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Ontario to Bangkok

  • ONT, United States – BKK, Thailand
  • Delta, Korean Air
  • Economy
Bangkok
$786
Round trip, in USD
DepartsJan 13, 2027
ReturnsJan 28, 2027
$0.05
Cost per mile
16,572
Miles

Flight segments

ONT to SEA · Delta · DL 3816
SEA to ICN · Korean Air · KE 42
ICN to BKK · Korean Air · KE 659

Available dates

Prices in USD. Each option opens its own dates on Google Flights.

Oldest price check:

Available flight dates and booking prices
Departs Returns Airline Price Checked Booking link
Jan 11, 2027 Jan 26, 2027 — $888 View flights
Jan 12, 2027 Jan 27, 2027 — $888 View flights
Jan 13, 2027 Jan 28, 2027 Delta, Korean Air $786 Lowest View flights
Jan 14, 2027 Jan 29, 2027 — $836 View flights
Jan 15, 2027 Jan 30, 2027 — $902 View flights

This is an economy deal to Bangkok from Ontario on Delta, Korean Air for Jan 13, 2027 – Jan 28, 2027.

Priced at $786 round trip. The route covers 16,572 miles round trip.

Bangkok is one of Asia’s most compelling cities for travelers, a place where gilded temples, buzzing street life, and contemporary style coexist on the same block. The Thai capital offers a vivid mix of history and modern energy, from the ornate Grand Palace and Wat Phra Kaew to the riverside calm of Wat Arun and the canals and markets that hint at the city’s older rhythm. For first-time visitors, neighborhoods such as Rattanakosin, riverside Bangkok, Sukhumvit, Silom, and the creative pockets around Ari and Bang Rak each reveal a different side of the city, whether you’re drawn to heritage, nightlife, shopping, or a more local neighborhood feel.

The most comfortable time to visit is typically the cool, dry season from November to February, when temperatures are more manageable and outdoor exploring is easier. Bangkok remains lively year-round, but the hot season can be intense, and the rainy season brings frequent showers that are often brief but heavy. Food is a major part of the city’s appeal: from fragrant bowls of boat noodles and green curry to mango sticky rice and late-night street snacks, Bangkok is one of the world’s great eating destinations. Its culture is equally rich, shaped by Buddhist traditions, river-based history, and a fast-moving urban present that makes the city feel both timeless and constantly in motion.

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