Seattle (SEA) to Phoenix (PHX), August 2027: flights from $140 one way

Lowest published fares in August 2027: $260 round trip, Axel-exclusive, Southwest Airlines, nonstop, Aug 1–4, 2027; $140 one way, Axel-exclusive, Southwest Airlines, nonstop, Aug 1, 2027; 72 priced flights on 36 exact dates, 1 adult, economy, checked Oct 29, 2026.

Compare flight prices from Seattle to Phoenix for your dates. There are no recent complete one-adult round trips here to set a price target.

Axel shows the exact bookable round-trip price from Seattle to Phoenix for your dates, one traveler, no account to see it.

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No recent complete one-adult round trips saved.

Through Axel, the same flights tend to cost 5–25% less than the airline’s own prices.

Flights in August 2027

Lowest published fares in August 2027: $260 round trip, Axel-exclusive, Southwest Airlines, nonstop, Aug 1–4, 2027; $140 one way, Axel-exclusive, Southwest Airlines, nonstop, Aug 1, 2027; 72 priced flights on 36 exact dates, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

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Seattle (SEA) to Phoenix (PHX): August 2027

Travel dates Airline Stops Total price
Aug 1, 2027 · One way · Compare return dates departing Aug 1, 2027 Southwest Airlines Nonstop Axel-exclusive $140.00
Aug 1, 2027 · One way · Compare return dates departing Aug 1, 2027 American Airlines Nonstop Axel-exclusive $145.00
Aug 1, 2027 – Aug 4, 2027 · 3 nights · Compare return dates departing Aug 1, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 1, 2027 – Aug 4, 2027 · 3 nights · Compare return dates departing Aug 1, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 1, 2027 – Aug 8, 2027 · 7 nights · Compare return dates departing Aug 1, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 1, 2027 – Aug 8, 2027 · 7 nights · Compare return dates departing Aug 1, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 2, 2027 · One way · Compare return dates departing Aug 2, 2027 Southwest Airlines Nonstop Axel-exclusive $140.00
Aug 2, 2027 · One way · Compare return dates departing Aug 2, 2027 American Airlines Nonstop Axel-exclusive $145.00
Aug 2, 2027 – Aug 5, 2027 · 3 nights · Compare return dates departing Aug 2, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 2, 2027 – Aug 5, 2027 · 3 nights · Compare return dates departing Aug 2, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 2, 2027 – Aug 9, 2027 · 7 nights · Compare return dates departing Aug 2, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 2, 2027 – Aug 9, 2027 · 7 nights · Compare return dates departing Aug 2, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 3, 2027 · One way · Compare return dates departing Aug 3, 2027 Southwest Airlines Nonstop Axel-exclusive $140.00
Aug 3, 2027 · One way · Compare return dates departing Aug 3, 2027 American Airlines Nonstop Axel-exclusive $145.00
Aug 3, 2027 – Aug 6, 2027 · 3 nights · Compare return dates departing Aug 3, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 3, 2027 – Aug 6, 2027 · 3 nights · Compare return dates departing Aug 3, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 3, 2027 – Aug 10, 2027 · 7 nights · Compare return dates departing Aug 3, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 3, 2027 – Aug 10, 2027 · 7 nights · Compare return dates departing Aug 3, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 4, 2027 · One way · Compare return dates departing Aug 4, 2027 Southwest Airlines Nonstop Axel-exclusive $140.00
Aug 4, 2027 · One way · Compare return dates departing Aug 4, 2027 American Airlines Nonstop Axel-exclusive $145.00
Aug 4, 2027 – Aug 7, 2027 · 3 nights · Compare return dates departing Aug 4, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 4, 2027 – Aug 7, 2027 · 3 nights · Compare return dates departing Aug 4, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 4, 2027 – Aug 11, 2027 · 7 nights · Compare return dates departing Aug 4, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 4, 2027 – Aug 11, 2027 · 7 nights · Compare return dates departing Aug 4, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 5, 2027 · One way · Compare return dates departing Aug 5, 2027 Southwest Airlines Nonstop Axel-exclusive $140.00
Aug 5, 2027 · One way · Compare return dates departing Aug 5, 2027 American Airlines Nonstop Axel-exclusive $145.00
Aug 5, 2027 – Aug 8, 2027 · 3 nights · Compare return dates departing Aug 5, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 5, 2027 – Aug 8, 2027 · 3 nights · Compare return dates departing Aug 5, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 5, 2027 – Aug 12, 2027 · 7 nights · Compare return dates departing Aug 5, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 5, 2027 – Aug 12, 2027 · 7 nights · Compare return dates departing Aug 5, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 6, 2027 · One way · Compare return dates departing Aug 6, 2027 Southwest Airlines Nonstop Axel-exclusive $140.00
Aug 6, 2027 · One way · Compare return dates departing Aug 6, 2027 American Airlines Nonstop Axel-exclusive $145.00
Aug 6, 2027 – Aug 9, 2027 · 3 nights · Compare return dates departing Aug 6, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 6, 2027 – Aug 9, 2027 · 3 nights · Compare return dates departing Aug 6, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 6, 2027 – Aug 13, 2027 · 7 nights · Compare return dates departing Aug 6, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 6, 2027 – Aug 13, 2027 · 7 nights · Compare return dates departing Aug 6, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 7, 2027 · One way · Compare return dates departing Aug 7, 2027 Southwest Airlines Nonstop Axel-exclusive $140.00
Aug 7, 2027 · One way · Compare return dates departing Aug 7, 2027 American Airlines Nonstop Axel-exclusive $145.00
Aug 7, 2027 – Aug 10, 2027 · 3 nights · Compare return dates departing Aug 7, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 7, 2027 – Aug 10, 2027 · 3 nights · Compare return dates departing Aug 7, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 7, 2027 – Aug 14, 2027 · 7 nights · Compare return dates departing Aug 7, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 7, 2027 – Aug 14, 2027 · 7 nights · Compare return dates departing Aug 7, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 8, 2027 · One way · Compare return dates departing Aug 8, 2027 Southwest Airlines Nonstop Axel-exclusive $140.00
Aug 8, 2027 · One way · Compare return dates departing Aug 8, 2027 American Airlines Nonstop Axel-exclusive $145.00
Aug 8, 2027 – Aug 11, 2027 · 3 nights · Compare return dates departing Aug 8, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 8, 2027 – Aug 11, 2027 · 3 nights · Compare return dates departing Aug 8, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 8, 2027 – Aug 15, 2027 · 7 nights · Compare return dates departing Aug 8, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 8, 2027 – Aug 15, 2027 · 7 nights · Compare return dates departing Aug 8, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 9, 2027 · One way · Compare return dates departing Aug 9, 2027 Southwest Airlines Nonstop Axel-exclusive $140.00
Aug 9, 2027 · One way · Compare return dates departing Aug 9, 2027 American Airlines Nonstop Axel-exclusive $145.00
Aug 9, 2027 – Aug 12, 2027 · 3 nights · Compare return dates departing Aug 9, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 9, 2027 – Aug 12, 2027 · 3 nights · Compare return dates departing Aug 9, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 9, 2027 – Aug 16, 2027 · 7 nights · Compare return dates departing Aug 9, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 9, 2027 – Aug 16, 2027 · 7 nights · Compare return dates departing Aug 9, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 10, 2027 · One way · Compare return dates departing Aug 10, 2027 Southwest Airlines Nonstop Axel-exclusive $140.00
Aug 10, 2027 · One way · Compare return dates departing Aug 10, 2027 American Airlines Nonstop Axel-exclusive $145.00
Aug 10, 2027 – Aug 13, 2027 · 3 nights · Compare return dates departing Aug 10, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 10, 2027 – Aug 13, 2027 · 3 nights · Compare return dates departing Aug 10, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 10, 2027 – Aug 17, 2027 · 7 nights · Compare return dates departing Aug 10, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 10, 2027 – Aug 17, 2027 · 7 nights · Compare return dates departing Aug 10, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 11, 2027 · One way · Compare return dates departing Aug 11, 2027 Southwest Airlines Nonstop Axel-exclusive $140.00
Aug 11, 2027 · One way · Compare return dates departing Aug 11, 2027 American Airlines Nonstop Axel-exclusive $145.00
Aug 11, 2027 – Aug 14, 2027 · 3 nights · Compare return dates departing Aug 11, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 11, 2027 – Aug 14, 2027 · 3 nights · Compare return dates departing Aug 11, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 11, 2027 – Aug 18, 2027 · 7 nights · Compare return dates departing Aug 11, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 11, 2027 – Aug 18, 2027 · 7 nights · Compare return dates departing Aug 11, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 12, 2027 · One way · Compare return dates departing Aug 12, 2027 Southwest Airlines Nonstop Axel-exclusive $140.00
Aug 12, 2027 · One way · Compare return dates departing Aug 12, 2027 American Airlines Nonstop Axel-exclusive $145.00
Aug 12, 2027 – Aug 15, 2027 · 3 nights · Compare return dates departing Aug 12, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 12, 2027 – Aug 15, 2027 · 3 nights · Compare return dates departing Aug 12, 2027 American Airlines Nonstop Axel-exclusive $270.00
Aug 12, 2027 – Aug 19, 2027 · 7 nights · Compare return dates departing Aug 12, 2027 Southwest Airlines Nonstop Axel-exclusive $260.00
Aug 12, 2027 – Aug 19, 2027 · 7 nights · Compare return dates departing Aug 12, 2027 American Airlines Nonstop Axel-exclusive $270.00

Hotels in Phoenix for these trips

Hotels: under a trip, hotels in Phoenix for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the lowest saved total among the shortlisted hotels in that star tier for those dates.

All hotels in Phoenix

Route overview: Seattle area (Sea-Tac and Paine Field) to Phoenix (PHX) flight deals

2027-08-01 · one way · Axel-exclusive $140.00

2027-08-01 · one way · Axel-exclusive $145.00

2027-08-01 → 2027-08-04 · Axel-exclusive $260.00

2027-08-01 → 2027-08-04 · Axel-exclusive $280.00

2027-08-02 → 2027-08-05 · Axel-exclusive $260.00

2027-08-02 → 2027-08-05 · Axel-exclusive $270.00

2027-08-03 → 2027-08-06 · Axel-exclusive $260.00

2027-08-03 → 2027-08-06 · Axel-exclusive $280.00

2027-08-04 → 2027-08-07 · Axel-exclusive $260.00

2027-08-04 → 2027-08-07 · Axel-exclusive $270.00

2027-08-05 → 2027-08-12 · Axel-exclusive $260.00

2027-08-05 → 2027-08-12 · Axel-exclusive $270.00

2027-08-06 → 2027-08-13 · Axel-exclusive $260.00

2027-08-06 → 2027-08-13 · Axel-exclusive $270.00

2027-08-07 → 2027-08-14 · Axel-exclusive $260.00

2027-08-07 → 2027-08-14 · Axel-exclusive $270.00

2027-08-09 → 2027-08-12 · Axel-exclusive $260.00

2027-08-09 → 2027-08-12 · Axel-exclusive $270.00

2027-08-10 → 2027-08-13 · Axel-exclusive $260.00

2027-08-10 → 2027-08-13 · Axel-exclusive $270.00

2027-08-11 → 2027-08-14 · Axel-exclusive $260.00

2027-08-11 → 2027-08-14 · Axel-exclusive $270.00

2027-08-12 → 2027-08-19 · Axel-exclusive $260.00

2027-08-12 → 2027-08-19 · Axel-exclusive $270.00

More dates for this route

Why book Seattle to Phoenix flights with Axel

How we checked Seattle to Phoenix prices

Choose your dates to see flights and Axel-exclusive prices.

Airports covered: SEA → PHX. Each example names its actual airports. Departure month: 2027-08.

See flights for your dates and travelers

More Seattle to Phoenix fares: other dates and travelers

Flights by travel date

Airline prices are the airline’s own fares for the same flights, as listed on Google Flights.

Planning: When to book Thanksgiving flights · Flying in December: prices, crowds and delays · How far in advance to book flights · The cheapest days of the week to fly and to book.

Seattle to Phoenix flights by season and holiday · SEA–PHX

Cheapest month to fly Seattle to Phoenix (PHX): December 2026, typically $201 round trip per adult across 20 departure dates, against $329 in March 2027. Prices observed Sep 21 – Oct 21, 2026 in Axel's flight searches; the Seattle to Phoenix (PHX) route page lists today's published prices by date. Christmas departures (Dec 18–25, 2026) ran 42% below the rest of the year, typically $146. That holiday drew 34% of Axel searches for this route.

Separate seasonal sample: 245 round trips over 92 departure dates, seen Sep 21 – Oct 21, 2026; economy, per adult, trips of 2–21 nights.

See monthly examples, holidays and the seasonal method

Source: https://helloaxel.com/en/flights/from-seattle-sea-to-phoenix-phx-in-august-2027

Hotels in Phoenix with Axel

Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in Phoenix has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.

Where to stay: Where to stay in Phoenix: the 6 best neighborhoods, ranked · Phoenix hotels where a family of four can share one room

Hotel details in Phoenix: AC Hotel by Marriott Phoenix Downtown · Holiday Inn Express Hotel & Suites Phoenix-Airport by IHG · All 104 hotels in Phoenix

Near PHX: Caesars Republic Scottsdale, a Hilton Hotel (Scottsdale) · Comfort Inn Chandler - Phoenix South I-10 (Chandler) · Courtyard Mesa at Wrigleyville West (Mesa)

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