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Ontario to Bangkok

  • ONT, United States – BKK, Thailand
  • Delta, Korean Air
  • Economy
Bangkok

Photo: Robby McCullough / Unsplash

$763
Round trip, in USD
via Adam Vacations · travel agency
Korean Air direct: $798
Checked
One ticket on more than one airline.
About usual: fares on this route are usually $757 to $876. The lowest we saw in the past year was $746 (43 sightings).
DepartsFeb 22, 2027
ReturnsMar 2, 2027

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$0.05
Cost per mile
16,572
Miles

Flight segments

ONT to SEA · DL · DL 3816
SEA to ICN · KE · KE 42
ICN to BKK · KE · KE 651
BKK to ICN · KE · KE 654
ICN to SEA · KE · KE 41
SEA to ONT · DL · DL 4031

Hotels in Bangkok

Feb 22 – Mar 2 · 8 nights

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Available dates

Prices in USD.

Oldest price check:

Available flight dates and booking prices
Departs Returns Airline Price Checked Booking link
Jan 25, 2027 Feb 2, 2027 Delta, Korean Air $763 Lowest View flights
Feb 8, 2027 Feb 16, 2027 Delta, Korean Air $792 View flights
Feb 22, 2027 Mar 2, 2027 Delta, Korean Air $763 Lowest View flights
Mar 3, 2027 Mar 11, 2027 Delta, Korean Air $842 View flights

This is an economy deal to Bangkok from Ontario on Delta, Korean Air for Feb 22, 2027 – Mar 2, 2027.

Priced at $763 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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