Flights Washington → Phoenix
As of November 2026, economy flights from Washington to Phoenix have a typical range USD 198–922, median USD 260. Full range across all 172 offers: USD 139–2467. We analyzed 172 offers from 9 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Washington → Phoenix
Based on 172 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Washington → Phoenix
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier Airlines | — | — | — |
| American Airlines | Included | USD 35 | — |
| JetBlue | — | USD 35 | — |
| Southwest Airlines | Included | Included | — |
| Southwest | — | USD 45 | — |
| Delta | Included | USD 35 | — |
| United Airlines | — | USD 35 | — |
| Alaska Airlines | Included | USD 35 | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Washington to Phoenix cost?
Based on 172 offers · November 2026
Washington to Phoenix flights ranged from USD 139 to USD 2467 across 172 offers analyzed in November 2026. The chart below shows how prices distributed across all 172 offers.
These 172 offers (November 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 199 and USD 424
What hidden fees do Washington to Phoenix flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Washington to Phoenix routes. The breakdown below is based on 172 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 60 | 33% |
| AA | 45 | 14% |
| B6 | 32 | 14% |
| WN | 0 | 0% |
| Southwest | 45 | 23% |
| DL | 37 | 5% |
| UA | 48 | 12% |
| AS | 42 | 11% |
Frontier Airlines: base ~USD 125 + fees USD 60 = ~USD 185 total. B6: base ~USD 199 + fees USD 32 = ~USD 231 total.
Frontier Airlines's USD 60 ancillary fees narrow the gap with B6's lower-fee model — the USD 74 base difference shrinks to USD 46 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Washington to Phoenix?
9 airlines flew Washington to Phoenix in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (Frontier), fares ranged USD 145–167 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Frontier | 9 | 145–167 | 145 | n/a |
 Frontier Airlines | 6 | 139–220 | 185 | 60 (33%) |
 Southwest | 2 | — | 199 | 45 (23%) |
 Southwest Airlines | 31 | 198–329 | 204 | 0 (0%) |
 B6 | 8 | 190–276 | 231 | 32 (14%) |
 United Airlines | 20 | 200–861 | 260 | 48 (18%) |
 American Airlines | 39 | 199–482 | 293 | 45 (15%) |
 Alaska Airlines | 13 | 293–447 | 372 | 42 (11%) |
 Delta Air Lines | 44 | 199–1855 | 857 | 37 (4%) |
Where do the best Washington → Phoenix prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Washington to Phoenix flights
- Full-service carriers on Washington–Phoenix cost 2.3x more than budget airlines (USD 445 vs USD 193 median; overall median USD 260).
- F9 charges 1.9x more in ancillary fees than B6 — USD 60 vs USD 32 avg per booking.
- The same route priced USD 1075 apart depending on where it was booked — the lowest median was USD 145. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Washington to Phoenix cost?
- Based on 172 offers analyzed, Washington to Phoenix flights range from USD 139 to USD 2467, with a median price of USD 260. Search for your specific dates →
- What hidden fees should I expect on Washington to Phoenix flights?
- On average, ancillary fees (bags, seat selection) add USD 34 to the base fare on Washington to Phoenix flights. See itemized fees for your itinerary →
- Which airline is cheapest on Washington to Phoenix including all fees?
- Frontier has the lowest median fare on Washington to Phoenix at USD 145 (median across 9 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Washington–Phoenix flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 145. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Washington to Phoenix routes?
- Washington to Phoenix has 9 airlines competing, creating a price range from USD 139 to USD 2467 across 172 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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