900

Round trip

October 1 - October 12

Best

IAD - Bangkok

$1,087

$900

Round trip

October 5 - October 28

Best

IAD - Bangkok

$1,114

$900

Round trip

September 1 - September 29

Earliest

IAD - Bangkok

$942

$902

Round trip

Unlock all 500+ flight deals to Bangkok and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Washington, D.C. to Bangkok

Only 2% of recent fares from Washington, D.C. to Bangkok were classified as a good price. Right now, fares for cheap flights from Washington, D.C. to Bangkok are below the typical level for this route. Prices typically range from $1444–$2441, with a median of $1915. New deals appear almost daily, so setting up a price alert can help you track fluctuations.

When is the cheapest time to fly from Washington, D.C. to Bangkok? The most affordable month to fly is typically February, with a median fare of $660. January also offers competitive prices, with a median of $1073, followed by May at a median of $1095.

A typical journey from Washington, D.C. to Bangkok takes about 57h 25m, including connections. This is a long-haul route, covering a substantial distance of 14160 km. Most itineraries connect at least once, reflecting the significant distance involved in traveling between these two cities.

There are no direct flights from Washington, D.C. to Bangkok. Most itineraries connect at least once, with the median number of stopovers for connecting flights being 3. This means you should expect multiple stops on your journey to Bangkok.

How much is a round trip from Washington, D.C. to Bangkok

Regular price: $890 - $1,511

Prices are currently within the regular range.

The regular price range for flights from Washington, D.C. to Bangkok is $890 to $1511. The current lowest deal is $897 with Etihad Airways, for travel from Sep 16-Sep 30.

now $897

Low $890

High $1,511

The cheapest time to fly from Washington, D.C. to Bangkok

The cheapest month to fly from Washington to Bangkok is February, with a median price of $660. The most expensive month is June, with a median price of $2479. Prices are generally lower from January to October.

February

Cheapest

Flights from $660

June

Most Expensive

Flights from $2,479

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Washington, D.C. to Bangkok

Etihad Airways

Turkish Airlines

Qatar Airways

Alitalia

Last-minute flights going from Washington, D.C. to Bangkok

Wed, Aug 12

⌛ Last-Minute

IAD - Bangkok

Washington, D.C. (IAD) - Bangkok (BKK)

Etihad Airways

$1,002

$939

One-way

Thu, Aug 20

⌛ Last-Minute

IAD - Bangkok

Washington, D.C. (IAD) - Bangkok (BKK)

Etihad Airways

$1,032

$939

One-way

Tue, Sep 1

⌛ Last-Minute

IAD - Bangkok

Washington, D.C. (IAD) - Bangkok (BKK)

Etihad Airways

$956

$900

One-way

Tue, Sep 1

⌛ Last-Minute

IAD - Bangkok

Washington, D.C. (IAD) - Bangkok (BKK)

Etihad Airways

$956

$900

One-way

Tue, Sep 1

⌛ Last-Minute

IAD - Bangkok

Washington, D.C. (IAD) - Bangkok (BKK)

Etihad Airways

$942

$902

One-way

Tue, Sep 1

⌛ Last-Minute

IAD - Bangkok

Washington, D.C. (IAD) - Bangkok (BKK)

Etihad Airways

$947

$907

One-way

Biggest price drops on these dates for flights from Washington, D.C. to Bangkok

13 nights

Dec 1 - Dec 14

$1,450 → $997

31%

15 nights

Dec 1 - Dec 16

$1,445 → $998

31%

9 nights

Dec 1 - Dec 10

$1,453 → $1,049

28%

22 nights

Dec 6 - Dec 28

$1,456 → $1,089

25%

Popular Airports to fly from Washington, D.C. to Bangkok

Washington, D.C. - Bangkok route insights

💸 Price insights

Recent fares are below the typical level.

Recent fares for Washington, D.C. to Bangkok are below the typical level, with deals around $897.

📅 Best time to fly

February is historically the cheapest month to fly.

Historically, February is the cheapest month to fly from Washington, D.C. to Bangkok, with a median price of $660.

⏱️ Flight duration

Connecting flights average 57h 25m.

Flights from Washington, D.C. to Bangkok typically involve connecting flights, with a median duration of 57h 25m.

✈️ Airlines & availability

Frequent deals are available from various airlines.

Deals for this route are frequent, with an average of 1.03 deals per day historically.

🏆 Airline highlight

Etihad Airways offers deals on this route.

Etihad Airways has historically offered 71 deals for flights from Washington, D.C. to Bangkok.

🎯 Booking tip

Consider booking during cheaper months.

Historically, January, February, and May offer lower median prices for this route.

Washington, D.C. main airports to depart from

Washington Dulles International (IAD)

Cheapest

Washington Dulles International is a good option for flights from Washington, D.C. to Bangkok.

📍 ~40 km from Washington, D.C. (reachable by car or bus)

💸 Flights from ~$897

Baltimore–Washington International (BWI)

Baltimore–Washington International is an alternative departure airport for flights to Bangkok.

📍 ~50 km from Washington, D.C. (reachable by car or train)

💸 Flights from ~$1058

Ronald Reagan Washington National (DCA)

Ronald Reagan Washington National serves flights from Washington, D.C. to Bangkok.

📍 ~5 km from Washington, D.C. (reachable by car or metro)

💸 Flights from ~$953

Bangkok main airports to arrive at

Suvarnabhumi (BKK)

Cheapest

Suvarnabhumi Airport is a primary gateway to Bangkok, offering various international connections for travelers from Washington, D.C.

📍 ~25 km from Bangkok city center (reachable by car, train, or bus)

💸 Flights from ~$897

Don Mueang International (DMK)

Don Mueang International Airport serves as an alternative arrival point for flights to Bangkok from Washington, D.C.

📍 ~22 km from Bangkok city center (reachable by car or bus)

💸 Flights from ~$1142

Airports nearby Bangkok used as alternative

U-Tapao International (UTP)

Cheapest

U-Tapao International serves as a secondary gateway for the region with increasing international capacity.

📍 ~135 km from Bangkok (reachable by car)

💸 Flights from ~$1178

Hua Hin (HHQ)

Hua Hin is convenient for travelers located in the southern part of Bangkok with direct road and rail access.

📍 ~150 km from Bangkok (reachable by car)

💸 Flights from ~$1897

Trat (TDX)

Trat offers reliable domestic connections and is accessible by road within a few hours.

📍 ~230 km from Bangkok (reachable by car)

💸 Flights from ~$1335

Khon Kaen (KKC)

Khon Kaen is a major regional hub in Northeast Thailand with high frequency of domestic flights.

📍 ~400 km from Bangkok (reachable by car)

💸 Flights from ~$1518

Udon Thani International (UTH)

Udon Thani International is a large international-standard terminal with frequent daily connections to various domestic points.

📍 ~490 km from Bangkok (reachable by car)

💸 Flights from ~$1454

Business & First Class Flight Deals to Bangkok

Discover luxury on the budget with premium cabin class on flights from Washington, D.C. to Bangkok.

Elite

Best Elite deals to Bangkok

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From IAD

Elite

Jul 29

Bangkok, Thailand

93% AI deal score

$17,946

$12,341

Save $5,605

From IAD

Elite

Jul 21

Bangkok, Thailand

93% AI deal score

$18,458

$12,472

Save $5,986

From IAD

Elite

Aug 18

Bangkok, Thailand

93% AI deal score

$17,765

$12,599

Save $5,166

From IAD

Elite

Sep 01

Bangkok, Thailand

93% AI deal score

$19,245

$12,626

Save $6,619

From BWI

Elite

Oct 07

Bangkok, Thailand

92% AI deal score

$5,948

$4,194

Save $1,754

From IAD

Elite

Oct 03

Bangkok, Thailand

92% AI deal score

$6,555

$4,260

Save $2,295

From IAD

Elite

Aug 15

Bangkok, Thailand

91% AI deal score

$5,309

$3,975

Save $1,334

From IAD

Elite

Aug 15

Bangkok, Thailand

91% AI deal score

$5,309

$4,059

Save $1,250

From IAD

Elite

Aug 12

Bangkok, Thailand

91% AI deal score

$5,308

$4,059

Save $1,249

From IAD

Elite

Aug 23

Bangkok, Thailand

91% AI deal score

$5,394

$4,147

Save $1,247

From DCA

Elite

Aug 19

Bangkok, Thailand

91% AI deal score

$5,901

$4,256

Save $1,645

From DCA

Elite

Aug 19

Bangkok, Thailand

91% AI deal score

$5,901

$4,339

Save $1,562

From IAD

Elite

Jul 07

Bangkok, Thailand

91% AI deal score

$2,823

$2,281

Save $542

From IAD

Elite

Jul 07

Bangkok, Thailand

91% AI deal score

$2,839

$2,281

Save $558

From IAD

Elite

Jul 07

Bangkok, Thailand

91% AI deal score

$2,839

$2,282

Save $557

From IAD

Elite

Jul 07

Bangkok, Thailand

91% AI deal score

$2,816

$2,282

Save $534

From IAD

Elite

Aug 18

Bangkok, Thailand

90% AI deal score

$5,348

$4,141

Save $1,207

From IAD

Elite

Aug 22

Bangkok, Thailand

90% AI deal score

$5,356

$4,147

Save $1,209

From IAD

Elite

Aug 16

Bangkok, Thailand

90% AI deal score

$5,319

$4,195

Save $1,124

From IAD

Elite

Aug 18

Bangkok, Thailand

90% AI deal score

$5,348

$4,224

Save $1,124

From IAD

Elite

Aug 22

Bangkok, Thailand

90% AI deal score

$5,416

$4,231

Save $1,185

From IAD

Elite

Aug 23

Bangkok, Thailand

90% AI deal score

$5,467

$4,231

Save $1,236

From BWI

Elite

Aug 14

Bangkok, Thailand

90% AI deal score

$5,262

$4,233

Save $1,029

From IAD

Elite

Aug 30

Bangkok, Thailand

90% AI deal score

$5,515

$4,248

Save $1,267

From IAD

Elite

Aug 16

Bangkok, Thailand

90% AI deal score

$5,319

$4,279

Save $1,040

From IAD

Elite

Aug 21

Bangkok, Thailand

90% AI deal score

$5,355

$4,339

Save $1,016

From IAD

Elite

Aug 25

Bangkok, Thailand

90% AI deal score

$5,479

$4,393

Save $1,086

From IAD

Elite

Dec 08

Bangkok, Thailand

90% AI deal score

$6,558

$5,188

Save $1,370

From IAD

Elite

Sep 23

Bangkok, Thailand

90% AI deal score

$2,707

$2,272

Save $435

From IAD

Elite

Sep 07

Bangkok, Thailand

90% AI deal score

$2,734

$2,276

Save $458

From IAD

Elite

Oct 06

Bangkok, Thailand

90% AI deal score

$2,779

$2,289

Save $490

From IAD

Elite

Oct 05

Bangkok, Thailand

90% AI deal score

$2,778

$2,289

Save $489

From BWI

Elite

Sep 07

Bangkok, Thailand

90% AI deal score

$2,811

$2,309

Save $502

From IAD

Elite

Jul 16

Bangkok, Thailand

90% AI deal score

$2,843

$2,425

Save $418

From BWI

Elite

Nov 19

Bangkok, Thailand

90% AI deal score

$2,915

$2,465

Save $450

From IAD

Elite

Jul 12

Bangkok, Thailand

90% AI deal score

$2,879

$2,472

Save $407

From BWI

Elite

Aug 14

Bangkok, Thailand

89% AI deal score

$5,192

$4,317

Save $875

From IAD

Elite

Aug 25

Bangkok, Thailand

89% AI deal score

$5,497

$4,476

Save $1,021

From IAD

Elite

Nov 29

Bangkok, Thailand

89% AI deal score

$6,342

$5,210

Save $1,132

From IAD

Elite

Sep 01

Bangkok, Thailand

89% AI deal score

$2,680

$2,281

Save $399

From IAD

Elite

Jul 28

Bangkok, Thailand

89% AI deal score

$2,878

$2,483

Save $395

From IAD

Elite

Jul 07

Bangkok, Thailand

89% AI deal score

$2,864

$2,485

Save $379

From IAD

Elite

Jul 02

Bangkok, Thailand

89% AI deal score

$2,823

$2,487

Save $336

From IAD

Elite

Jun 25

Bangkok, Thailand

89% AI deal score

$2,837

$2,490

Save $347

From IAD

Elite

Dec 01

Bangkok, Thailand

88% AI deal score

$6,557

$5,428

Save $1,129

From IAD

Elite

Jun 23

Bangkok, Thailand

88% AI deal score

$2,833

$2,502

Save $331

From IAD

Elite

Jul 21

Bangkok, Thailand

88% AI deal score

$2,846

$2,515

Save $331

From IAD

Elite

Jul 24

Bangkok, Thailand

88% AI deal score

$2,871

$2,517

Save $354

From DCA

Elite

Nov 03

Bangkok, Thailand

87% AI deal score

$7,072

$5,500

Save $1,572

From DCA

Elite

Nov 27

Bangkok, Thailand

87% AI deal score

$7,118

$5,530

Save $1,588

From DCA

Elite

Nov 27

Bangkok, Thailand

87% AI deal score

$7,118

$5,530

Save $1,588

From DCA

Elite

Nov 27

Bangkok, Thailand

87% AI deal score

$7,118

$5,530

Save $1,588

From DCA

Elite

Nov 27

Bangkok, Thailand

87% AI deal score

$7,118

$5,530

Save $1,588

From DCA

Elite

Nov 27

Bangkok, Thailand

87% AI deal score

$7,118

$5,530

Save $1,588

From DCA

Elite

Nov 27

Bangkok, Thailand

87% AI deal score

$7,118

$5,530

Save $1,588

From DCA

Elite

Nov 28

Bangkok, Thailand

87% AI deal score

$7,126

$5,530

Save $1,596

From DCA

Elite

Nov 28

Bangkok, Thailand

87% AI deal score

$7,126

$5,530

Save $1,596

From DCA

Elite

Nov 28

Bangkok, Thailand

87% AI deal score

$7,126

$5,530

Save $1,596

From DCA

Elite

Nov 28

Bangkok, Thailand

87% AI deal score

$7,126

$5,530

Save $1,596

From DCA

Elite

Nov 28

Bangkok, Thailand

87% AI deal score

$7,126

$5,530

Save $1,596

From DCA

Elite

Nov 28

Bangkok, Thailand

87% AI deal score

$7,126

$5,530

Save $1,596

From DCA

Elite

Nov 29

Bangkok, Thailand

87% AI deal score

$7,098

$5,530

Save $1,568

From DCA

Elite

Nov 29

Bangkok, Thailand

87% AI deal score

$7,126

$5,530

Save $1,596

From DCA

Elite

Nov 29

Bangkok, Thailand

87% AI deal score

$7,126

$5,530

Save $1,596

From DCA

Elite

Nov 29

Bangkok, Thailand

87% AI deal score

$7,126

$5,530

Save $1,596

From DCA

Elite

Nov 29

Bangkok, Thailand

87% AI deal score

$7,126

$5,530

Save $1,596

From DCA

Elite

Nov 29

Bangkok, Thailand

87% AI deal score

$7,126

$5,530

Save $1,596

From DCA

Elite

Nov 30

Bangkok, Thailand

87% AI deal score

$7,116

$5,530

Save $1,586

From DCA

Elite

Nov 30

Bangkok, Thailand

87% AI deal score

$7,053

$5,530

Save $1,523

From DCA

Elite

Nov 30

Bangkok, Thailand

87% AI deal score

$7,081

$5,530

Save $1,551

From DCA

Elite

Nov 30

Bangkok, Thailand

87% AI deal score

$7,081

$5,530

Save $1,551

From DCA

Elite

Nov 30

Bangkok, Thailand

87% AI deal score

$7,081

$5,530

Save $1,551

From DCA

Elite

Nov 03

Bangkok, Thailand

86% AI deal score

$7,030

$5,500

Save $1,530

From DCA

Elite

Jul 19

Bangkok, Thailand

86% AI deal score

$6,979

$5,530

Save $1,449

From DCA

Elite

Nov 01

Bangkok, Thailand

86% AI deal score

$7,092

$5,530

Save $1,562

From DCA

Elite

Nov 01

Bangkok, Thailand

86% AI deal score

$7,044

$5,530

Save $1,514

From DCA

Elite

Nov 01

Bangkok, Thailand

86% AI deal score

$7,093

$5,530

Save $1,563

From DCA

Elite

Nov 01

Bangkok, Thailand

86% AI deal score

$7,090

$5,530

Save $1,560

From DCA

Elite

Nov 01

Bangkok, Thailand

86% AI deal score

$7,088

$5,530

Save $1,558

From DCA

Elite

Nov 02

Bangkok, Thailand

86% AI deal score

$7,078

$5,530

Save $1,548

From DCA

Elite

Nov 02

Bangkok, Thailand

86% AI deal score

$7,086

$5,530

Save $1,556

From DCA

Elite

Nov 02

Bangkok, Thailand

86% AI deal score

$7,044

$5,530

Save $1,514

From DCA

Elite

Nov 02

Bangkok, Thailand

86% AI deal score

$7,093

$5,530

Save $1,563

From DCA

Elite

Nov 02

Bangkok, Thailand

86% AI deal score

$7,087

$5,530

Save $1,557

From DCA

Elite

Nov 02

Bangkok, Thailand

86% AI deal score

$7,084

$5,530

Save $1,554

From DCA

Elite

Nov 03

Bangkok, Thailand

86% AI deal score

$7,096

$5,530

Save $1,566

From DCA

Elite

Nov 03

Bangkok, Thailand

86% AI deal score

$7,109

$5,530

Save $1,579

From DCA

Elite

Jul 17

Bangkok, Thailand

85% AI deal score

$6,832

$5,530

Save $1,302

From DCA

Elite

Jul 17

Bangkok, Thailand

85% AI deal score

$6,826

$5,530

Save $1,296

From DCA

Elite

Jul 17

Bangkok, Thailand

85% AI deal score

$6,826

$5,530

Save $1,296

From DCA

Elite

Jul 18

Bangkok, Thailand

85% AI deal score

$6,838

$5,530

Save $1,308

From DCA

Elite

Jul 18

Bangkok, Thailand

85% AI deal score

$6,826

$5,530

Save $1,296

From DCA

Elite

Jul 18

Bangkok, Thailand

85% AI deal score

$6,825

$5,530

Save $1,295

From DCA

Elite

Jul 18

Bangkok, Thailand

85% AI deal score

$6,809

$5,530

Save $1,279

From DCA

Elite

Jul 18

Bangkok, Thailand

85% AI deal score

$6,826

$5,530

Save $1,296

From DCA

Elite

Jul 19

Bangkok, Thailand

85% AI deal score

$6,838

$5,530

Save $1,308

From DCA

Elite

Jul 19

Bangkok, Thailand

85% AI deal score

$6,832

$5,530

Save $1,302

From DCA

Elite

Jul 19

Bangkok, Thailand

85% AI deal score

$6,825

$5,530

Save $1,295

From DCA

Elite

Jul 19

Bangkok, Thailand

85% AI deal score

$6,826

$5,530

Save $1,296

From IAD

Elite

Jul 14

Bangkok, Thailand

83% AI deal score

$5,939

$5,244

Save $695

Frequently Asked Questions About Flights to Bangkok

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can often reveal better deals. Setting up price alerts may also help you catch drops in fare.

Booking flights in advance, often several months out, can sometimes lead to lower prices. However, last-minute deals can occasionally appear, so it's wise to monitor prices. The ideal booking time can vary based on demand and other factors.

Yes, comparing flights from nearby airports can often provide more options and potentially lower fares. Sometimes, flying from or to a slightly more distant airport can result in significant savings. It's recommended to check all available departure and arrival points.

Related routes

Consider alternative routes from Washington, D.C.

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