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 | $297 (Gotogate) |
One-way from | $146 (Trip.com) |
Popular in | April |
Cheapest in | September |
Average price | $406 |
Good round-trip deal | $387 or less |
Good one-way deal | $262 or less |
Fly from
Fly to
Route
Depart
Return
Price
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Mon 5/25
6:05 pm-7:35 am
1 stop11h 30m
Tokyo Narita
Fri 5/29
9:00 am-5:05 pm
1 stop10h 05m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Fri 5/8
6:05 pm-7:35 am
1 stop11h 30m
Tokyo Narita
Sat 5/16
9:00 am-5:05 pm
1 stop10h 05m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Tue 5/19
6:05 pm-7:35 am
1 stop11h 30m
Tokyo Narita
Sun 5/24
9:00 am-5:05 pm
1 stop10h 05m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Wed 5/27
6:05 pm-7:35 am
1 stop11h 30m
Tokyo Narita
Tue 6/2
9:00 am-5:05 pm
1 stop10h 05m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Fri 6/12
6:05 pm-7:35 am
1 stop11h 30m
Tokyo Narita
Sat 6/20
9:00 am-5:05 pm
1 stop10h 05m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Wed 2/25
12:50 am-12:25 pm
1 stop9h 35m
Tokyo Narita
Fri 3/6
8:55 am-2:30 pm
Nonstop7h 35m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Fri 1/16
3:15 am-6:00 pm
1 stop12h 45m
Tokyo Narita
Sun 1/25
7:00 pm-11:10 am
1 stop18h 10m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Fri 1/16
12:10 pm-6:00 pm
1 stop27h 50m
Tokyo Narita
Fri 1/23
7:00 pm-6:30 pm
1 stop25h 30m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Sat 1/17
12:10 pm-6:00 pm
1 stop27h 50m
Tokyo Narita
Fri 1/23
7:00 pm-6:30 pm
1 stop25h 30m
BangkokTokyo
BKK - NRT
BKKNRT
Bangkok Suvarnabhumi
Tue 2/24
11:55 pm-7:55 am
Nonstop6h 00m
Tokyo Narita
Mon 3/2
1:50 pm-11:55 pm
1 stop12h 05m
| 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*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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, June is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Tokyo Narita Airport (average of $215). Flying from Bangkok Suvarnabhumi Airport to Tokyo Narita Airport in April is currently the most expensive (average of $313). 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 decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 18% of weekly flights between Bangkok and Tokyo have experienced delays in the past year, with the average delay time being 104 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 50% of 1-stop itineraries from Bangkok Suvarnabhumi Airport to Tokyo Narita Airport on Cheapflights.
Shanghai (PVG) is the most affordable 1-stop option, with an average round-trip price of $303.
Flights via Shanghai (PVG) have the shortest average one-way travel time for 1-stop routes: 9h 05m.
Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average layover time of 1h 40m.
Entertainment
Comfort
Crew
Food
Boarding
Overall
Reviews
Anonymous,Nov 2025
BKK - NRT
Entertainment
Comfort
Crew
Food
Boarding
Overall
Reviews
Anonymous,Nov 2025
BKK - NRT
Entertainment
Comfort
Crew
Food
Boarding
Overall
Reviews
Anonymous,Nov 2025
BKK - NRT
Entertainment
Comfort
Crew
Food
Boarding
Overall
Reviews
Anonymous,Nov 2025
BKK - NRT
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$256 | Average$291 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$257 | Average$365 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$268 | Average$381 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$270 | Average$404 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$293 | Average$411 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$379 | Average$566 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$476 | Average$566 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$512 | Average$570 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$524 | Average$640 | FlexibilityNo cancel fee | On-time77% |