FlexTrip Alerts

Flight price alerts: San Francisco → Tokyo

Sample round trips on this route start around EUR 483; October 2026 is often the cheapest month in our next-3-month window. FlexTrip Alerts is a free email service — set flexible travel dates and a max price, and we notify you when a round trip fits. We check fares about four times per day; we do not sell tickets.

Set a free tracker with flexible dates and your max price. We email you only when a round trip fits.

Sample fares from EUR 483. Cheapest month in our next-3-month sample: October 2026.

Set an alert and we email you when a round trip drops under your limit.

Set a price alert

Round trips on this route

Cheapest-seen sample fares (next 3 months) — confirm the final price on the booking site when you click through.

Last updated .

  • Round trip · 8 nights
    Tue 13 Oct · 13:00
    Return Wed 21 Oct · 18:30

    EUR 483

    See deal
  • Round trip · 15 nights
    Tue 10 Nov · 22:40
    Return Wed 25 Nov · 14:10

    EUR 567

    See deal
  • Round trip · 12 nights
    Wed 04 Nov · 15:20
    Return Mon 16 Nov · 21:25

    EUR 690

    See deal
  • Round trip · 15 nights
    Fri 30 Oct · 16:20
    Return Sat 14 Nov · 21:25

    EUR 730

    See deal
  • Round trip · 9 nights
    Mon 05 Oct · 16:45
    Return Wed 14 Oct · 21:30

    EUR 829

    See deal
  • Round trip · 7 nights
    Mon 05 Oct · 16:45
    Return Mon 12 Oct · 21:30

    EUR 877

    See deal
  • Round trip · 8 nights
    Sat 17 Oct · 13:00
    Return Sun 25 Oct · 21:35

    EUR 895

    See deal
  • Round trip · 6 nights
    Wed 07 Oct · 16:45
    Return Tue 13 Oct · 21:30

    EUR 915

    See deal
  • Round trip · 7 nights
    Sun 22 Nov · 22:40
    Return Sun 29 Nov · 21:35

    EUR 1138

    See deal
  • Round trip · 9 nights
    Fri 20 Nov · 09:15
    Return Sun 29 Nov · 21:35

    EUR 1360

    See deal

Frequently asked questions

How do I get email alerts when San Francisco to Tokyo flights drop in price?
Create a free FlexTrip Alerts tracker for San Francisco International Airport (SFO) to Tokyo Narita International Airport (NRT). Choose your flexible departure window, stay length, and maximum price — we email you when a round trip fits.
Does FlexTrip Alerts book flights from San Francisco to Tokyo?
No — we do not sell tickets. FlexTrip Alerts watches prices and emails you when a fare matches your plan. You book on the airline or travel site you prefer when you receive an alert.
Can I set flexible travel dates for San Francisco to Tokyo alerts?
Yes. Pick a departure window (not one fixed day) and how many nights you can stay. We match round trips that fit your window, stay length, and max price — then email you when one qualifies.
How often does FlexTrip Alerts check San Francisco to Tokyo fares?
We scan aggregated fares on a schedule — about four times per day (every ~6 hours, UTC). You can also trigger an on-demand check from your dashboard, with a short cooldown between manual refreshes.
What is the cheapest month to fly from San Francisco to Tokyo?
Based on recent fare samples on this page, October 2026 is currently the cheapest month to fly from San Francisco to Tokyo, with round trips from about EUR 483. Prices change — set an alert to catch the next drop.

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