Sacramento to Seattle SMF → SEA
Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA)
The cheapest return found recently is $356 with Alaska Airlines, 17 Jul 2027 – 25 Jul 2027, found 3 days ago. The cheapest one-way found recently is $169 with Frontier Airlines, 2 Nov, found yesterday.
Return
The cheapest return fare on each of 3 departure dates is usually $395 to $442.
Cheapest return found recently
$356
17 Jul 2027 – 25 Jul 2027 · Alaska Airlines
Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA)
Leaves 2:56 p.m. · Return leaves 3:40 p.m. · 5 h 40 min of travel, both ways together
out nonstop, back 1 stop
found 3 days ago
Cheapest nonstop return
$433
23 Oct – 24 Oct · Alaska Airlines
Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA)
Leaves 1:10 p.m. · Return leaves 7:51 p.m. · 3 h 52 min of travel, both ways together
out nonstop, back nonstop
found 5 days ago
Found recently, and the cheapest we hold
$356 17 Jul 2027 – 25 Jul 2027found 3 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $143 to $296.
At $356, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 23 Oct to 17 Jul 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 8-night return fares leaving within 3 days of 17 Jul 2027 to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Oct – 24 Oct | $433 | Alaska Airlines | Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 26 Oct – 27 Oct | $450 | Alaska Airlines | Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA) | out nonstop, back 1 stop | found 5 days ago | See prices for these dates |
| 17 Jul 2027 – 25 Jul 2027 | $356 | Alaska Airlines | Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA) | out nonstop, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
July 2027 is the cheapest month — from $356.
Airlines on the cheapest dates: Alaska Airlines.
One-way
The cheapest one-way fare on each of 5 departure dates is usually $169 to $179.
Cheapest one-way found recently
$169
2 Nov · Frontier Airlines
Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA)
Leaves 7:36 p.m. · 22 h 57 min trip
1 stop
found yesterday
Cheapest nonstop one-way
$162
11 Mar 2027 · Alaska Airlines
Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA)
Leaves 12:57 p.m. · 2 h trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$169 2 Novfound yesterdayOpen this trip
$162 11 Mar 2027found 2 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $73 to $177.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 5 departure dates from 26 Oct to 11 Mar 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 2 Nov to compare.
Every date we hold
5 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 26 Oct | $179 | Frontier Airlines | Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA) | 1 stop | found 5 days ago | Open this trip |
| 28 Oct | $179 | Frontier Airlines | Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA) | 1 stop | found 6 days ago | Open this trip |
| 29 Oct | $177 | Frontier Airlines | Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA) | 1 stop | found 5 days ago | Open this trip |
| 2 Nov | $169 | Frontier Airlines | Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA) | 1 stop | found yesterday | Open this trip |
| 11 Mar 2027 | $162 | Alaska Airlines | Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA) | nonstop | found 2 days ago | Open this trip |
Which month looks cheapest?
March 2027 is the cheapest month — from $162.
Airlines on the cheapest dates: Frontier Airlines, Alaska Airlines.
Premium cabin fares from Sacramento to Seattle
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 17 Jul 2027 – 25 Jul 2027 in another cabin: Premium economy · Business · First
Today's prices for 2 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Sacramento to Seattle?
Return
The cheapest fares were 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $143 | $143 | Cheapest seen | 8 |
| 30–59 days | $145 | $145 | +1% | 9 |
| 180+ days | $296 | $292 | +107% | 22 |
One-way
Fares 14 to 29 days before departure were typically 48% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $141 | $141 | +91% | 10 |
| 7–13 days | $139 | $109 | +88% | 16 |
| 14–29 days | $74 | $73 | Cheapest seen | 20 |
| 30–59 days | $76 | $73 | +3% | 14 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Oakland → Seattle
110 km from Sacramento
$218
$138 less than flying from Sacramento
24 Feb 2027 – 27 Feb 2027 · OAK → SEA · out nonstop, back nonstop
found 2 days ago
San Jose → Seattle
142 km from Sacramento
$237
$119 less than flying from Sacramento
30 Oct – 1 Nov · SJC → SEA · out nonstop, back 1 stop
found 4 days ago
Stockton → Seattle
79 km from Sacramento
$701
$345 more than flying from Sacramento
23 Oct – 24 Oct · SCK → SEA · out 1 stop, back 2 stops
found 5 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
San Francisco → Seattle
121 km from Sacramento
$69
$100 less than flying from Sacramento
18 Nov · SFO → SEA · 1 stop
found yesterday
Oakland → Seattle
110 km from Sacramento
$107
$62 less than flying from Sacramento
18 Nov · OAK → SEA · nonstop
found yesterday
San Jose → Seattle
142 km from Sacramento
$132
$37 less than flying from Sacramento
17 Nov · SJC → SEA · nonstop
found yesterday
Stockton → Seattle
79 km from Sacramento
$217
$48 more than flying from Sacramento
25 Oct · SCK → SEA · 1 stop
found 4 days ago
Santa Rosa → Seattle
108 km from Sacramento
$229
$60 more than flying from Sacramento
11 Mar 2027 · STS → SEA · nonstop
found 2 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 17 Jul 2027 – 25 Jul 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work