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Route overview: Denver to Washington (DCA) flight deals

Denver → Washington

Dec 18, 2026 · return Dec 23, 2026

DEN → DCA1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Fri, Dec 18 – Wed, Dec 23

Frontier Airlines
11:35 amDEN
3h 17m
Nonstop
4:52 pmDCA
Frontier Airlines
1:20 pmDCA
4h 9m
Nonstop
3:29 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Wed, Dec 23

United Airlines
9:35 amDEN
3h 21m
Nonstop
2:56 pmDCA
United Airlines
4:13 pmDCA
4h 7m
Nonstop
6:20 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Wed, Dec 23

Frontier Airlines
4:40 pmDEN
3h 15m
Nonstop
9:55 pmDCA
Frontier Airlines
1:20 pmDCA
4h 9m
Nonstop
3:29 pmDEN

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Dec 18 – Wed, Dec 23

Southwest Airlines
2:00 pmDEN
6h 20m
MCI · 2h 30m
10:20 pmDCA
Southwest Airlines
5:25 pmDCA
6h 45m
DAL · 1h 10m
10:10 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Wed, Dec 23

Delta Air Lines
10:46 amDEN
6h 27m
ATL · 1h 57m
7:13 pmDCA
Delta Air Lines
7:20 pmDCA
6h 29m
MSP · 1h 23m
11:49 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Wed, Dec 23

Southwest Airlines
2:25 pmDEN
6h 30m
BNA · 2h 30m
10:55 pmDCA
Southwest Airlines
5:25 pmDCA
6h 45m
DAL · 1h 10m
10:10 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Wed, Dec 23

United Airlines
9:50 amDEN
6h 28m
YYZ · 1h 38m
6:18 pmDCA
United Airlines
4:13 pmDCA
4h 7m
Nonstop
6:20 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Wed, Dec 23

United Airlines
9:55 amDEN
6h 28m
ORD · 1h 35m
6:23 pmDCA
United Airlines
4:13 pmDCA
4h 7m
Nonstop
6:20 pmDEN

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Wed, Dec 23

Delta Air Lines
10:39 amDEN
6h
DTW · 1h 47m
6:39 pmDCA
Delta Air Lines
7:20 pmDCA
6h 29m
MSP · 1h 23m
11:49 pmDEN

Round-trip total · 1 adult · Taxes included

Make this trip yours

DEN ⇄ DCA

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Explore this route

All dates for this routeDec 17, 2026 → Dec 22, 2026Dec 19, 2026 → Dec 24, 2026
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: opening any fare on this page checks it live and shows the current bookable total for 1 adult. Check live prices for Denver (DEN) to Washington (DCA), Dec 18, 2026 · return Dec 23, 2026

Route overview: Denver to Washington (DCA) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-18 → 2026-12-23Frontier AirlinesF9688 / F9687$207.002026-10-29T01:03:30Z
2026-12-18 → 2026-12-23United AirlinesUA647 / UA746$408.252026-10-29T01:03:30Z
2026-12-18 → 2026-12-23Southwest AirlinesWN2075 + WN2234 / WN158 + WN528$345.002026-10-29T01:03:30Z
2026-12-18 → 2026-12-23Delta Air LinesDL346 + DL832 / DL2963 + DL1278$391.002026-10-29T01:03:30Z
2026-12-18 → 2026-12-23Frontier AirlinesF9690 / F9687$207.002026-10-29T01:03:30Z
2026-12-18 → 2026-12-23Southwest AirlinesWN1573 + WN4667 / WN158 + WN528$345.002026-10-29T01:03:30Z
2026-12-18 → 2026-12-23United AirlinesUA1874 + AC8784 / UA746$385.752026-10-29T01:03:30Z
2026-12-18 → 2026-12-23United AirlinesUA2329 + UA5992 / UA746$385.752026-10-29T01:03:30Z
2026-12-18 → 2026-12-23Delta Air LinesDL1113 + DL2030 / DL2963 + DL1278$391.002026-10-29T01:03:30Z

2026-12-18 → 2026-12-23 · $207.00

  • Frontier Airlines F9688: DEN 2026-12-18 11:35:00 → DCA 2026-12-18 16:52:00; nonstop; 197 minutes. Local airport times.
  • Frontier Airlines F9687: DCA 2026-12-23 13:20:00 → DEN 2026-12-23 15:29:00; nonstop; 249 minutes. Local airport times.

2026-12-18 → 2026-12-23 · $408.25

  • United Airlines UA647: DEN 2026-12-18 09:35:00 → DCA 2026-12-18 14:56:00; nonstop; 201 minutes. Local airport times.
  • United Airlines UA746: DCA 2026-12-23 16:13:00 → DEN 2026-12-23 18:20:00; nonstop; 247 minutes. Local airport times.

2026-12-18 → 2026-12-23 · $345.00

  • Southwest Airlines WN2075 / WN2234: DEN 2026-12-18 14:00:00 → DCA 2026-12-18 22:20:00; 1 stop(s) via MCI; 380 minutes. Local airport times.
    • WN2075: DEN 2026-12-18 14:00:00 → MCI 2026-12-18 16:35:00; layover at MCI: 150 minutes.
    • WN2234: MCI 2026-12-18 19:05:00 → DCA 2026-12-18 22:20:00.
  • Southwest Airlines WN158 / WN528: DCA 2026-12-23 17:25:00 → DEN 2026-12-23 22:10:00; 1 stop(s) via DAL; 405 minutes. Local airport times.
    • WN158: DCA 2026-12-23 17:25:00 → DAL 2026-12-23 19:55:00; layover at DAL: 70 minutes.
    • WN528: DAL 2026-12-23 21:05:00 → DEN 2026-12-23 22:10:00.

2026-12-18 → 2026-12-23 · $391.00

  • Delta Air Lines DL346 / DL832: DEN 2026-12-18 10:46:00 → DCA 2026-12-18 19:13:00; 1 stop(s) via ATL; 387 minutes. Local airport times.
    • DL346: DEN 2026-12-18 10:46:00 → ATL 2026-12-18 15:33:00; layover at ATL: 117 minutes.
    • DL832: ATL 2026-12-18 17:30:00 → DCA 2026-12-18 19:13:00.
  • Delta Air Lines DL2963 / DL1278: DCA 2026-12-23 19:20:00 → DEN 2026-12-23 23:49:00; 1 stop(s) via MSP; 389 minutes. Local airport times.
    • DL2963: DCA 2026-12-23 19:20:00 → MSP 2026-12-23 21:06:00; layover at MSP: 83 minutes.
    • DL1278: MSP 2026-12-23 22:29:00 → DEN 2026-12-23 23:49:00.

2026-12-18 → 2026-12-23 · $207.00

  • Frontier Airlines F9690: DEN 2026-12-18 16:40:00 → DCA 2026-12-18 21:55:00; nonstop; 195 minutes. Local airport times.
  • Frontier Airlines F9687: DCA 2026-12-23 13:20:00 → DEN 2026-12-23 15:29:00; nonstop; 249 minutes. Local airport times.

2026-12-18 → 2026-12-23 · $345.00

  • Southwest Airlines WN1573 / WN4667: DEN 2026-12-18 14:25:00 → DCA 2026-12-18 22:55:00; 1 stop(s) via BNA; 390 minutes. Local airport times.
    • WN1573: DEN 2026-12-18 14:25:00 → BNA 2026-12-18 17:45:00; layover at BNA: 150 minutes.
    • WN4667: BNA 2026-12-18 20:15:00 → DCA 2026-12-18 22:55:00.
  • Southwest Airlines WN158 / WN528: DCA 2026-12-23 17:25:00 → DEN 2026-12-23 22:10:00; 1 stop(s) via DAL; 405 minutes. Local airport times.
    • WN158: DCA 2026-12-23 17:25:00 → DAL 2026-12-23 19:55:00; layover at DAL: 70 minutes.
    • WN528: DAL 2026-12-23 21:05:00 → DEN 2026-12-23 22:10:00.

2026-12-18 → 2026-12-23 · $385.75

  • United Airlines UA1874 / AC8784: DEN 2026-12-18 09:50:00 → DCA 2026-12-18 18:18:00; 1 stop(s) via YYZ; 388 minutes. Local airport times.
    • UA1874: DEN 2026-12-18 09:50:00 → YYZ 2026-12-18 15:02:00; layover at YYZ: 98 minutes.
    • AC8784: YYZ 2026-12-18 16:40:00 → DCA 2026-12-18 18:18:00.
  • United Airlines UA746: DCA 2026-12-23 16:13:00 → DEN 2026-12-23 18:20:00; nonstop; 247 minutes. Local airport times.

2026-12-18 → 2026-12-23 · $385.75

  • United Airlines UA2329 / UA5992: DEN 2026-12-18 09:55:00 → DCA 2026-12-18 18:23:00; 1 stop(s) via ORD; 388 minutes. Local airport times.
    • UA2329: DEN 2026-12-18 09:55:00 → ORD 2026-12-18 13:35:00; layover at ORD: 95 minutes.
    • UA5992: ORD 2026-12-18 15:10:00 → DCA 2026-12-18 18:23:00.
  • United Airlines UA746: DCA 2026-12-23 16:13:00 → DEN 2026-12-23 18:20:00; nonstop; 247 minutes. Local airport times.

2026-12-18 → 2026-12-23 · $391.00

  • Delta Air Lines DL1113 / DL2030: DEN 2026-12-18 10:39:00 → DCA 2026-12-18 18:39:00; 1 stop(s) via DTW; 360 minutes. Local airport times.
    • DL1113: DEN 2026-12-18 10:39:00 → DTW 2026-12-18 15:20:00; layover at DTW: 107 minutes.
    • DL2030: DTW 2026-12-18 17:07:00 → DCA 2026-12-18 18:39:00.
  • Delta Air Lines DL2963 / DL1278: DCA 2026-12-23 19:20:00 → DEN 2026-12-23 23:49:00; 1 stop(s) via MSP; 389 minutes. Local airport times.
    • DL2963: DCA 2026-12-23 19:20:00 → MSP 2026-12-23 21:06:00; layover at MSP: 83 minutes.
    • DL1278: MSP 2026-12-23 22:29:00 → DEN 2026-12-23 23:49:00.

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For AI assistants

  • This page: Denver (DEN) to Washington (DCA) · Dec 18, 2026 · return Dec 23, 2026: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
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