Seattle to Phoenix flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Seattle to Phoenix is โฌ80 with Frontier Airlines (checked on 5 Nov 2026).
Your next trip, last seen at โฌ80
Lowest observedFrontier Airlines ยท 1 stop ยท One wayWhen to fly
Explore datesMore dates worth a look
Last seen for 1 traveller on 6 Nov 2026. Check today's price.
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- 1 Janโฌ104
- 7 Janโฌ105
- 8 Janโฌ105
- 9 Janโฌ105
- 11 Janโฌ105
- 12 Janโฌ105
- 13 Janโฌ105
- 16 Janโฌ105
- 18 Janโฌ104
- 19 Janโฌ104
- 20 Janโฌ104
- 21 Janโฌ104
- 22 Janโฌ85
- 23 Janโฌ104
- 24 Janโฌ81
- 25 Janโฌ80
- 26 Janโฌ104
- 27 Janโฌ104
- 28 Janโฌ104
- 29 Janโฌ104
- 30 Janโฌ104
- Lowest observed
- โฌ80, departing 25 Jan 2027 (Last checked: 5 Nov 2026)One-way fare ยท Priced departure days checked in the last 14 days: 75Check live prices for this route
- Round trip
- โฌ128, departing 19 Dec 2026, back 3 Jan 2027 (Last checked: 3 Nov 2026)
- Non-stop, one way
- โฌ101, departing 4 Feb 2027 (Last checked: 6 Nov 2026)
- Airlines seen
- Alaska Airlines, Frontier Airlines
- Fastest observed flight time
- 2h 49m
- Non-stop
- Yes
About this route
Explore the fares we observed from Seattle to Phoenix. Prices move often, so pick your dates to see the latest options.
- Route distance
- 1,794 km
- Fastest observed flight time
- 2h 49m
- Airlines seen
- Alaska Airlines, Frontier Airlines
- Alternative airports
- BFI, AZA, SCF
Route-level information; individual journeys vary.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days |
|---|---|
| Alaska Airlines | 30 / 75 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- King County International Airport - Boeing Field (BFI) โ Seattle, city gazetteer reference point (47.6062, -122.3321): โ 9 km.
- SeattleโTacoma International Airport (SEA) โ Seattle, city gazetteer reference point (47.6062, -122.3321): โ 18 km.
- Phoenix Sky Harbor International Airport (PHX) โ Phoenix, city gazetteer reference point (33.4484, -112.0740): โ 6 km.
- Mesa Gateway Airport (AZA) โ Phoenix, city gazetteer reference point (33.4484, -112.0740): โ 42 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Seattle to Phoenix: January 2027, from โฌ80 (checked 5 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | โฌ93 | 21 |
| December 2026 | โฌ85 | 17 |
| January 2027 | โฌ80 | 21 |
| February 2027 | โฌ81 | 15 |
Lowest fare by day of the week
Cheapest day of the week from Seattle to Phoenix: Monday, from โฌ80 (checked 5 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | โฌ80 | 13 |
| Tuesday | โฌ88 | 11 |
| Wednesday | โฌ87 | 11 |
| Thursday | โฌ88 | 10 |
| Friday | โฌ85 | 11 |
| Saturday | โฌ86 | 11 |
| Sunday | โฌ81 | 8 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Seattle to Phoenix by days until departure (61 days or more): โฌ80 (checked 5 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | โฌ138 | 8 |
| 8 to 30 days | โฌ85 | 20 |
| 31 to 60 days | โฌ85 | 13 |
| 61 days or more | โฌ80 | 34 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Seattle to Phoenix: Frontier Airlines, from โฌ80 (checked 6 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | โฌ80Jan 25, 2027 | 19 |
| Alaska Airlines | โฌ101Feb 4, 2027 | 30 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Seattle to Phoenix?
The lowest fare Routavio has observed is โฌ80, found on 5 Nov 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Seattle to Phoenix?
Cheapest month from Seattle to Phoenix: January 2027, from โฌ80 (checked 5 Nov 2026).
Are there direct flights from Seattle to Phoenix?
Yes. Published schedules report non-stop flights on this route with Alaska Airlines, Southwest Airlines.
Which airlines fly from Seattle to Phoenix?
Routavio has seen these carriers on the route: Alaska Airlines, Frontier Airlines.
How long does the flight from Seattle to Phoenix take?
Across the 49 fares Routavio observed, the average journey time is 5h 45m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Seattle to Phoenix fares were non-stop?
30 of the 56 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from Seattle to Phoenix?
Cheapest round trip: โฌ128, departing 19 Dec 2026, back 3 Jan 2027 (checked 3 Nov 2026).
How much is a non-stop flight from Seattle to Phoenix?
Cheapest non-stop one-way fare: โฌ101, departing 4 Feb 2027 (checked 6 Nov 2026).
Which airlines had non-stop offers on at least 3 departure dates from Seattle to Phoenix?
For Seattle to Phoenix, examples of observed one-way non-stop offers checked within the last 14 days: Alaska Airlines (30). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from Seattle to Phoenix?
Cheapest day of the week from Seattle to Phoenix: Monday, from โฌ80 (checked 5 Nov 2026).
Which airline has the lowest fare from Seattle to Phoenix?
Cheapest airline from Seattle to Phoenix: Frontier Airlines, from โฌ80 (checked 6 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide ยท Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.