$2,608 Cheap Swiss International Air Lines flights Washington (IAD) to Bangkok (BKK)

View $2,608 flight on Fri, Sep 4, 2026Opens in a new window

$2,608 Cheap Swiss International Air Lines flights Washington (IAD) to Bangkok (BKK)

Prices were available within the past 7 days and start at $2,608 for one-way flights and $1,478 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Wed, Apr 22 - Tue, Jun 30
IAD
Washington
BKK
Bangkok
$1,478 Roundtrip, found 2 days ago
$1,478
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Wed, Apr 22 from Washington to Bangkok, returning Tue, Jun 30, priced at $1,478 found 2 days ago

Find the cheapest month to fly from Washington (IAD) to Bangkok (BKK)

March is typically the cheapest month to fly

From $781 - $1,663 per traveler.

Alternative airports near Bangkok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Suvarnabhumi Intl. BKK. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $1,274
BKK
Suvarnabhumi Intl.
Cheapest
Average driving time to city center23 min
Flights from $1,274
Flights from Washington (IAD) to Bangkok (BKK)
Origin airport
Washington Dulles Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, All Nippon Airways, American Airlines, Austrian Airlines, British Airways, Delta, Emirates, Etihad Airways, JetBlue Airways, KLM, Korean Air, Lufthansa, Qatar Airways, STARLUX Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines, United
Popular airline
Swiss International Air Lines
Distance
14075 km