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Seattle → Dulles

Nov 20, 2026 · return Nov 23, 2026

SEA → IAD1 adulteconomyRound trip

11 flight options · 3 airlines

Nonstop flights

Fri, Nov 20 – Mon, Nov 23

Alaska Airlines
8:30 amSEA
4h 58m
Nonstop
4:28 pmIAD
Alaska Airlines
5:31 pmIAD
6h 1m
Nonstop
8:32 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
8:09 amSEA
4h 59m
Nonstop
4:08 pmIAD
United Airlines
5:55 pmIAD
6h 6m
Nonstop
9:01 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
4:30 pmSEA
4h 50m
Nonstop
12:20 am+1IAD
Delta Air Lines
7:00 amIAD
6h 5m
Nonstop
10:05 amSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Alaska Airlines
9:40 pmSEA
4h 55m
Nonstop
5:35 am+1IAD
Alaska Airlines
5:31 pmIAD
6h 1m
Nonstop
8:32 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
10:50 pmSEA
5h 1m
Nonstop
6:51 am+1IAD
United Airlines
5:55 pmIAD
6h 6m
Nonstop
9:01 pmSEA

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Nov 20 – Mon, Nov 23

United Airlines
5:00 amSEA
7h 44m
DEN · 1h 39m
3:44 pmIAD
United Airlines
5:55 pmIAD
6h 6m
Nonstop
9:01 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
10:50 amSEA
7h 23m
ORD · 1h 10m
9:13 pmIAD
United Airlines
5:55 pmIAD
6h 6m
Nonstop
9:01 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
4:30 pmSEA
5h 1m
Nonstop
12:31 am+1IAD
Delta Air Lines
6:00 amIAD
8h 9m
DTW · 1h 9m
11:09 amSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
10:40 pmSEA
7h 29m
ATL · 1h 13m
9:09 am+1IAD
Delta Air Lines
7:00 amIAD
6h 5m
Nonstop
10:05 amSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
6:00 amSEA
7h 18m
DTW · 1h 33m
4:18 pmIAD
Delta Air Lines
7:00 amIAD
6h 5m
Nonstop
10:05 amSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
1:25 pmSEA
7h 22m
SLC · 1h 25m
11:47 pmIAD
Delta Air Lines
7:00 amIAD
6h 5m
Nonstop
10:05 amSEA

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ IAD

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 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)
2026-11-20 → 2026-11-23Alaska AirlinesAS737 / AS737$494.502026-10-29T01:15:29Z
2026-11-20 → 2026-11-23United AirlinesUA672 / UA1128$506.002026-10-29T01:15:29Z
2026-11-20 → 2026-11-23Delta Air LinesDL541 / DL1015$517.502026-10-29T01:15:29Z
2026-11-20 → 2026-11-23Alaska AirlinesAS367 / AS737$494.502026-10-29T01:15:29Z
2026-11-20 → 2026-11-23United AirlinesUA2645 / UA1128$506.002026-10-29T01:15:29Z
2026-11-20 → 2026-11-23United AirlinesUA2601 + UA2087 / UA1128$491.002026-10-29T01:15:29Z
2026-11-20 → 2026-11-23United AirlinesUA747 + UA2202 / UA1128$491.002026-10-29T01:15:29Z
2026-11-20 → 2026-11-23Delta Air LinesDL541 / DL5511 + DL734$498.002026-10-29T01:15:29Z
2026-11-20 → 2026-11-23Delta Air LinesDL567 + DL1324 / DL1015$502.502026-10-29T01:15:29Z
2026-11-20 → 2026-11-23Delta Air LinesDL812 + DL5413 / DL1015$502.502026-10-29T01:15:29Z
2026-11-20 → 2026-11-23Delta Air LinesDL1120 + DL847 / DL1015$502.502026-10-29T01:15:29Z

2026-11-20 → 2026-11-23 · $494.50

  • Alaska Airlines AS737: SEA 2026-11-20 08:30:00 → IAD 2026-11-20 16:28:00; nonstop; 298 minutes. Local airport times.
  • Alaska Airlines AS737: IAD 2026-11-23 17:31:00 → SEA 2026-11-23 20:32:00; nonstop; 361 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $506.00

  • United Airlines UA672: SEA 2026-11-20 08:09:00 → IAD 2026-11-20 16:08:00; nonstop; 299 minutes. Local airport times.
  • United Airlines UA1128: IAD 2026-11-23 17:55:00 → SEA 2026-11-23 21:01:00; nonstop; 366 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $517.50

  • Delta Air Lines DL541: SEA 2026-11-20 16:30:00 → IAD 2026-11-21 00:20:00; nonstop; 290 minutes. Local airport times.
  • Delta Air Lines DL1015: IAD 2026-11-23 07:00:00 → SEA 2026-11-23 10:05:00; nonstop; 365 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $494.50

  • Alaska Airlines AS367: SEA 2026-11-20 21:40:00 → IAD 2026-11-21 05:35:00; nonstop; 295 minutes. Local airport times.
  • Alaska Airlines AS737: IAD 2026-11-23 17:31:00 → SEA 2026-11-23 20:32:00; nonstop; 361 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $506.00

  • United Airlines UA2645: SEA 2026-11-20 22:50:00 → IAD 2026-11-21 06:51:00; nonstop; 301 minutes. Local airport times.
  • United Airlines UA1128: IAD 2026-11-23 17:55:00 → SEA 2026-11-23 21:01:00; nonstop; 366 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $491.00

  • United Airlines UA2601 / UA2087: SEA 2026-11-20 05:00:00 → IAD 2026-11-20 15:44:00; 1 stop(s) via DEN; 464 minutes. Local airport times.
    • UA2601: SEA 2026-11-20 05:00:00 → DEN 2026-11-20 08:41:00; layover at DEN: 99 minutes.
    • UA2087: DEN 2026-11-20 10:20:00 → IAD 2026-11-20 15:44:00.
  • United Airlines UA1128: IAD 2026-11-23 17:55:00 → SEA 2026-11-23 21:01:00; nonstop; 366 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $491.00

  • United Airlines UA747 / UA2202: SEA 2026-11-20 10:50:00 → IAD 2026-11-20 21:13:00; 1 stop(s) via ORD; 443 minutes. Local airport times.
    • UA747: SEA 2026-11-20 10:50:00 → ORD 2026-11-20 17:00:00; layover at ORD: 70 minutes.
    • UA2202: ORD 2026-11-20 18:10:00 → IAD 2026-11-20 21:13:00.
  • United Airlines UA1128: IAD 2026-11-23 17:55:00 → SEA 2026-11-23 21:01:00; nonstop; 366 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $498.00

  • Delta Air Lines DL541: SEA 2026-11-20 16:30:00 → IAD 2026-11-21 00:31:00; nonstop; 301 minutes. Local airport times.
  • Delta Air Lines DL5511 / DL734: IAD 2026-11-23 06:00:00 → SEA 2026-11-23 11:09:00; 1 stop(s) via DTW; 489 minutes. Local airport times.
    • DL5511: IAD 2026-11-23 06:00:00 → DTW 2026-11-23 07:46:00; layover at DTW: 69 minutes.
    • DL734: DTW 2026-11-23 08:55:00 → SEA 2026-11-23 11:09:00.

2026-11-20 → 2026-11-23 · $502.50

  • Delta Air Lines DL567 / DL1324: SEA 2026-11-20 22:40:00 → IAD 2026-11-21 09:09:00; 1 stop(s) via ATL; 449 minutes. Local airport times.
    • DL567: SEA 2026-11-20 22:40:00 → ATL 2026-11-21 06:12:00; layover at ATL: 73 minutes.
    • DL1324: ATL 2026-11-21 07:25:00 → IAD 2026-11-21 09:09:00.
  • Delta Air Lines DL1015: IAD 2026-11-23 07:00:00 → SEA 2026-11-23 10:05:00; nonstop; 365 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $502.50

  • Delta Air Lines DL812 / DL5413: SEA 2026-11-20 06:00:00 → IAD 2026-11-20 16:18:00; 1 stop(s) via DTW; 438 minutes. Local airport times.
    • DL812: SEA 2026-11-20 06:00:00 → DTW 2026-11-20 13:12:00; layover at DTW: 93 minutes.
    • DL5413: DTW 2026-11-20 14:45:00 → IAD 2026-11-20 16:18:00.
  • Delta Air Lines DL1015: IAD 2026-11-23 07:00:00 → SEA 2026-11-23 10:05:00; nonstop; 365 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $502.50

  • Delta Air Lines DL1120 / DL847: SEA 2026-11-20 13:25:00 → IAD 2026-11-20 23:47:00; 1 stop(s) via SLC; 442 minutes. Local airport times.
    • DL1120: SEA 2026-11-20 13:25:00 → SLC 2026-11-20 16:26:00; layover at SLC: 85 minutes.
    • DL847: SLC 2026-11-20 17:51:00 → IAD 2026-11-20 23:47:00.
  • Delta Air Lines DL1015: IAD 2026-11-23 07:00:00 → SEA 2026-11-23 10:05:00; nonstop; 365 minutes. Local airport times.

More dates for this route