Cheap flights from Boston to Tokyo
The cheapest round trip from Boston to Tokyo that travelers found recently is $910 with a carry-on: a $910 fare on Alaska Airlines, which usually includes a carry-on. It leaves Mon, Feb 1 and comes back Sat, Feb 6.
Live prices for Mon, Feb 1 to Sat, Feb 6
Cheapest trips travelers found recently
| Leave | Return | Airline | Airports | Stops | Fare | Carry-on (est.) | Total | Live prices |
|---|---|---|---|---|---|---|---|---|
| Mon, Feb 1 | Sat, Feb 6 | Alaska Airlines | BOS → NRT | 1 stop | $910 | Included | $910 | Live price |
| Mon, Jun 7 | Thu, Jun 17 | Qatar Airways | BOS → NRT | 1 stop | $1,262 | Included | $1,262 | Live price |
| Thu, Nov 19 | Sun, Nov 29 | Cathay Pacific | BOS → NRT | 2 stops | $1,728 | Included | $1,728 | Live price |
Round-trip prices per person, from real fares travelers found in the last few days. Carry-on fees are our estimate for each airline, both ways. Prices change fast: check the live price before you book.
Cheapest month to fly
| Month | Cheapest trip | From | Live prices |
|---|---|---|---|
| November 2026 | Thu, Nov 19 to Sun, Nov 29, 10 nights | $1,728 | Live price |
| February 2027 | Mon, Feb 1 to Sat, Feb 6, 5 nights | $910 | Live price |
| June 2027 | Mon, Jun 7 to Thu, Jun 17, 10 nights | $1,262 | Live price |
Bag fees on this route
What the airlines flying Boston to Tokyo usually charge for one bag each way. Budget airlines often sell the cheapest fares and charge the most for bags, so compare the total, not the fare.
| Airline | Carry-on, each way | Checked bag, each way |
|---|---|---|
| Alaska Airlines | Included | Included |
| Cathay Pacific | Included | Included |
| Qatar Airways | Included | Included |
Our estimates: fees depend on the fare type and when you pay. Check the airline's own price when you book.
How these prices work
These are real round-trip fares that travelers found on Aviasales recently, not a live search, so they can change or sell out. Dipt adds an estimate of each airline's carry-on fee, so a cheap fare with expensive bags doesn't look cheaper than it is. "Live price" opens Dipt's live flight search for those dates, where you book with the airline or travel site you pick. Dipt may earn a commission when you book, at no extra cost to you (how Dipt makes money).
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