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Seattle → Washington

Dec 6, 2026 · return Dec 8, 2026

SEA → DCA1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Sun, Dec 6 – Tue, Dec 8

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

Round-trip total · 1 adult · Taxes included

Sun, Dec 6 – Tue, Dec 8

Delta Air Lines
8:15 amSEA
4h 45m
Nonstop
4:00 pmDCA
Delta Air Lines
4:25 pmDCA
6h 20m
Nonstop
7:45 pmSEA

Round-trip total · 1 adult · Taxes included

Sun, Dec 6 – Tue, Dec 8

Alaska Airlines
2:02 pmSEA
4h 57m
Nonstop
9:59 pmDCA
Alaska Airlines
8:00 amDCA
5h 55m
Nonstop
10:55 amSEA

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 6 – Tue, Dec 8

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

Round-trip total · 1 adult · Taxes included

Sun, Dec 6 – Tue, Dec 8

Air Canada
7:45 amSEA
7h 33m
YYZ · 1h 15m
6:18 pmDCA
Alaska Airlines
8:00 amDCA
5h 55m
Nonstop
10:55 amSEA

Round-trip total · 1 adult · Taxes included

Sun, Dec 6 – Tue, Dec 8

Alaska Airlines
10:59 pmSEA
7h 21m
IND · 1h 23m
9:20 am+1DCA
Alaska Airlines
8:00 amDCA
5h 55m
Nonstop
10:55 amSEA

Round-trip total · 1 adult · Taxes included

Sun, Dec 6 – Tue, Dec 8

Delta Air Lines
7:20 amSEA
4h 46m
Nonstop
3:06 pmDCA
Delta Air Lines
11:05 amDCA
8h 58m
JFK · 1h 27m
5:03 pmSEA

Round-trip total · 1 adult · Taxes included

Sun, Dec 6 – Tue, Dec 8

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

Round-trip total · 1 adult · Taxes included

Sun, Dec 6 – Tue, Dec 8

Delta Air Lines
6:00 amSEA
7h 38m
DTW · 1h 54m
4:38 pmDCA
Delta Air Lines
4:25 pmDCA
6h 20m
Nonstop
7:45 pmSEA

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ DCA

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 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 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)
2026-12-06 → 2026-12-08Alaska AirlinesAS4 / AS1$430.002026-10-29T01:14:55Z
2026-12-06 → 2026-12-08Delta Air LinesDL786 / DL786$440.002026-10-29T01:14:55Z
2026-12-06 → 2026-12-08American AirlinesAA294 + AA461 / AA4720 + AS500$390.002026-10-29T01:14:55Z
2026-12-06 → 2026-12-08Air Canada / Alaska AirlinesAC540 + AC8784 / AS1$462.502026-10-29T01:14:55Z
2026-12-06 → 2026-12-08Alaska AirlinesAS2 / AS1$430.002026-10-29T01:14:55Z
2026-12-06 → 2026-12-08Alaska AirlinesAS264 + AA4626 / AS1$407.502026-10-29T01:14:55Z
2026-12-06 → 2026-12-08Delta Air LinesDL786 / DL5592 + DL2287$420.002026-10-29T01:14:55Z
2026-12-06 → 2026-12-08Delta Air LinesDL942 + DL2961 / DL786$420.002026-10-29T01:14:55Z
2026-12-06 → 2026-12-08Delta Air LinesDL812 + DL1454 / DL786$420.002026-10-29T01:14:55Z

2026-12-06 → 2026-12-08 · $430.00

  • Alaska Airlines AS4: SEA 2026-12-06 08:00:00 → DCA 2026-12-06 16:05:00; nonstop; 305 minutes. Local airport times.
  • Alaska Airlines AS1: DCA 2026-12-08 08:00:00 → SEA 2026-12-08 10:55:00; nonstop; 355 minutes. Local airport times.

2026-12-06 → 2026-12-08 · $440.00

  • Delta Air Lines DL786: SEA 2026-12-06 08:15:00 → DCA 2026-12-06 16:00:00; nonstop; 285 minutes. Local airport times.
  • Delta Air Lines DL786: DCA 2026-12-08 16:25:00 → SEA 2026-12-08 19:45:00; nonstop; 380 minutes. Local airport times.

2026-12-06 → 2026-12-08 · $390.00

  • American Airlines AA294 / AA461: SEA 2026-12-06 23:36:00 → DCA 2026-12-07 10:00:00; 1 stop(s) via ORD; 444 minutes. Local airport times.
    • AA294: SEA 2026-12-06 23:36:00 → ORD 2026-12-07 05:42:00; layover at ORD: 74 minutes.
    • AA461: ORD 2026-12-07 06:56:00 → DCA 2026-12-07 10:00:00.
  • American Airlines AA4720 / AS500: DCA 2026-12-08 14:25:00 → SEA 2026-12-08 20:11:00; 1 stop(s) via IND; 526 minutes. Local airport times.
    • AA4720: DCA 2026-12-08 14:25:00 → IND 2026-12-08 16:27:00; layover at IND: 100 minutes.
    • AS500: IND 2026-12-08 18:07:00 → SEA 2026-12-08 20:11:00.

2026-12-06 → 2026-12-08 · $462.50

  • Air Canada AC540 / AC8784: SEA 2026-12-06 07:45:00 → DCA 2026-12-06 18:18:00; 1 stop(s) via YYZ; 453 minutes. Local airport times.
    • AC540: SEA 2026-12-06 07:45:00 → YYZ 2026-12-06 15:25:00; layover at YYZ: 75 minutes.
    • AC8784: YYZ 2026-12-06 16:40:00 → DCA 2026-12-06 18:18:00.
  • Alaska Airlines AS1: DCA 2026-12-08 08:00:00 → SEA 2026-12-08 10:55:00; nonstop; 355 minutes. Local airport times.

2026-12-06 → 2026-12-08 · $430.00

  • Alaska Airlines AS2: SEA 2026-12-06 14:02:00 → DCA 2026-12-06 21:59:00; nonstop; 297 minutes. Local airport times.
  • Alaska Airlines AS1: DCA 2026-12-08 08:00:00 → SEA 2026-12-08 10:55:00; nonstop; 355 minutes. Local airport times.

2026-12-06 → 2026-12-08 · $407.50

  • Alaska Airlines AS264 / AA4626: SEA 2026-12-06 22:59:00 → DCA 2026-12-07 09:20:00; 1 stop(s) via IND; 441 minutes. Local airport times.
    • AS264: SEA 2026-12-06 22:59:00 → IND 2026-12-07 06:03:00; layover at IND: 83 minutes.
    • AA4626: IND 2026-12-07 07:26:00 → DCA 2026-12-07 09:20:00.
  • Alaska Airlines AS1: DCA 2026-12-08 08:00:00 → SEA 2026-12-08 10:55:00; nonstop; 355 minutes. Local airport times.

2026-12-06 → 2026-12-08 · $420.00

  • Delta Air Lines DL786: SEA 2026-12-06 07:20:00 → DCA 2026-12-06 15:06:00; nonstop; 286 minutes. Local airport times.
  • Delta Air Lines DL5592 / DL2287: DCA 2026-12-08 11:05:00 → SEA 2026-12-08 17:03:00; 1 stop(s) via JFK; 538 minutes. Local airport times.
    • DL5592: DCA 2026-12-08 11:05:00 → JFK 2026-12-08 12:21:00; layover at JFK: 87 minutes.
    • DL2287: JFK 2026-12-08 13:48:00 → SEA 2026-12-08 17:03:00.

2026-12-06 → 2026-12-08 · $420.00

  • Delta Air Lines DL942 / DL2961: SEA 2026-12-06 13:50:00 → DCA 2026-12-06 23:57:00; 1 stop(s) via MSP; 427 minutes. Local airport times.
    • DL942: SEA 2026-12-06 13:50:00 → MSP 2026-12-06 19:11:00; layover at MSP: 74 minutes.
    • DL2961: MSP 2026-12-06 20:25:00 → DCA 2026-12-06 23:57:00.
  • Delta Air Lines DL786: DCA 2026-12-08 16:25:00 → SEA 2026-12-08 19:45:00; nonstop; 380 minutes. Local airport times.

2026-12-06 → 2026-12-08 · $420.00

  • Delta Air Lines DL812 / DL1454: SEA 2026-12-06 06:00:00 → DCA 2026-12-06 16:38:00; 1 stop(s) via DTW; 458 minutes. Local airport times.
    • DL812: SEA 2026-12-06 06:00:00 → DTW 2026-12-06 13:12:00; layover at DTW: 114 minutes.
    • DL1454: DTW 2026-12-06 15:06:00 → DCA 2026-12-06 16:38:00.
  • Delta Air Lines DL786: DCA 2026-12-08 16:25:00 → SEA 2026-12-08 19:45:00; nonstop; 380 minutes. Local airport times.

More dates for this route