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Washington → Saint Louis

Aug 20, 2027 · return Aug 23, 2027

DCA → STL1 adulteconomyRound trip

8 flight options · 4 airlines

Nonstop flights

Fri, Aug 20 – Mon, Aug 23

American Airlines
8:03 pmDCA
2h 35m
Nonstop
9:38 pmSTL
American Airlines
6:00 amSTL
2h 3m
Nonstop
9:03 amDCA

Round-trip total · 1 adult · Taxes included

Fri, Aug 20 – Mon, Aug 23

American Airlines
8:11 amDCA
2h 44m
Nonstop
9:55 amSTL
American Airlines
6:00 amSTL
2h 3m
Nonstop
9:03 amDCA

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Aug 20 – Mon, Aug 23

Southwest Airlines
4:40 pmDCA
5h 20m
ATL · 1h 40m
9:00 pmSTL
Southwest Airlines
10:35 amSTL
3h 45m
BNA · 1h
3:20 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Aug 20 – Mon, Aug 23

United Airlines
6:30 amDCA
5h 12m
ORD · 1h 8m
10:42 amSTL
United Airlines
6:00 amSTL
5h 29m
EWR · 1h 39m
12:29 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Aug 20 – Mon, Aug 23

Delta Air Lines
9:45 amDCA
4h 45m
DTW · 1h 21m
1:30 pmSTL
Delta Air Lines
10:14 amSTL
5h 24m
DTW · 2h 20m
4:38 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Aug 20 – Mon, Aug 23

Southwest Airlines
2:40 pmDCA
2h 25m
Nonstop
4:05 pmSTL
Southwest Airlines
10:35 amSTL
3h 45m
BNA · 1h
3:20 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Aug 20 – Mon, Aug 23

American Airlines
6:17 amDCA
5h 2m
CLT · 1h 17m
10:19 amSTL
American Airlines
6:00 amSTL
2h 3m
Nonstop
9:03 amDCA

Round-trip total · 1 adult · Taxes included

Fri, Aug 20 – Mon, Aug 23

American Airlines
11:46 amDCA
5h 5m
ORD · 1h 21m
3:51 pmSTL
American Airlines
6:00 amSTL
2h 3m
Nonstop
9:03 amDCA

Round-trip total · 1 adult · Taxes included

Make this trip yours

DCA ⇄ STL

Economy

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

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More dates

All dates for this routeNov 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
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.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2027-08-20 → 2027-08-23American AirlinesAA4664 / AA2153$350.002026-10-29T01:02:54Z
2027-08-20 → 2027-08-23Southwest AirlinesWN4901 + WN261 / WN665 + WN473$305.002026-10-29T01:02:54Z
2027-08-20 → 2027-08-23United AirlinesUA1793 + UA3556 / UA1344 + UA4172$335.002026-10-29T01:02:54Z
2027-08-20 → 2027-08-23Delta Air LinesDL1558 + DL1371 / DL2868 + DL1454$345.002026-10-29T01:02:54Z
2027-08-20 → 2027-08-23American AirlinesAA4458 / AA2153$350.002026-10-29T01:02:54Z
2027-08-20 → 2027-08-23Southwest AirlinesWN754 / WN665 + WN473$317.502026-10-29T01:02:54Z
2027-08-20 → 2027-08-23American AirlinesAA1617 + AA2486 / AA2153$337.502026-10-29T01:02:54Z
2027-08-20 → 2027-08-23American AirlinesAA2612 + AA1713 / AA2153$337.502026-10-29T01:02:54Z

2027-08-20 → 2027-08-23 · $350.00

  • American Airlines AA4664: DCA 2027-08-20 20:03:00 → STL 2027-08-20 21:38:00; nonstop; 155 minutes. Local airport times.
  • American Airlines AA2153: STL 2027-08-23 06:00:00 → DCA 2027-08-23 09:03:00; nonstop; 123 minutes. Local airport times.

2027-08-20 → 2027-08-23 · $305.00

  • Southwest Airlines WN4901 / WN261: DCA 2027-08-20 16:40:00 → STL 2027-08-20 21:00:00; 1 stop(s) via ATL; 320 minutes. Local airport times.
    • WN4901: DCA 2027-08-20 16:40:00 → ATL 2027-08-20 18:35:00; layover at ATL: 100 minutes.
    • WN261: ATL 2027-08-20 20:15:00 → STL 2027-08-20 21:00:00.
  • Southwest Airlines WN665 / WN473: STL 2027-08-23 10:35:00 → DCA 2027-08-23 15:20:00; 1 stop(s) via BNA; 225 minutes. Local airport times.
    • WN665: STL 2027-08-23 10:35:00 → BNA 2027-08-23 11:40:00; layover at BNA: 60 minutes.
    • WN473: BNA 2027-08-23 12:40:00 → DCA 2027-08-23 15:20:00.

2027-08-20 → 2027-08-23 · $335.00

  • United Airlines UA1793 / UA3556: DCA 2027-08-20 06:30:00 → STL 2027-08-20 10:42:00; 1 stop(s) via ORD; 312 minutes. Local airport times.
    • UA1793: DCA 2027-08-20 06:30:00 → ORD 2027-08-20 07:52:00; layover at ORD: 68 minutes.
    • UA3556: ORD 2027-08-20 09:00:00 → STL 2027-08-20 10:42:00.
  • United Airlines UA1344 / UA4172: STL 2027-08-23 06:00:00 → DCA 2027-08-23 12:29:00; 1 stop(s) via EWR; 329 minutes. Local airport times.
    • UA1344: STL 2027-08-23 06:00:00 → EWR 2027-08-23 09:21:00; layover at EWR: 99 minutes.
    • UA4172: EWR 2027-08-23 11:00:00 → DCA 2027-08-23 12:29:00.

2027-08-20 → 2027-08-23 · $345.00

  • Delta Air Lines DL1558 / DL1371: DCA 2027-08-20 09:45:00 → STL 2027-08-20 13:30:00; 1 stop(s) via DTW; 285 minutes. Local airport times.
    • DL1558: DCA 2027-08-20 09:45:00 → DTW 2027-08-20 11:22:00; layover at DTW: 81 minutes.
    • DL1371: DTW 2027-08-20 12:43:00 → STL 2027-08-20 13:30:00.
  • Delta Air Lines DL2868 / DL1454: STL 2027-08-23 10:14:00 → DCA 2027-08-23 16:38:00; 1 stop(s) via DTW; 324 minutes. Local airport times.
    • DL2868: STL 2027-08-23 10:14:00 → DTW 2027-08-23 12:46:00; layover at DTW: 140 minutes.
    • DL1454: DTW 2027-08-23 15:06:00 → DCA 2027-08-23 16:38:00.

2027-08-20 → 2027-08-23 · $350.00

  • American Airlines AA4458: DCA 2027-08-20 08:11:00 → STL 2027-08-20 09:55:00; nonstop; 164 minutes. Local airport times.
  • American Airlines AA2153: STL 2027-08-23 06:00:00 → DCA 2027-08-23 09:03:00; nonstop; 123 minutes. Local airport times.

2027-08-20 → 2027-08-23 · $317.50

  • Southwest Airlines WN754: DCA 2027-08-20 14:40:00 → STL 2027-08-20 16:05:00; nonstop; 145 minutes. Local airport times.
  • Southwest Airlines WN665 / WN473: STL 2027-08-23 10:35:00 → DCA 2027-08-23 15:20:00; 1 stop(s) via BNA; 225 minutes. Local airport times.
    • WN665: STL 2027-08-23 10:35:00 → BNA 2027-08-23 11:40:00; layover at BNA: 60 minutes.
    • WN473: BNA 2027-08-23 12:40:00 → DCA 2027-08-23 15:20:00.

2027-08-20 → 2027-08-23 · $337.50

  • American Airlines AA1617 / AA2486: DCA 2027-08-20 06:17:00 → STL 2027-08-20 10:19:00; 1 stop(s) via CLT; 302 minutes. Local airport times.
    • AA1617: DCA 2027-08-20 06:17:00 → CLT 2027-08-20 07:58:00; layover at CLT: 77 minutes.
    • AA2486: CLT 2027-08-20 09:15:00 → STL 2027-08-20 10:19:00.
  • American Airlines AA2153: STL 2027-08-23 06:00:00 → DCA 2027-08-23 09:03:00; nonstop; 123 minutes. Local airport times.

2027-08-20 → 2027-08-23 · $337.50

  • American Airlines AA2612 / AA1713: DCA 2027-08-20 11:46:00 → STL 2027-08-20 15:51:00; 1 stop(s) via ORD; 305 minutes. Local airport times.
    • AA2612: DCA 2027-08-20 11:46:00 → ORD 2027-08-20 13:08:00; layover at ORD: 81 minutes.
    • AA1713: ORD 2027-08-20 14:29:00 → STL 2027-08-20 15:51:00.
  • American Airlines AA2153: STL 2027-08-23 06:00:00 → DCA 2027-08-23 09:03:00; nonstop; 123 minutes. Local airport times.

More dates for this route