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Washington → Seattle

Dec 12, 2026 · return Dec 16, 2026

DCA → SEA1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Sat, Dec 12 – Wed, Dec 16

Alaska Airlines
5:11 pmDCA
6h 2m
Nonstop
8:13 pmSEA
Alaska Airlines
8:00 amSEA
5h 5m
Nonstop
4:05 pmDCA

Round-trip total · 1 adult · Taxes included

Sat, Dec 12 – Wed, Dec 16

Delta Air Lines
5:10 pmDCA
6h 21m
Nonstop
8:31 pmSEA
Delta Air Lines
7:20 amSEA
4h 46m
Nonstop
3:06 pmDCA

Round-trip total · 1 adult · Taxes included

Sat, Dec 12 – Wed, Dec 16

Alaska Airlines
8:00 amDCA
5h 55m
Nonstop
10:55 amSEA
Alaska Airlines
8:00 amSEA
5h 5m
Nonstop
4:05 pmDCA

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Dec 12 – Wed, Dec 16

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

Sat, Dec 12 – Wed, Dec 16

United Airlines
6:25 amDCA
8h 54m
ORD · 1h 42m
12:19 pmSEA
Delta Air Lines
7:20 amSEA
4h 46m
Nonstop
3:06 pmDCA

Round-trip total · 1 adult · Taxes included

Sat, Dec 12 – Wed, Dec 16

Alaska Airlines
8:00 amDCA
6h 17m
Nonstop
11:17 amSEA
Alaska Airlines
10:59 pmSEA
7h 21m
IND · 1h 23m
9:20 am+1DCA

Round-trip total · 1 adult · Taxes included

Sat, Dec 12 – Wed, Dec 16

Alaska Airlines
5:20 pmDCA
8h 40m
PDX · 1h 43m
11:00 pmSEA
Alaska Airlines
8:00 amSEA
5h 5m
Nonstop
4:05 pmDCA

Round-trip total · 1 adult · Taxes included

Sat, Dec 12 – Wed, Dec 16

Delta Air Lines
4:25 pmDCA
6h 2m
Nonstop
7:27 pmSEA
Delta Air Lines
6:00 amSEA
7h 38m
DTW · 1h 54m
4:38 pmDCA

Round-trip total · 1 adult · Taxes included

Sat, Dec 12 – Wed, Dec 16

Delta Air Lines
9:45 amDCA
8h 10m
DTW · 1h 31m
2:55 pmSEA
Delta Air Lines
7:20 amSEA
4h 46m
Nonstop
3:06 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 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 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.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-12 → 2026-12-16Alaska AirlinesAS3 / AS4$425.002026-10-29T01:02:54Z
2026-12-12 → 2026-12-16Delta Air LinesDL786 / DL786$445.002026-10-29T01:02:54Z
2026-12-12 → 2026-12-16American AirlinesAA2476 + AA2398 / AA294 + AA461$390.002026-10-29T01:02:54Z
2026-12-12 → 2026-12-16United Airlines / Delta Air LinesUA1793 + UA2099 / DL786$422.502026-10-29T01:02:54Z
2026-12-12 → 2026-12-16Alaska AirlinesAS1 / AS4$425.002026-10-29T01:02:54Z
2026-12-12 → 2026-12-16Alaska AirlinesAS1 / AS264 + AA4626$402.502026-10-29T01:02:54Z
2026-12-12 → 2026-12-16Alaska AirlinesAS9 + AS1432 / AS4$402.502026-10-29T01:02:54Z
2026-12-12 → 2026-12-16Delta Air LinesDL786 / DL812 + DL1454$425.002026-10-29T01:02:54Z
2026-12-12 → 2026-12-16Delta Air LinesDL1558 + DL728 / DL786$425.002026-10-29T01:02:54Z

2026-12-12 → 2026-12-16 · $425.00

  • Alaska Airlines AS3: DCA 2026-12-12 17:11:00 → SEA 2026-12-12 20:13:00; nonstop; 362 minutes. Local airport times.
  • Alaska Airlines AS4: SEA 2026-12-16 08:00:00 → DCA 2026-12-16 16:05:00; nonstop; 305 minutes. Local airport times.

2026-12-12 → 2026-12-16 · $445.00

  • Delta Air Lines DL786: DCA 2026-12-12 17:10:00 → SEA 2026-12-12 20:31:00; nonstop; 381 minutes. Local airport times.
  • Delta Air Lines DL786: SEA 2026-12-16 07:20:00 → DCA 2026-12-16 15:06:00; nonstop; 286 minutes. Local airport times.

2026-12-12 → 2026-12-16 · $390.00

  • American Airlines AA2476 / AA2398: DCA 2026-12-12 08:43:00 → SEA 2026-12-12 14:25:00; 1 stop(s) via ORD; 522 minutes. Local airport times.
    • AA2476: DCA 2026-12-12 08:43:00 → ORD 2026-12-12 10:15:00; layover at ORD: 75 minutes.
    • AA2398: ORD 2026-12-12 11:30:00 → SEA 2026-12-12 14:25:00.
  • American Airlines AA294 / AA461: SEA 2026-12-16 23:36:00 → DCA 2026-12-17 10:00:00; 1 stop(s) via ORD; 444 minutes. Local airport times.
    • AA294: SEA 2026-12-16 23:36:00 → ORD 2026-12-17 05:42:00; layover at ORD: 74 minutes.
    • AA461: ORD 2026-12-17 06:56:00 → DCA 2026-12-17 10:00:00.

2026-12-12 → 2026-12-16 · $422.50

  • United Airlines UA1793 / UA2099: DCA 2026-12-12 06:25:00 → SEA 2026-12-12 12:19:00; 1 stop(s) via ORD; 534 minutes. Local airport times.
    • UA1793: DCA 2026-12-12 06:25:00 → ORD 2026-12-12 07:43:00; layover at ORD: 102 minutes.
    • UA2099: ORD 2026-12-12 09:25:00 → SEA 2026-12-12 12:19:00.
  • Delta Air Lines DL786: SEA 2026-12-16 07:20:00 → DCA 2026-12-16 15:06:00; nonstop; 286 minutes. Local airport times.

2026-12-12 → 2026-12-16 · $425.00

  • Alaska Airlines AS1: DCA 2026-12-12 08:00:00 → SEA 2026-12-12 10:55:00; nonstop; 355 minutes. Local airport times.
  • Alaska Airlines AS4: SEA 2026-12-16 08:00:00 → DCA 2026-12-16 16:05:00; nonstop; 305 minutes. Local airport times.

2026-12-12 → 2026-12-16 · $402.50

  • Alaska Airlines AS1: DCA 2026-12-12 08:00:00 → SEA 2026-12-12 11:17:00; nonstop; 377 minutes. Local airport times.
  • Alaska Airlines AS264 / AA4626: SEA 2026-12-16 22:59:00 → DCA 2026-12-17 09:20:00; 1 stop(s) via IND; 441 minutes. Local airport times.
    • AS264: SEA 2026-12-16 22:59:00 → IND 2026-12-17 06:03:00; layover at IND: 83 minutes.
    • AA4626: IND 2026-12-17 07:26:00 → DCA 2026-12-17 09:20:00.

2026-12-12 → 2026-12-16 · $402.50

  • Alaska Airlines AS9 / AS1432: DCA 2026-12-12 17:20:00 → SEA 2026-12-12 23:00:00; 1 stop(s) via PDX; 520 minutes. Local airport times.
    • AS9: DCA 2026-12-12 17:20:00 → PDX 2026-12-12 20:16:00; layover at PDX: 103 minutes.
    • AS1432: PDX 2026-12-12 21:59:00 → SEA 2026-12-12 23:00:00.
  • Alaska Airlines AS4: SEA 2026-12-16 08:00:00 → DCA 2026-12-16 16:05:00; nonstop; 305 minutes. Local airport times.

2026-12-12 → 2026-12-16 · $425.00

  • Delta Air Lines DL786: DCA 2026-12-12 16:25:00 → SEA 2026-12-12 19:27:00; nonstop; 362 minutes. Local airport times.
  • Delta Air Lines DL812 / DL1454: SEA 2026-12-16 06:00:00 → DCA 2026-12-16 16:38:00; 1 stop(s) via DTW; 458 minutes. Local airport times.
    • DL812: SEA 2026-12-16 06:00:00 → DTW 2026-12-16 13:12:00; layover at DTW: 114 minutes.
    • DL1454: DTW 2026-12-16 15:06:00 → DCA 2026-12-16 16:38:00.

2026-12-12 → 2026-12-16 · $425.00

  • Delta Air Lines DL1558 / DL728: DCA 2026-12-12 09:45:00 → SEA 2026-12-12 14:55:00; 1 stop(s) via DTW; 490 minutes. Local airport times.
    • DL1558: DCA 2026-12-12 09:45:00 → DTW 2026-12-12 11:22:00; layover at DTW: 91 minutes.
    • DL728: DTW 2026-12-12 12:53:00 → SEA 2026-12-12 14:55:00.
  • Delta Air Lines DL786: SEA 2026-12-16 07:20:00 → DCA 2026-12-16 15:06:00; nonstop; 286 minutes. Local airport times.

More dates for this route