Flights Washington → Salt Lake City
As of September 2026, economy flights from Washington to Salt Lake City have a typical range USD 265–399, median USD 398. Full range across all 166 offers: USD 243–519. We found 51% of 166 offers from budget carriers (around USD 368) and 49% from full-service carriers (around USD 398).
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 → Salt Lake City
Based on 166 offers · September 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Washington → Salt Lake City
Add-on pricing from the cheapest available offer per airline · September 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| JetBlue | Included | — | — |
| Southwest Airlines | Included | Included | — |
| Southwest | — | USD 90 | — |
| Frontier Airlines | — | — | — |
| Delta | Included | USD 35 | — |
| United | Included | USD 35 | — |
| American Airlines | Included | USD 35 | — |
| Delta | — | USD 90 | — |
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 Salt Lake City cost?
Based on 166 offers · September 2026
Washington to Salt Lake City flights ranged from USD 243 to USD 519 across 166 offers analyzed in September 2026. Two fare clusters detected: budget fares around 257 and premium fares around 340 The chart below shows how prices distributed across all 166 offers.
These 166 offers (September 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 330 and USD 398
What hidden fees do Washington to Salt Lake City flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Washington to Salt Lake City routes. The breakdown below is based on 166 offers analyzed in September 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| B6 | 10 | 3% |
| WN | 19 | 5% |
| Southwest | 90 | 31% |
| F9 | 10 | 3% |
| DL | 45 | 11% |
| UA | 45 | 11% |
| AA | 45 | 11% |
| Delta | 90 | 17% |
Southwest: base ~USD 175 + fees USD 90 = ~USD 265 total. Frontier Airlines: base ~USD 290 + fees USD 10 = ~USD 300 total.
Southwest's USD 90 ancillary fees narrow the gap with Frontier Airlines's lower-fee model — the USD 115 base difference shrinks to USD 35 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 Salt Lake City?
9 airlines flew Washington to Salt Lake City in this dataset. The route shows a clear split between low-cost and full-service carriers. 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 (Southwest), fares ranged USD 265–330 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) |
|---|---|---|---|---|
 Southwest | 29 | 265–330 | 265 | 90 (34%) |
 Frontier Airlines | 2 | — | 300 | 10 (3%) |
 Frontier | 3 | — | 300 | n/a |
 Southwest Airlines | 48 | 329–399 | 354 | 19 (5%) |
 B6 | 2 | 268–468 | 368 | 10 (3%) |
 Delta Air Lines | 7 | 394–447 | 398 | 45 (11%) |
 United Airlines | 30 | — | 398 | 45 (11%) |
 American Airlines | 44 | — | 398 | 45 (11%) |
 Delta | 1 | — | 519 | 90 (17%) |
Where do the best Washington → Salt Lake City prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search 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 Salt Lake City flights
- Full-service carriers on Washington–Salt Lake City cost 1.4x more than budget airlines (USD 429 vs USD 317 median; overall median USD 398).
- Southwest charges 9.0x more in ancillary fees than F9 — USD 90 vs USD 10 avg per booking.
- The same route priced USD 128 apart depending on where it was booked — the lowest median was USD 270. 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 Salt Lake City cost?
- Based on 166 offers analyzed, Washington to Salt Lake City flights range from USD 243 to USD 519, with a median price of USD 398. Search for your specific dates →
- What hidden fees should I expect on Washington to Salt Lake City flights?
- On average, ancillary fees (bags, seat selection) add USD 45 to the base fare on Washington to Salt Lake City flights. See itemized fees for your itinerary →
- Which airline is cheapest on Washington to Salt Lake City including all fees?
- Southwest has the lowest median fare on Washington to Salt Lake City at USD 265 (median across 29 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Washington–Salt Lake City 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 270. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Washington to Salt Lake City routes?
- Washington to Salt Lake City has 9 airlines competing, creating a price range from USD 243 to USD 519 across 166 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
9 airlines, two price clusters — find which fits your budget
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