Cheap flights from Sacramento to Seattle from $90 SMF → SEA
Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA)
The cheapest return found recently is $337 with Alaska Airlines, 10 Apr 2027 – 14 Apr 2027, found yesterday. The cheapest one-way found recently is $90 with Southwest Airlines, 12 Jan 2027, found yesterday.
- Cheapest one-way found recently
- $90, Southwest Airlines, found yesterday
- Cheapest return found recently
- $337, 10 Apr 2027 to 14 Apr 2027
- Usual return price
- $297 to $345
- Cheapest month to fly
- March 2027, return fares from $256 found in the last 7 days
- Airlines with nonstop flights
- Southwest Airlines
- Shortest nonstop flight found
- 1 h 55 min
Return
The cheapest return fare on each of 3 departure dates is usually $297 to $345.
Cheapest return found recently
$337
10 Apr 2027 – 14 Apr 2027 · Alaska Airlines
Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA)
Leaves 6:15 a.m. · Return leaves 11:30 a.m. · 4 h 1 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Cheapest nonstop return
$337
10 Apr 2027 – 14 Apr 2027 · Alaska Airlines
Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA)
Leaves 6:15 a.m. · Return leaves 11:30 a.m. · 4 h 1 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Found recently, and the cheapest we hold
$337 10 Apr 2027 – 14 Apr 2027found yesterdaySee prices for these dates
$256 10 Mar 2027 – 18 Mar 2027found 3 days agoSee prices for these dates
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $143 to $356.
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 16 Nov to 10 Apr 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 4-night return fares leaving within 3 days of 10 Apr 2027 to compare.
Every date we hold
4 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 Nov – 25 Nov | $353 | Frontier Airlines | Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 10 Mar 2027 – 18 Mar 2027 | $256 | Alaska Airlines | Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 10 Apr 2027 – 14 Apr 2027 | $337 | Alaska Airlines | Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA) | out nonstop, back nonstop | found yesterday | See prices for these dates |
Which month looks cheapest?
March 2027 is the cheapest month — from $256.
Airlines on the cheapest dates: Alaska Airlines, Frontier Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$90
12 Jan 2027 · Southwest Airlines
Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA)
Leaves 4:10 p.m. · 1 h 55 min trip
nonstop
found yesterday
Cheapest nonstop one-way
$90
12 Jan 2027 · Southwest Airlines
Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA)
Leaves 4:10 p.m. · 1 h 55 min trip
nonstop
found yesterday
Found recently, and the cheapest we hold
$90 12 Jan 2027found yesterdayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 47 days, 24 Sept to 12 Nov, the cheapest one-way we saw each day was $72 to $177.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 12 Jan 2027 to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 12 Jan 2027 | $90 | Southwest Airlines | Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA) | nonstop | found yesterday | Open this trip |
| 27 Jan 2027 | $93 | Southwest Airlines | Sacramento International Airport (SMF) → Seattle-Tacoma International Airport (SEA) | nonstop | found yesterday | Open this trip |
Airlines on the cheapest dates: Southwest 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 10 Apr 2027 – 14 Apr 2027 in another cabin: Premium economy · Business · First
Today's prices for 12 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Sacramento to Seattle?
Return
Fares 30 to 59 days before departure were typically 62% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 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 | $385 | $353 | +166% | 8 |
| 7–13 days | $433 | $314 | +199% | 8 |
| 14–29 days | $156 | $143 | +8% | 15 |
| 30–59 days | $145 | $145 | Cheapest seen | 9 |
| 90–179 days | $311 | $256 | +115% | 30 |
| 180+ days | $356 | $292 | +146% | 39 |
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 12 Nov (47 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 | $121 | +91% | 15 |
| 7–13 days | $142 | $109 | +92% | 29 |
| 14–29 days | $74 | $72 | Cheapest seen | 30 |
| 30–59 days | $76 | $73 | +3% | 14 |
| 60–89 days | $101 | $93 | +37% | 9 |
| 90–179 days | $162 | $162 | +119% | 7 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
San Jose → Seattle
142 km from Sacramento
$156
$181 less than flying from Sacramento
15 Dec – 24 Dec · SJC → SEA · out nonstop, back nonstop
found 9 hours ago
San Francisco → Seattle
121 km from Sacramento
$174
$163 less than flying from Sacramento
14 Jan 2027 – 18 Jan 2027 · SFO → SEA · out 1 stop, back 1 stop
found yesterday
Oakland → Seattle
110 km from Sacramento
$180
$157 less than flying from Sacramento
15 Dec – 24 Dec · OAK → SEA · out nonstop, back nonstop
found today
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Oakland → Seattle
110 km from Sacramento
$52
$38 less than flying from Sacramento
9 Dec · OAK → SEA · nonstop
found yesterday
San Jose → Seattle
142 km from Sacramento
$87
$3 less than flying from Sacramento
14 Jan 2027 · SJC → SEA · nonstop
found 2 days ago
San Francisco → Seattle
121 km from Sacramento
$103
$13 more than flying from Sacramento
14 Jan 2027 · SFO → SEA · 1 stop
found 2 days ago
Sacramento → Everett
34 km from Seattle
$216
$126 more than flying to Seattle
1 Mar 2027 · SMF → PAE · 1 stop
found today
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 10 Apr 2027 – 14 Apr 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Sacramento to Seattle?
The cheapest return found recently is $337 with Alaska Airlines, 10 Apr 2027 to 14 Apr 2027, found yesterday. The cheapest return we hold, of any age, is $256 with Alaska Airlines, 10 Mar 2027 to 18 Mar 2027, found 3 days ago. The cheapest return fare on each of 3 departure dates is usually $297 to $345.
How much is a one-way flight from Sacramento to Seattle?
The cheapest one-way found recently is $90 with Southwest Airlines, 12 Jan 2027, found yesterday.
What is the cheapest month to fly from Sacramento to Seattle?
March 2027 is the cheapest month for a return, from $256, 10 Mar 2027 to 18 Mar 2027, found 3 days ago.
How far ahead should I book a flight from Sacramento to Seattle?
In 50 days of prices between 24 Sept and 12 Nov, return fares 30 to 59 days before departure were typically 62% lower than 0 to 6 days before departure. In 47 days of prices between 24 Sept and 12 Nov, one-way fares 14 to 29 days before departure were typically 48% lower than 0 to 6 days before departure.
Is there a direct flight from Sacramento to Seattle?
Yes, the cheapest nonstop return found recently is $337 with Alaska Airlines, 10 Apr 2027 to 14 Apr 2027, found yesterday. The cheapest nonstop one-way found recently is $90 with Southwest Airlines, 12 Jan 2027, found yesterday.
How long is the flight from Sacramento to Seattle?
The cheapest nonstop one-way found recently, with Southwest Airlines on 12 Jan 2027, takes 1 h 55 min from Sacramento International Airport (SMF) to Seattle-Tacoma International Airport (SEA).
Which airlines have the cheapest flights from Sacramento to Seattle?
Between 16 Nov and 10 Apr 2027, Alaska Airlines has the cheapest return on 2 of the 3 departure dates we hold, and Frontier Airlines on 1.
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