Cheap Flights from Seattle to Santarem
No deal from Seattle to Santarem has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Seattle to Santarem, the lowest round-trip fare we recorded was $1514, in October. The typical fare was $2904. October was the cheapest month we saw and July the dearest.
The most recent price we saw on this route was $2237 on Alaska, Delta, and LATAM, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/seattle">from Seattle</a>, <a href="/to/santarem">to Santarem</a>, or the return direction <a href="/from/santarem/to/seattle">Santarem to Seattle</a>.
Latest price we saw: Seattle to Santarem
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Seattle (SEA) to Santarem (STM) | $2237 | 21.1¢ | Oct 17 – Oct 23 | Alaska, Delta, and LATAM | Oct 16 | Check price |
Price history: Seattle to Santarem
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $1514 | $2553 | 14 |
| Sep 2026 | $1542 | $3112 | 33 |
| Aug 2026 | $1810 | $2812 | 45 |
| Jul 2026 | $3138 | $3138 | 1 |
Frequently asked questions
How many flight deals from Seattle to Santarem are on Sparkflights right now?
There are 0 verified deals from Seattle to Santarem on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Seattle to Santarem?
The lowest fare we've recorded from Seattle to Santarem is $1514, based on 93 price observations over 4 months.
How much does a flight from Seattle to Santarem cost?
The typical round-trip fare we observed from Seattle to Santarem is $2904, against a recorded low of $1514. These are observations, not quotes.
When is the cheapest month to fly Seattle to Santarem?
October was the cheapest month we observed from Seattle to Santarem and July the dearest, over 4 months of data.
What is the current price from Seattle to Santarem?
The most recent fare our sweep saw from Seattle to Santarem is $2237, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.