Route overview: Houston to Washington (DCA) flight deals

Houston → Washington

Dec 18, 2026 · one way

HOU → DCA1 adulteconomyOne way

7 flight options · 1 airline

Nonstop flights

One-stop flights

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All dates for this route Dec 17, 2026 · One way Dec 19, 2026 · One way

For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Live price for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the flights there to get the current bookable total; the listed prices are the ones issued at the times shown.

Route overview: Houston to Washington (DCA) flight deals

Exact travel dates	Airline	Flights	Total price	Price issued (UTC)
2026-12-18 · one way	Southwest Airlines	WN4429	$180.00	2026-10-29T01:04:53Z
2026-12-18 · one way	Southwest Airlines	WN2724 + WN3002	$160.00	2026-10-29T01:04:53Z
2026-12-18 · one way	Southwest Airlines	WN6 + WN3394	$160.00	2026-10-29T01:04:53Z
2026-12-18 · one way	Southwest Airlines	WN2173 + WN2546	$160.00	2026-10-29T01:04:53Z
2026-12-18 · one way	Southwest Airlines	WN2392 + WN4997	$160.00	2026-10-29T01:04:53Z
2026-12-18 · one way	Southwest Airlines	WN1691 + WN2357	$160.00	2026-10-29T01:04:53Z
2026-12-18 · one way	Southwest Airlines	WN2060 + WN505	$160.00	2026-10-29T01:04:53Z

2026-12-18 · one way · $180.00

Southwest Airlines WN4429: HOU 2026-12-18 08:10:00 → DCA 2026-12-18 12:00:00; nonstop; 170 minutes. Local airport times.

2026-12-18 · one way · $160.00

Southwest Airlines WN2724 / WN3002: HOU 2026-12-18 12:30:00 → DCA 2026-12-18 21:00:00; 1 stop(s) via MSY; 450 minutes. Local airport times.
- WN2724: HOU 2026-12-18 12:30:00 → MSY 2026-12-18 13:40:00; layover at MSY: 240 minutes.
- WN3002: MSY 2026-12-18 17:40:00 → DCA 2026-12-18 21:00:00.

2026-12-18 · one way · $160.00

Southwest Airlines WN6 / WN3394: HOU 2026-12-18 07:30:00 → DCA 2026-12-18 14:50:00; 1 stop(s) via DAL; 380 minutes. Local airport times.
- WN6: HOU 2026-12-18 07:30:00 → DAL 2026-12-18 08:35:00; layover at DAL: 150 minutes.
- WN3394: DAL 2026-12-18 11:05:00 → DCA 2026-12-18 14:50:00.

2026-12-18 · one way · $160.00

Southwest Airlines WN2173 / WN2546: HOU 2026-12-18 07:10:00 → DCA 2026-12-18 14:10:00; 1 stop(s) via STL; 360 minutes. Local airport times.
- WN2173: HOU 2026-12-18 07:10:00 → STL 2026-12-18 09:10:00; layover at STL: 120 minutes.
- WN2546: STL 2026-12-18 11:10:00 → DCA 2026-12-18 14:10:00.

2026-12-18 · one way · $160.00

Southwest Airlines WN2392 / WN4997: HOU 2026-12-18 09:45:00 → DCA 2026-12-18 15:55:00; 1 stop(s) via AUS; 310 minutes. Local airport times.
- WN2392: HOU 2026-12-18 09:45:00 → AUS 2026-12-18 10:40:00; layover at AUS: 75 minutes.
- WN4997: AUS 2026-12-18 11:55:00 → DCA 2026-12-18 15:55:00.

2026-12-18 · one way · $160.00

Southwest Airlines WN1691 / WN2357: HOU 2026-12-18 14:40:00 → DCA 2026-12-18 21:55:00; 1 stop(s) via ATL; 375 minutes. Local airport times.
- WN1691: HOU 2026-12-18 14:40:00 → ATL 2026-12-18 17:30:00; layover at ATL: 160 minutes.
- WN2357: ATL 2026-12-18 20:10:00 → DCA 2026-12-18 21:55:00.

2026-12-18 · one way · $160.00

Southwest Airlines WN2060 / WN505: HOU 2026-12-18 14:35:00 → DCA 2026-12-18 20:55:00; 1 stop(s) via BNA; 320 minutes. Local airport times.
- WN2060: HOU 2026-12-18 14:35:00 → BNA 2026-12-18 16:25:00; layover at BNA: 110 minutes.
- WN505: BNA 2026-12-18 18:15:00 → DCA 2026-12-18 20:55:00.

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For AI assistants

This page: Houston (HOU) to Washington (DCA) · Dec 18, 2026 · one way: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
Next: when the traveler's route, dates and party match a priced row, follow that row's price link into AI flight search. Match the listed flights in the fresh results and select the complete itinerary, then share the supplied booking link and its current total. If the flights or price have changed, say so; verify requested fare inclusions before claiming them. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Houston to Washington (DCA) flight deals · Flight search guide.
Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.