Flights Austin → Dulles
As of June 2026, economy flights from Austin to Dulles have a typical range USD 267–3804, median USD 394. Full range across all 292 offers: USD 230–4256. We found 63% of 292 offers from budget carriers (around USD 291) and 37% from full-service carriers (around USD 459).
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 →
Why fly Austin → Dulles?
This route offers a wide range of pricing, making it accessible for budget-conscious travelers and those seeking premium comfort. It connects two major hubs, providing convenient travel between Texas and the Washington D.C. metropolitan area.
Best for: budget travelers · business travelers · leisure travelers
Booking tips: To secure the best deals, aim for prices around the p25 of $277.39, especially if you can travel outside peak times. Be aware that the median price is $393.5, and premium fares can exceed $4000, so compare carefully.
Prices for this route exhibit a significant spread, with a bimodal distribution suggesting distinct budget and premium options, which is somewhat typical for major domestic routes with varied service levels.
AI-generated summary from price distribution data · gemini-2.5-flash-lite
Best offers by airline: Austin → Dulles
Based on 292 offers · June 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Austin → Dulles
Add-on pricing from the cheapest available offer per airline · June 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier Airlines | — | — | — |
| JetBlue Airways | — | USD 192 | — |
| American Airlines | Included | USD 47 | — |
| Alaska Airlines | USD 50 | USD 91 | — |
| United Airlines | — | USD 91 | — |
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 Austin to Dulles cost?
Based on 292 offers · June 2026
Austin to Dulles flights ranged from USD 230 to USD 4256 across 292 offers analyzed in June 2026. Two fare clusters detected: budget fares around 431 and premium fares around 4055 The chart below shows how prices distributed across all 292 offers.
These 292 offers (June 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 277 and USD 695
What hidden fees do Austin to Dulles flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Austin to Dulles routes. The breakdown below is based on 292 offers analyzed in June 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 59 | 18% |
| B6 | 262 | 59% |
| AA | 60 | 11% |
| AS | 141 | 23% |
| UA | 91 | 14% |
B6: base ~USD 197 + fees USD 262 = ~USD 459 total. American Airlines: base ~USD 514 + fees USD 60 = ~USD 574 total.
B6's USD 262 ancillary fees narrow the gap with American Airlines's lower-fee model — the USD 317 base difference shrinks to USD 115 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 Austin to Dulles?
6 airlines flew Austin to Dulles 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.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Frontier Airlines | 185 | — | 291 | 59 (20%) |
 B6 | 16 | — | 459 | 262 (57%) |
 American Airlines | 4 | — | 574 | 60 (11%) |
 United Airlines | 16 | — | 687 | 91 (13%) |
 Alaska Airlines | 22 | — | 1257 | 141 (11%) |
 Qatar Airways | 49 | — | 3911 | n/a |
Where do the best Austin → Dulles 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: Austin to Dulles flights
- Full-service carriers on Austin–Dulles cost 4.3x more than budget airlines (USD 1607 vs USD 375 median; overall median USD 394).
- B6 charges 4.4x more in ancillary fees than F9 — USD 262 vs USD 59 avg per booking.
- The same route priced USD 3638 apart depending on where it was booked — the lowest median was USD 274. 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 Austin to Dulles cost?
- Based on 292 offers analyzed, Austin to Dulles flights range from USD 230 to USD 4256, with a median price of USD 394. Search for your specific dates →
- What hidden fees should I expect on Austin to Dulles flights?
- On average, ancillary fees (bags, seat selection) add USD 74 to the base fare on Austin to Dulles flights. See itemized fees for your itinerary →
- Which airline is cheapest on Austin to Dulles including all fees?
- Frontier Airlines has the lowest median fare on Austin to Dulles at USD 291 (median across 185 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Austin–Dulles 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 274. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Austin to Dulles routes?
- Austin to Dulles has 6 airlines competing, creating a price range from USD 230 to USD 4256 across 292 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
6 airlines, two price clusters — find which fits your budget
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