$363 Find Cheap Flights from Ontario to Thailand - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Thailand

Cheapest round-trip prices found by our users on KAYAK in the last 5 days
Phuket City
Phuket City2 stops$886
Chiang Mai
Chiang Mai2 stops$739
Krabi
Krabi2 stops$1,099
Phuket City
Phuket City2 stops$886
Chiang Mai
Chiang Mai2 stops$739
Krabi
Krabi2 stops$1,099
Booking Insights

Price, demand and travel trends for Ontario to Thailand flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Are flights from Ontario to Thailand cheaper or more expensive than last year?

Fares from Ontario to Thailand are running about the same as they were around this time last year, averaging $913 round-trip.

What are the cheapest fares from Ontario to Thailand right now?

Here are the cheapest round-trip fares from Ontario to Thailand on KAYAK in the last week:

• Chiang Mai (CNX) from $739
• Bangkok Suvarnabhumi (BKK) from $836
• Krabi (KBV) from $1,099

What’s the cheapest month to fly from Ontario to Thailand?

January is the cheapest time of year to fly, with average fares of $774. Prices are highest in June, when average flight costs increase to around $1,524.

When is the best time to book flights from Ontario to Thailand?

Book your flights 15 weeks before your trip. KAYAK data collected over the past 12 months shows that booking in this window can save you around 11% compared to booking last-minute (within 2 weeks of departure).

Which airport in Thailand is the cheapest to fly to from Ontario?

Based on KAYAK data from the past 12 months, the cheapest airports to fly into Thailand are:

• Bangkok Suvarnabhumi (BKK) from $866
• Krabi (KBV) from $1,087
• Chiang Mai (CNX) from $1,119

What’s the cheapest day to fly from Ontario to Thailand?

Monday tends to be the cheapest day to fly from Ontario to Thailand, while Thursday is the most expensive. Fares run about 24% higher that day, based on the past 12 months of KAYAK data.

What's the cheapest time of day to fly from Ontario to Thailand?

Data from the past 12 months shows it's cheapest to fly to Thailand during the morning with average prices of $751. The afternoon is the most expensive time to fly, with average prices of $2,282.

Key details for Ontario to Thailand flights

Low season

July

Cheapest flight

$363
Beat the crowds with an average 40% drop in travelers.
The most popular month to fly with an average 52% increase in travelers.
One-way flight from Ontario to Bangkok Suvarnabhumi Airport

Your Ontario to Thailand flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Is now a good time to book a flight from Ontario to Thailand?

    Yes. Fares from Ontario to Thailand are low right now. As a rule of thumb, a round-trip under $777 (cheaper than most fares this year) is a good deal, so if you spot one at or below that, it's a good time to book.

  • How much should I budget for a flight from Ontario to Thailand?

    Over the past 12 months, round-trip fares from Ontario to Thailand have ranged from $777 to $1,115.

  • What are the main airports serving Thailand?

    Thailand has 33 airports. The three busiest are Bangkok Suvarnabhumi (BKK) (94% of arrivals), Chiang Mai (CNX) (5%) and Krabi (KBV) (2%).

  • What airlines fly nonstop from Ontario to Thailand?

    Based on the flight schedule for the next 3 months, no airline regularly operates nonstop flights from Ontario to Thailand. One-stop options include China Airlines and STARLUX Airlines.

  • Which cabin classes are available on flights from Ontario to Thailand?

    On flights from Ontario to Thailand you can book Economy Class, Premium Economy Class, Business Class or First Class.

  • What are some popular landmarks in Thailand?

    KAYAK travelers' favorite landmarks in Thailand include:

    • Lamai Beach
    • Pratunam
    • Chaweng Beach
    • Phuket Old Town

Your guide to booking Ontario to Thailand flights

Get tips on when to book, when to fly and what to know before your trip.
  • If you can plan ahead, the sweet spot for booking your flight is 15 weeks before your trip. KAYAK data shows fares in this window are around 11% lower than last-minute bookings (made within 2 weeks of departure). Not ready to commit? Set a Price Alert and we'll let you know when prices change.
  • If your travel dates are flexible, book your trip for January when flights are typically cheapest and avoid June when prices are at their highest.
  • Flying on Monday is usually the cheapest. Flights on Thursday cost about 24% more on average, so being flexible with your travel dates could help you save.
  • If you're looking to save, Bangkok Suvarnabhumi (BKK) is the cheapest airport to fly into from Ontario. If you have onward travel, don't forget to factor in the cost of your journey by train, bus or domestic flight.
  • Start your trip in Bangkok, which is the most popular destination in Thailand. From there, it's easy to continue on to other popular destinations such as Pattaya, Phuket City and Chiang Mai.

Reviews of the top 4 airlines serving from Ontario to Thailand

 
Need help choosing which airline to fly with from Ontario to Thailand? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.7
STARLUX AirlinesOverall score based on 400 reviews
8.8Boarding
9.1Crew
8.7Entertainment
8.6Food
8.8Comfort
Airline reviews

Hostesses were very nice I am disappointed that I paid extra 900$for premium economy which wasn't much upgraded from regular economy, I have wasted my money on this trip 😫

6.0 GoodAnonymous, May 2026
Read more STARLUX Airlines reviews

Hostesses were very nice I am disappointed that I paid extra 900$for premium economy which wasn't much upgraded from regular economy, I have wasted my money on this trip 😫

love this boutique luxury airline. crew was nice and attentive. Lounge is too small , i think they should have more area for relaxing and lounging not just to sit and eat .. feels like a cafeteria more than a lounge. overall i enjoy it. food on the plane LAX to Teipei should inprove a bit. no flavor and more drinks pls

Overall it’s good . However the food quality can be improved .

My luggage was forced open and broke the zipper. I received it in a huge STARLUX plastic bag. Unfortunately, I have a round trip ticket but might be my first and last with this airline

Flight cancelled due to inclement weather yet rival airline EVA Air with the same route departed 2 hours later and landed safely while our flight was cancelled and rescheduled for 36 hours later.

The crew could have been kinder and less pushy. The premium economy seats don't have enough cushion. The seats are to hard and the flight became painful and uncomfortable after an hour of flying.

Our transit in Taipei was disappointing. The ground crew could not tell us where the lounge was located, so we wasted 15 minutes trying to find it. The airline has a great review, but our experience says otherwise.

I thought all the while when I booked my flight I am entitled to check- in 2 luggages of 23 Kg each only to find out that the ticket I purchased online entitle me for only one luggage. I have been traveling for over 20 years and this is the first experience to such… so frustrating.

I was pleasantly happy with this airline, which is new to me. The crew was attentive and the seats felt better than most other economy. There was plenty of bin space. Glad I got to pick the seat I had(based on distance from baby image on seat map).

The plane is very clean. The selection of movies is excellent!

The crew was great. There was no wifi The cabin temperature got very hot Seat was uncomfortable

Lousy entertainment system. Crews are excellent. Meal is just mediocre.

They did an excellent job helping me with a wheelchair. I couldn’t have asked for any better help.

long flights are difficult but the crew and amenities made it a very good experience

Good. Obviously there is a slightly condescending attitude of all American workers towards their customers but other than that all good.

It was a great experience in all aspects including passengers are respectful to each other. I will consider to fly with Korean Air again in the future.

Excellent service, love the extra amenities (water bottles, blankets, etc.).

They had the same movie choice as my previous flight, not much of a choice, movies were not up to date, music was uninteresting. Other than sitting on the ground for 40 minutes after boarding the plane, with pilot telling us that they couldn't load the plane because of rain, (bullshit) We finally got into Bangkok of course 40 minutes late.

After the gauntlet of unnecessary security, and the two mile jog to make the flight, the flight was delayed 20 minutes on the ground for takeoff.. However, once in the air, the crew gave its usual excellent service.

They destroyed my Michael Kors Carryon luggage, they didn’t announce that only check in the carry on and when we get inside a couple of room to put the carry on bag. I was disappointed and sad because of the damaged of my luggage. They should replace it or fixed it.

We were not sat together for the longeset duration of our travel very uncomfortable didnt enjoy that they fed us at 2 am

I love my Delta crew, they were so welcoming and helpful.

Better organization of boarding procedures. Terrible leadership guiding people to gates.

I did not take the flight, tried to cancel it right after I booked it, but was unable to reach anyone. I blame Kayak for this situation because they sent the booking through another company and I was unable to get anyone to talk to me about the situation. I had to just take the hit and pay for another flight through Cathay Pacific, which was wonderful. I will never use Kayak again. (I bet they don’t post this review!) I’ll just post about them on social media sites. I don’t want anyone to have to go through the hassle and expense I dealt with.

Unable to set seat assignment. Got a call from presumably “China airlines representative” but was asking for an exorbitant amount for the seat assignment. Was traveling as a family end up being assigned to different seats as a result. Will never use underpricer again.

Not many selections for entertainment. Bulk head seats are no longer available with out fee at the counter. That’s pretty lame.

I would have liked to know how to order a special meal (for medical purposes) before the flight.

Ask flight attendant for water during flight and she was a little rude get the water.

For a long-haul flight, the crew did a very good job of keeping the lavatories clean and the aisles clear.

The check-in crew at SF did not put on breakable glass stickers on check-in baggages which caused my antique whisky bottle to break during transportation.

Rude staff from baggage check to gate crew. Poor instructions. Inconsistent application of baggage rules.

Requested an aisle seat at the gate and got it. The staff so friendly

Had to deplane 2 x due to problems with plane. Delayed over 6 hours ans was given a $12 food credit which barely oaud for anything and limited to wear incoukd redeem.

more room in seats, larger snacks, more comms with delays

Gate agent and flight attendants were efficient, but more stern than warm.

It was a great flight and the stewards and stewardess were all kind and accommodating!! The seats were comfortable and entertainment screen excellent!

737-800 in first class was pretty dumpy. Seat had an uncomfortable angle, storage under the seat was blocked so even my very modest backpack didn't fit, power outlet was flaky. Weird tiny seat pockets that couldn't hold a gallon ziploc bag, emesis bag missing, etc. etc. No in-flight service due to turbulence. Crew was excellent, boarding was smooth despite a full flight.

The flight was overbooked and the staff at the gate started calling for volunteers to drop out and offering incentives. That delayed the flight

There was no wifi even after my husband paid for wifi it wasn’t working. The plane looked and felt old.

Update the cabin with tv screens or at least music sources.

More options for your flight from Ontario to Thailand

Complete your trip to Thailand with a hotel stay or car rental