Flights Dulles → Pittsburgh
As of September 2026, economy flights from Dulles to Pittsburgh have a typical range USD 261–591, median USD 377. Full range across all 134 offers: USD 146–1915. We analyzed 134 offers from 6 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: Dulles → Pittsburgh
Based on 134 offers · September 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Dulles → Pittsburgh
Add-on pricing from the cheapest available offer per airline · September 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Southern / Mokulele | Included | Included | — |
| United | — | USD 100 | — |
| United | Included | USD 35 | — |
| Delta | Included | 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 Dulles to Pittsburgh cost?
Based on 134 offers · September 2026
Dulles to Pittsburgh flights ranged from USD 146 to USD 1915 across 134 offers analyzed in September 2026. The chart below shows how prices distributed across all 134 offers.
These 134 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 323 and USD 441
What hidden fees do Dulles to Pittsburgh flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Dulles to Pittsburgh routes. The breakdown below is based on 134 offers analyzed in September 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| 9X | 0 | 0% |
| United | 100 | 24% |
| UA | 45 | 10% |
| DL | 45 | 10% |
| AS | 45 | 2% |
United: base ~USD 277 + fees USD 100 = ~USD 377 total. Delta Air Lines: base ~USD 396 + fees USD 45 = ~USD 441 total.
United's USD 100 ancillary fees narrow the gap with Delta Air Lines's lower-fee model — the USD 119 base difference shrinks to USD 64 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 Dulles to Pittsburgh?
6 airlines flew Dulles to Pittsburgh 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 (Southern Airways Express), fares ranged USD 208–364 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) |
|---|---|---|---|---|
 Southern Airways Express | 33 | 208–364 | 323 | n/a |
 9X | 32 | 208–424 | 342 | 0 (0%) |
 United Airlines | 17 | 377–608 | 377 | 45 (12%) |
 United | 19 | 364–608 | 377 | 100 (27%) |
 Delta Air Lines | 29 | 441–591 | 441 | 45 (10%) |
 Alaska Airlines | 4 | 1867–1915 | 1891 | 45 (2%) |
Where do the best Dulles → Pittsburgh 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: Dulles to Pittsburgh flights
- Dulles–Pittsburgh had 134 offers analyzed. Median price: USD 377.
- United charges 2.2x more in ancillary fees than AS — USD 100 vs USD 45 avg per booking.
- The same route priced USD 118 apart depending on where it was booked — the lowest median was USD 323. 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 Dulles to Pittsburgh cost?
- Based on 134 offers analyzed, Dulles to Pittsburgh flights range from USD 146 to USD 1915, with a median price of USD 377. Search for your specific dates →
- What hidden fees should I expect on Dulles to Pittsburgh flights?
- On average, ancillary fees (bags, seat selection) add USD 54 to the base fare on Dulles to Pittsburgh flights. See itemized fees for your itinerary →
- Which airline is cheapest on Dulles to Pittsburgh including all fees?
- Southern Airways Express has the lowest median fare on Dulles to Pittsburgh at USD 323 (median across 33 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Dulles–Pittsburgh 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 323. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Dulles to Pittsburgh routes?
- Dulles to Pittsburgh has 6 airlines competing, creating a price range from USD 146 to USD 1915 across 134 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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