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prices we've seen · United States fares · USD

Flights from Mexico City (MEX) to San Francisco (SFO)

  • One way from $215
  • Round trip from $497
  • No nonstop seen
  • Fastest 25h 21m
  • 5 airlines

The cheapest one-way fare from Mexico City (MEX) to San Francisco (SFO) we have seen is $215 USD, departing Dec 7, 2026 (seen Nov 6, 2026): Viva Aerobus VB 146, 1 stop, 26h 18m.

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Cheapest · One wayseen Nov 6

$215 USD

Viva Aerobus VB 146 · Dec 7 · 1 stop · 26h 18m

Continue on the seller's site — $215

Cheapest round tripseen Nov 8

$497 USD

United UA 1838 · Apr 19 → Apr 25 · 2 stops · 17h 59m in all, both ways

Continue on the seller's site — $497

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These are the fares the seller shows on its United States site, in USD; prices where you live may differ.

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Prices are the fare alone; the seller shows the bag and fare rules.

Cheapest by month

Checked Nov 11

Pick a month to search the day its cheapest fare leaves.

  1. Nov 2026$261
  2. Dec 2026$215
  3. Jan 2027—
  4. Feb 2027—
  5. Mar 2027—
  6. Apr 2027—
  7. May 2027—
  8. Jun 2027—
  9. Jul 2027—
  10. Aug 2027—
  11. Sep 2027—
  12. Oct 2027$388

Cheapest days to fly one wayCheapest round trips

Each day's cheapest fare we've seen, nonstop and with stops. Cheapest first.

We may earn a commission from the seller · How we rank

  1. MonDec 7

    19:50

    26h 18m1 stop

    20:08+1

    Cheapest$215 USD

    Viva Aerobus VB 146 · seen Nov 6

    Go to seller — $215

  2. WedDec 9

    12:05

    25h 21m1 stop

    11:26+1

    $224 USD

    Volaris Y4 740 · seen Nov 9

    Go to seller — $224

The cheapest round trips we've seen on this route, on any dates, cheapest first.

We may earn a commission from the seller · How we rank

  1. 6 nightsApr 19–25

    14:15

    SFO

    Cheapest$497 USD

    United UA 1838 · 2 stops · 17h 59m in all, both ways · seen Nov 8

    Go to seller — $497

  2. 6 nightsApr 19–25

    08:45

    12:43

    $553 USD

    Aeromexico AM 668 · Nonstop · 9h 30m in all, both ways · seen Nov 8

    Go to seller — $553

  3. 8 nightsNov 24 – Dec 2

    08:40

    11:38

    $569 USD

    Aeromexico AM 668 · Nonstop · 9h 6m in all, both ways · seen Nov 7

    Go to seller — $569

Compare other routes

Compared with Mexico City → San Francisco: $215 one way (Dec 7).

The way back

Other places from Mexico City

Every route from Mexico City →

To San Francisco from other cities

Every route to San Francisco →

Airlines seen on this route

  • Air Canada
  • Aeromexico
  • United
  • Viva Aerobus
  • Volaris

Marketing carriers; the operating airline is shown by the seller.

Mexico City to San Francisco in numbers

  • By month, Dec 2026 is the cheapest we've seen at $215 USD and Oct 2027 the most expensive at $388 USD — a spread of 80%.
  • None of the 2 departure dates seen has a nonstop fare — every fare has at least one stop; carriers seen: Air Canada, Aeromexico, United, Viva Aerobus, Volaris.
  • MEX serves Mexico City, Mexico; SFO serves San Francisco, United States.
  • San Francisco runs 2 hours behind Mexico City.

Questions

What is the cheapest fare from Mexico City (MEX) to San Francisco (SFO)?

The cheapest one-way fare from Mexico City (MEX) to San Francisco (SFO) we have seen is $215 USD, departing Dec 7, 2026 (seen Nov 6, 2026): Viva Aerobus VB 146, 1 stop, 26h 18m.

Is there a nonstop flight from Mexico City (MEX) to San Francisco (SFO)?

None of the 2 departure dates seen has a nonstop fare — every fare has at least one stop; carriers seen: Air Canada, Aeromexico, United, Viva Aerobus, Volaris.

Which month is cheapest to fly from Mexico City (MEX) to San Francisco (SFO)?

By month, Dec 2026 is the cheapest we've seen at $215 USD and Oct 2027 the most expensive at $388 USD — a spread of 80%.

How old is this price?

It is the cheapest fare we've seen for that date; the date beside it is the day it was seen, or our last check. We look again at least once a day for the routes people search, and stop showing a route's prices two days after our last look. The seller's page shows the price right now.

How does a2bflight rank results?

By price and duration only; commission never enters the order. Cheapest means cheapest among the fares we've seen for this route. A click that books may earn a2bflight a commission from the seller; the price you see is the seller's own. See how we rank and what we keep.