Cheap flights from Illinois to Bangkok from $355
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Bangkok departing on 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Illinois to Bangkok
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Bangkok?
If you aren’t able to travel during the month of September, then book flights to Bangkok from Illinois during March instead. Flights to Bangkok in March, while not as cheap as those in September, still average around $924.
What is the cheapest day to depart on your flight to Bangkok?
On average, the least expensive day to fly to Bangkok from Illinois is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $995. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Illinois to Bangkok on a Saturday will generally be more expensive and average around $1,268. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Bangkok?
According to our data, the cheapest time of day to fly to Bangkok is at noon. momondo users have found flights departing from Illinois to Bangkok at noon for as low as $964. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $1,146. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Bangkok?
You are more likely to see cheaper flights to Bangkok from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,100 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from Illinois for as low as $955 on momondo.
What is the cheapest airline that flies from Illinois to Bangkok?
Cathay Pacific, Korean Air, and Air India are the most popular carriers operating from Illinois to Bangkok
What airlines fly to Bangkok?
EVA Air, ANA and Cathay Pacific are the top three most popular airlines that fly to Bangkok from Illinois according to our data. EVA Air is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 17 different airlines that fly to Bangkok on a routine basis, so you have a few additional options to choose from.
Cheap Illinois to Bangkok flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Bangkok
When did momondo last update prices for flights from Illinois to Bangkok?
Prices for flights from Illinois to Bangkok are updated daily.
How many operators does momondo search for flights from Illinois to Bangkok?
There are 17 operators available for flights from Illinois to Bangkok as of June 2025.
How old do you have to be to fly from Illinois to Bangkok?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Bangkok.
What documentation or ID do you need to fly to Bangkok?
The required travel and health documents for your Bangkok trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bangkok. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Illinois to Bangkok
Compare and see reviews for airlines that fly from Illinois to Bangkok with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $503 | Free Cancellation | Rating 8.1 3,274 reviews | |||
| PriceFrom $707 | Free Cancellation | Rating 8.3 1,505 reviews | |||
| PriceFrom $729 | Free Cancellation | Rating 5.5 2,918 reviews | |||
| PriceFrom $766 | Free Cancellation | Rating 8.3 887 reviews | |||
| PriceFrom $773 | Free Cancellation | Rating 8.4 1,094 reviews | |||
| PriceFrom $795 | Free Cancellation | Rating 7.6 905 reviews | |||
| PriceFrom $800 | Free Cancellation | Rating 7.3 3,875 reviews | |||
| PriceFrom $823 | Free Cancellation | Rating 7.4 8,840 reviews | |||
| PriceFrom $824 | Free Cancellation | Rating 7.4 1,221 reviews | |||
| PriceFrom $893 | Free Cancellation | Rating 6.8 478 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Bangkok?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Bangkok. momondo saves you time and could save you money on your trip.
Can I find flights from Illinois to Bangkok with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Illinois to Bangkok flights to just show those with flexible booking policies.
How can momondo help me find flights from Illinois to Bangkok?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Bangkok.
I’m not ready to book a flight from Illinois to Bangkok right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Illinois to Bangkok flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.