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Seattle → Washington

Dec 2, 2026 · return Dec 6, 2026

SEA → DCA1 adulteconomyRound trip

9 flight options · 2 airlines

Nonstop flights

Wed, Dec 2 – Sun, Dec 6

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

Wed, Dec 2 – Sun, Dec 6

Delta Air Lines
7:20 amSEA
4h 46m
Nonstop
3:06 pmDCA
Delta Air Lines
4:25 pmDCA
6h 2m
Nonstop
7:27 pmSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

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

Wed, Dec 2 – Sun, Dec 6

Alaska Airlines
9:10 amSEA
7h 39m
ATL · 1h 5m
7:49 pmDCA
Alaska Airlines
8:00 amDCA
5h 55m
Nonstop
10:55 amSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

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

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

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

Wed, Dec 2 – Sun, Dec 6

Delta Air Lines
1:50 pmSEA
7h 7m
MSP · 1h 14m
11:57 pmDCA
Delta Air Lines
4:25 pmDCA
6h 2m
Nonstop
7:27 pmSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

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

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sun, Dec 6

Delta Air Lines
8:15 amSEA
4h 45m
Nonstop
4:00 pmDCA
Delta Air Lines
9:45 amDCA
8h 10m
DTW · 1h 31m
2:55 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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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

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)
2026-12-02 → 2026-12-06Alaska AirlinesAS4 / AS1$430.002026-10-29T01:14:55Z
2026-12-02 → 2026-12-06Delta Air LinesDL786 / DL786$440.002026-10-29T01:14:55Z
2026-12-02 → 2026-12-06Alaska AirlinesAS2 / AS1$430.002026-10-29T01:14:55Z
2026-12-02 → 2026-12-06Alaska AirlinesAS334 + AA5145 / AS1$407.502026-10-29T01:14:55Z
2026-12-02 → 2026-12-06Alaska AirlinesAS4 / AS9 + AS1432$407.502026-10-29T01:14:55Z
2026-12-02 → 2026-12-06Alaska AirlinesAS264 + AA4626 / AS1$407.502026-10-29T01:14:55Z
2026-12-02 → 2026-12-06Delta Air LinesDL942 + DL2961 / DL786$420.002026-10-29T01:14:55Z
2026-12-02 → 2026-12-06Delta Air LinesDL812 + DL1454 / DL786$420.002026-10-29T01:14:55Z
2026-12-02 → 2026-12-06Delta Air LinesDL786 / DL1558 + DL728$420.002026-10-29T01:14:55Z

2026-12-02 → 2026-12-06 · $430.00

  • Alaska Airlines AS4: SEA 2026-12-02 08:00:00 → DCA 2026-12-02 16:05:00; nonstop; 305 minutes. Local airport times.
  • Alaska Airlines AS1: DCA 2026-12-06 08:00:00 → SEA 2026-12-06 10:55:00; nonstop; 355 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $440.00

  • Delta Air Lines DL786: SEA 2026-12-02 07:20:00 → DCA 2026-12-02 15:06:00; nonstop; 286 minutes. Local airport times.
  • Delta Air Lines DL786: DCA 2026-12-06 16:25:00 → SEA 2026-12-06 19:27:00; nonstop; 362 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $430.00

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

2026-12-02 → 2026-12-06 · $407.50

  • Alaska Airlines AS334 / AA5145: SEA 2026-12-02 09:10:00 → DCA 2026-12-02 19:49:00; 1 stop(s) via ATL; 459 minutes. Local airport times.
    • AS334: SEA 2026-12-02 09:10:00 → ATL 2026-12-02 16:49:00; layover at ATL: 65 minutes.
    • AA5145: ATL 2026-12-02 17:54:00 → DCA 2026-12-02 19:49:00.
  • Alaska Airlines AS1: DCA 2026-12-06 08:00:00 → SEA 2026-12-06 10:55:00; nonstop; 355 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $407.50

  • Alaska Airlines AS4: SEA 2026-12-02 08:00:00 → DCA 2026-12-02 16:06:00; nonstop; 306 minutes. Local airport times.
  • Alaska Airlines AS9 / AS1432: DCA 2026-12-06 17:20:00 → SEA 2026-12-06 23:00:00; 1 stop(s) via PDX; 520 minutes. Local airport times.
    • AS9: DCA 2026-12-06 17:20:00 → PDX 2026-12-06 20:16:00; layover at PDX: 103 minutes.
    • AS1432: PDX 2026-12-06 21:59:00 → SEA 2026-12-06 23:00:00.

2026-12-02 → 2026-12-06 · $407.50

  • Alaska Airlines AS264 / AA4626: SEA 2026-12-02 22:59:00 → DCA 2026-12-03 09:20:00; 1 stop(s) via IND; 441 minutes. Local airport times.
    • AS264: SEA 2026-12-02 22:59:00 → IND 2026-12-03 06:03:00; layover at IND: 83 minutes.
    • AA4626: IND 2026-12-03 07:26:00 → DCA 2026-12-03 09:20:00.
  • Alaska Airlines AS1: DCA 2026-12-06 08:00:00 → SEA 2026-12-06 10:55:00; nonstop; 355 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $420.00

  • Delta Air Lines DL942 / DL2961: SEA 2026-12-02 13:50:00 → DCA 2026-12-02 23:57:00; 1 stop(s) via MSP; 427 minutes. Local airport times.
    • DL942: SEA 2026-12-02 13:50:00 → MSP 2026-12-02 19:11:00; layover at MSP: 74 minutes.
    • DL2961: MSP 2026-12-02 20:25:00 → DCA 2026-12-02 23:57:00.
  • Delta Air Lines DL786: DCA 2026-12-06 16:25:00 → SEA 2026-12-06 19:27:00; nonstop; 362 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $420.00

  • Delta Air Lines DL812 / DL1454: SEA 2026-12-02 06:00:00 → DCA 2026-12-02 16:38:00; 1 stop(s) via DTW; 458 minutes. Local airport times.
    • DL812: SEA 2026-12-02 06:00:00 → DTW 2026-12-02 13:12:00; layover at DTW: 114 minutes.
    • DL1454: DTW 2026-12-02 15:06:00 → DCA 2026-12-02 16:38:00.
  • Delta Air Lines DL786: DCA 2026-12-06 16:25:00 → SEA 2026-12-06 19:27:00; nonstop; 362 minutes. Local airport times.

2026-12-02 → 2026-12-06 · $420.00

  • Delta Air Lines DL786: SEA 2026-12-02 08:15:00 → DCA 2026-12-02 16:00:00; nonstop; 285 minutes. Local airport times.
  • Delta Air Lines DL1558 / DL728: DCA 2026-12-06 09:45:00 → SEA 2026-12-06 14:55:00; 1 stop(s) via DTW; 490 minutes. Local airport times.
    • DL1558: DCA 2026-12-06 09:45:00 → DTW 2026-12-06 11:22:00; layover at DTW: 91 minutes.
    • DL728: DTW 2026-12-06 12:53:00 → SEA 2026-12-06 14:55:00.

More dates for this route