Flights Detroit → Washington DC
As of May 2026, economy flights from Detroit to Washington DC have a typical range USD 239–477, median USD 350. Full range across all 252 offers: USD 133–3481. We analyzed 252 offers from 7 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 →
How much do flights from Detroit to Washington DC cost?
Based on 252 offers · May 2026
Detroit to Washington DC flights ranged from USD 133 to USD 3481 across 252 offers analyzed in May 2026. The chart below shows how prices distributed across all 252 offers.
These 252 offers (May 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 279 and USD 419
What hidden fees do Detroit to Washington DC flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Detroit to Washington DC routes. The breakdown below is based on 252 offers analyzed in May 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 279 | 87% |
| WN | 0 | 0% |
| DL | 36 | 11% |
| UA | 45 | 11% |
| AA | 38 | 12% |
| WS | 114 | 20% |
Frontier Airlines: base ~USD 37 + fees USD 279 = ~USD 316 total. Delta Air Lines: base ~USD 333 + fees USD 36 = ~USD 369 total.
Frontier Airlines's USD 279 ancillary fees narrow the gap with Delta Air Lines's lower-fee model — the USD 296 base difference shrinks to USD 53 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 Detroit to Washington DC?
7 airlines flew Detroit to Washington DC 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.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 American Airlines | 28 | — | 279 | 38 (14%) |
 Frontier Airlines | 54 | — | 316 | 279 (88%) |
 United Airlines | 74 | — | 362 | 45 (12%) |
 Delta Air Lines | 42 | — | 369 | 36 (10%) |
 Southwest Airlines | 45 | — | 380 | 0 (0%) |
 WestJet | 2 | — | 571 | 114 (20%) |
 Qatar Airways | 7 | — | 2127 | n/a |
Where do the best Detroit → Washington DC prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from direct airline 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: Detroit to Washington DC flights
- Full-service carriers on Detroit–Washington DC cost 1.9x more than budget airlines (USD 784 vs USD 422 median; overall median USD 350).
- F9 charges 7.8x more in ancillary fees than DL — USD 279 vs USD 36 avg per booking.
- The same route priced USD 1872 apart depending on where it was booked — the lowest median was USD 256. 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 Detroit to Washington DC cost?
- Based on 252 offers analyzed, Detroit to Washington DC flights range from USD 133 to USD 3481, with a median price of USD 350. Search for your specific dates →
- What hidden fees should I expect on Detroit to Washington DC flights?
- On average, ancillary fees (bags, seat selection) add USD 71 to the base fare on Detroit to Washington DC flights. See itemized fees for your itinerary →
- Which airline is cheapest on Detroit to Washington DC including all fees?
- American Airlines has the lowest median fare on Detroit to Washington DC at USD 279 (median across 28 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Detroit–Washington DC 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 256. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Detroit to Washington DC routes?
- Detroit to Washington DC has 7 airlines competing, creating a price range from USD 133 to USD 3481 across 252 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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