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Washington → Seattle

Dec 18, 2026 · return Dec 25, 2026

DCA → SEA1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Fri, Dec 18 – Fri, Dec 25

Alaska Airlines
5:11 pmDCA
6h 2m
Nonstop
8:13 pmSEA
Alaska Airlines
8:00 amSEA
5h 6m
Nonstop
4:06 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Fri, Dec 25

Delta Air Lines
4:25 pmDCA
6h 2m
Nonstop
7:27 pmSEA
Delta Air Lines
8:15 amSEA
4h 45m
Nonstop
4:00 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Fri, Dec 25

Alaska Airlines
8:00 amDCA
5h 55m
Nonstop
10:55 amSEA
Alaska Airlines
8:00 amSEA
5h 6m
Nonstop
4:06 pmDCA

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Dec 18 – Fri, Dec 25

American Airlines
8:43 amDCA
8h 42m
ORD · 1h 15m
2:25 pmSEA
American Airlines
11:36 pmSEA
7h 24m
ORD · 1h 14m
10:00 am+1DCA

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Fri, Dec 25

United Airlines
6:25 amDCA
8h 54m
ORD · 1h 42m
12:19 pmSEA
Alaska Airlines
8:00 amSEA
5h 6m
Nonstop
4:06 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Fri, Dec 25

American Airlines
2:25 pmDCA
8h 46m
IND · 1h 40m
8:11 pmSEA
American Airlines
11:36 pmSEA
7h 24m
ORD · 1h 14m
10:00 am+1DCA

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Fri, Dec 25

Alaska Airlines
5:20 pmDCA
8h 40m
PDX · 1h 43m
11:00 pmSEA
Alaska Airlines
8:00 amSEA
5h 6m
Nonstop
4:06 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Fri, Dec 25

Delta Air Lines
4:25 pmDCA
6h 20m
Nonstop
7:45 pmSEA
Delta Air Lines
1:50 pmSEA
7h 7m
MSP · 1h 14m
11:57 pmDCA

Round-trip total · 1 adult · Taxes included

Fri, Dec 18 – Fri, Dec 25

Delta Air Lines
9:45 amDCA
8h 10m
DTW · 1h 31m
2:55 pmSEA
Delta Air Lines
8:15 amSEA
4h 45m
Nonstop
4:00 pmDCA

Round-trip total · 1 adult · Taxes included

Make this trip yours

DCA ⇄ SEA

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)
2026-12-18 → 2026-12-25Alaska AirlinesAS3 / AS4$499.382026-10-29T01:02:54Z
2026-12-18 → 2026-12-25Delta Air LinesDL786 / DL786$522.882026-10-29T01:02:54Z
2026-12-18 → 2026-12-25American AirlinesAA2476 + AA2398 / AA294 + AA461$458.252026-10-29T01:02:54Z
2026-12-18 → 2026-12-25United Airlines / Alaska AirlinesUA1793 + UA2099 / AS4$486.882026-10-29T01:02:54Z
2026-12-18 → 2026-12-25Alaska AirlinesAS1 / AS4$499.382026-10-29T01:02:54Z
2026-12-18 → 2026-12-25American AirlinesAA4720 + AS500 / AA294 + AA461$458.252026-10-29T01:02:54Z
2026-12-18 → 2026-12-25Alaska AirlinesAS9 + AS1432 / AS4$476.882026-10-29T01:02:54Z
2026-12-18 → 2026-12-25Delta Air LinesDL786 / DL942 + DL2961$495.882026-10-29T01:02:54Z
2026-12-18 → 2026-12-25Delta Air LinesDL1558 + DL728 / DL786$502.882026-10-29T01:02:54Z

2026-12-18 → 2026-12-25 · $499.38

  • Alaska Airlines AS3: DCA 2026-12-18 17:11:00 → SEA 2026-12-18 20:13:00; nonstop; 362 minutes. Local airport times.
  • Alaska Airlines AS4: SEA 2026-12-25 08:00:00 → DCA 2026-12-25 16:06:00; nonstop; 306 minutes. Local airport times.

2026-12-18 → 2026-12-25 · $522.88

  • Delta Air Lines DL786: DCA 2026-12-18 16:25:00 → SEA 2026-12-18 19:27:00; nonstop; 362 minutes. Local airport times.
  • Delta Air Lines DL786: SEA 2026-12-25 08:15:00 → DCA 2026-12-25 16:00:00; nonstop; 285 minutes. Local airport times.

2026-12-18 → 2026-12-25 · $458.25

  • American Airlines AA2476 / AA2398: DCA 2026-12-18 08:43:00 → SEA 2026-12-18 14:25:00; 1 stop(s) via ORD; 522 minutes. Local airport times.
    • AA2476: DCA 2026-12-18 08:43:00 → ORD 2026-12-18 10:15:00; layover at ORD: 75 minutes.
    • AA2398: ORD 2026-12-18 11:30:00 → SEA 2026-12-18 14:25:00.
  • American Airlines AA294 / AA461: SEA 2026-12-25 23:36:00 → DCA 2026-12-26 10:00:00; 1 stop(s) via ORD; 444 minutes. Local airport times.
    • AA294: SEA 2026-12-25 23:36:00 → ORD 2026-12-26 05:42:00; layover at ORD: 74 minutes.
    • AA461: ORD 2026-12-26 06:56:00 → DCA 2026-12-26 10:00:00.

2026-12-18 → 2026-12-25 · $486.88

  • United Airlines UA1793 / UA2099: DCA 2026-12-18 06:25:00 → SEA 2026-12-18 12:19:00; 1 stop(s) via ORD; 534 minutes. Local airport times.
    • UA1793: DCA 2026-12-18 06:25:00 → ORD 2026-12-18 07:43:00; layover at ORD: 102 minutes.
    • UA2099: ORD 2026-12-18 09:25:00 → SEA 2026-12-18 12:19:00.
  • Alaska Airlines AS4: SEA 2026-12-25 08:00:00 → DCA 2026-12-25 16:06:00; nonstop; 306 minutes. Local airport times.

2026-12-18 → 2026-12-25 · $499.38

  • Alaska Airlines AS1: DCA 2026-12-18 08:00:00 → SEA 2026-12-18 10:55:00; nonstop; 355 minutes. Local airport times.
  • Alaska Airlines AS4: SEA 2026-12-25 08:00:00 → DCA 2026-12-25 16:06:00; nonstop; 306 minutes. Local airport times.

2026-12-18 → 2026-12-25 · $458.25

  • American Airlines AA4720 / AS500: DCA 2026-12-18 14:25:00 → SEA 2026-12-18 20:11:00; 1 stop(s) via IND; 526 minutes. Local airport times.
    • AA4720: DCA 2026-12-18 14:25:00 → IND 2026-12-18 16:27:00; layover at IND: 100 minutes.
    • AS500: IND 2026-12-18 18:07:00 → SEA 2026-12-18 20:11:00.
  • American Airlines AA294 / AA461: SEA 2026-12-25 23:36:00 → DCA 2026-12-26 10:00:00; 1 stop(s) via ORD; 444 minutes. Local airport times.
    • AA294: SEA 2026-12-25 23:36:00 → ORD 2026-12-26 05:42:00; layover at ORD: 74 minutes.
    • AA461: ORD 2026-12-26 06:56:00 → DCA 2026-12-26 10:00:00.

2026-12-18 → 2026-12-25 · $476.88

  • Alaska Airlines AS9 / AS1432: DCA 2026-12-18 17:20:00 → SEA 2026-12-18 23:00:00; 1 stop(s) via PDX; 520 minutes. Local airport times.
    • AS9: DCA 2026-12-18 17:20:00 → PDX 2026-12-18 20:16:00; layover at PDX: 103 minutes.
    • AS1432: PDX 2026-12-18 21:59:00 → SEA 2026-12-18 23:00:00.
  • Alaska Airlines AS4: SEA 2026-12-25 08:00:00 → DCA 2026-12-25 16:06:00; nonstop; 306 minutes. Local airport times.

2026-12-18 → 2026-12-25 · $495.88

  • Delta Air Lines DL786: DCA 2026-12-18 16:25:00 → SEA 2026-12-18 19:45:00; nonstop; 380 minutes. Local airport times.
  • Delta Air Lines DL942 / DL2961: SEA 2026-12-25 13:50:00 → DCA 2026-12-25 23:57:00; 1 stop(s) via MSP; 427 minutes. Local airport times.
    • DL942: SEA 2026-12-25 13:50:00 → MSP 2026-12-25 19:11:00; layover at MSP: 74 minutes.
    • DL2961: MSP 2026-12-25 20:25:00 → DCA 2026-12-25 23:57:00.

2026-12-18 → 2026-12-25 · $502.88

  • Delta Air Lines DL1558 / DL728: DCA 2026-12-18 09:45:00 → SEA 2026-12-18 14:55:00; 1 stop(s) via DTW; 490 minutes. Local airport times.
    • DL1558: DCA 2026-12-18 09:45:00 → DTW 2026-12-18 11:22:00; layover at DTW: 91 minutes.
    • DL728: DTW 2026-12-18 12:53:00 → SEA 2026-12-18 14:55:00.
  • Delta Air Lines DL786: SEA 2026-12-25 08:15:00 → DCA 2026-12-25 16:00:00; nonstop; 285 minutes. Local airport times.

More dates for this route