Flights Houston → Washington DC
As of November 2026, economy flights from Houston to Washington DC have a typical range USD 368–628, median USD 388. Full range across all 84 offers: USD 188–673. We found 35% of 84 offers from budget carriers (around USD 378) and 65% from full-service carriers (around USD 397).
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: Houston → Washington DC
Based on 84 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Houston → Washington DC
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Southwest Airlines | Included | Included | — |
| United | — | USD 100 | — |
| American Airlines | Included | USD 110 | — |
| United Airlines | Included | USD 80 | — |
| Frontier | Included | USD 130 | — |
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 Houston to Washington DC cost?
Based on 84 offers · November 2026
Houston to Washington DC flights ranged from USD 188 to USD 673 across 84 offers analyzed in November 2026. Two fare clusters detected: budget fares around 261 and premium fares around 358 The chart below shows how prices distributed across all 84 offers.
These 84 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 378 and USD 527
What hidden fees do Houston to Washington DC flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Houston to Washington DC routes. The breakdown below is based on 84 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| WN | 45 | 9% |
| United | 100 | 26% |
| AA | 120 | 32% |
| UA | 90 | 22% |
| F9 | 140 | 33% |
Frontier Airlines: base ~USD 287 + fees USD 140 = ~USD 427 total. Southwest Airlines: base ~USD 430 + fees USD 45 = ~USD 475 total.
Frontier Airlines's USD 140 ancillary fees narrow the gap with Southwest Airlines's lower-fee model — the USD 143 base difference shrinks to USD 48 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 Houston to Washington DC?
6 airlines flew Houston to Washington DC 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 | 1 | — | 188 | n/a |
 United | 22 | 377–480 | 378 | 100 (26%) |
 American Airlines | 6 | — | 378 | 120 (32%) |
 United Airlines | 12 | — | 397 | 90 (23%) |
 Frontier Airlines | 1 | — | 427 | 140 (33%) |
 Southwest Airlines | 42 | 368–646 | 475 | 45 (9%) |
Where do the best Houston → 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 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: Houston to Washington DC flights
- Full-service carriers on Houston–Washington DC cost 1.1x more than budget airlines (USD 384 vs USD 363 median; overall median USD 388).
- F9 charges 3.1x more in ancillary fees than WN — USD 140 vs USD 45 avg per booking.
- The same route priced USD 149 apart depending on where it was booked — the lowest median was USD 378. 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 Houston to Washington DC cost?
- Based on 84 offers analyzed, Houston to Washington DC flights range from USD 188 to USD 673, with a median price of USD 388. Search for your specific dates →
- What hidden fees should I expect on Houston to Washington DC flights?
- On average, ancillary fees (bags, seat selection) add USD 73 to the base fare on Houston to Washington DC flights. See itemized fees for your itinerary →
- Which airline is cheapest on Houston to Washington DC including all fees?
- Frontier has the lowest median fare on Houston to Washington DC at USD 188 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Houston–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 378. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Houston to Washington DC routes?
- Houston to Washington DC has 6 airlines competing, creating a price range from USD 188 to USD 673 across 84 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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