United's Polaris Business Class offers lie-flat seats and Saks Fifth Avenue bedding for comfort.
United's Premium Plus offers extra legroom, upgraded meals, and priority check-in on international routes.

Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $296 (CheapOair) |
One-way from | $148 (FlightHub) |
Popular in | April |
Cheapest in | September |
Average price | $412 |
Good round-trip deal | $326 or less |
Good one-way deal | $244 or less |
Fly from
Fly to
Route
Depart
Return
Price
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Mon 12/1
7:05 pm-12:00 pm
1 stop14h 55m
Tokyo Narita
Mon 12/8
1:55 pm-2:20 pm
1 stop26h 25m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Mon 12/1
10:35 pm-6:20 am
Nonstop5h 45m
Tokyo Narita
Mon 12/8
5:00 pm-10:15 pm
Nonstop7h 15m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Thu 1/22
12:20 pm-7:00 am
1 stop16h 40m
Tokyo Narita
Fri 1/30
9:30 am-5:55 pm
1 stop10h 25m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Wed 12/17
7:30 pm-6:00 pm
1 stop20h 30m
Tokyo Narita
Mon 12/22
7:00 pm-11:10 am
1 stop18h 10m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Wed 2/11
11:50 pm-8:10 pm
1 stop18h 20m
Tokyo Narita
Wed 2/18
2:45 pm-11:00 pm
2 stops34h 15m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Tue 2/3
11:50 pm-8:10 pm
1 stop18h 20m
Tokyo Narita
Sat 2/14
2:00 pm-11:00 pm
1 stop11h 00m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Wed 2/11
11:50 pm-8:10 pm
1 stop18h 20m
Tokyo Narita
Fri 2/20
9:30 am-11:00 pm
1 stop15h 30m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Mon 2/9
11:50 pm-12:55 pm
1 stop11h 05m
Tokyo Narita
Thu 2/19
9:30 am-11:00 pm
1 stop15h 30m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Thu 2/12
11:50 pm-8:10 pm
1 stop18h 20m
Tokyo Narita
Thu 2/19
9:30 am-11:00 pm
1 stop15h 30m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Sun 2/8
9:35 pm-10:25 am
1 stop10h 50m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Bangkok Suvarnabhumi Airport to Tokyo Narita Airport, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, August is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Tokyo Narita Airport (average of $229). Flying from Bangkok Suvarnabhumi Airport to Tokyo Narita Airport in April is currently the most expensive (average of $314). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Bangkok Suvarnabhumi Airport to Tokyo Narita Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 75% versus a flight in the morning.
About 17% of weekly flights between Bangkok and Tokyo have experienced delays in the past year, with the average delay time being 103 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Japan Airlines have had the lowest number of delays on this route, with just 5% of flights being delayed.
Shanghai (PVG) – chosen by Cheapflights users on 62% of 1-stop itineraries from Bangkok Suvarnabhumi Airport to Tokyo Narita Airport on Cheapflights.
Flights via Hong Kong (HKG) have the shortest average one-way travel time for 1-stop routes: 9h 15m.
Flights via Hong Kong (HKG) have the shortest average one-way travel time for 1-stop routes: 9h 15m.
Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average layover time of 1h 40m.
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Joe,Jun 2025
BKK - TPE
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Joe,Jun 2025
BKK - TPE
Crew
Comfort
Entertainment
Overall
Boarding
Food
Reviews
Joe,Jun 2025
BKK - TPE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$253 | Average$426 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$256 | Average$291 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$257 | Average$380 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$267 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$399 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$390 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$302 | Average$373 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$342 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$503 | Average$567 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$512 | Average$579 | FlexibilityNo cancel fee | On-time80% |