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Dulles → Seattle

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IAD → SEA1 adulteconomy

33 flight options · 4 airlines

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

Alaska Airlines
7:00 amIAD
6h 5m
Nonstop
10:05 amSEA
Alaska Airlines
9:40 pmSEA
4h 55m
Nonstop
5:35 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

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

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
8:50 amIAD
6h 7m
Nonstop
11:57 amSEA
United Airlines
10:50 pmSEA
5h 1m
Nonstop
6:51 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Sun Country Airlines
12:44 pmIAD
7h 33m
MSP · 1h 4m
5:17 pmSEA
Alaska Airlines
9:40 pmSEA
4h 55m
Nonstop
5:35 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

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

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Alaska Airlines
7:00 amIAD
6h 5m
Nonstop
10:05 amSEA
Alaska Airlines
9:40 pmSEA
4h 55m
Nonstop
5:35 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

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

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

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

Round-trip total · 1 adult · Taxes included

Show 14 more flights

Fri, Nov 20 – Mon, Nov 23

United Airlines
5:50 pmIAD
6h 6m
Nonstop
8:56 pmSEA
United Airlines
10:50 pmSEA
5h 1m
Nonstop
6:51 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
8:50 amIAD
6h 7m
Nonstop
11:57 amSEA
United Airlines
10:50 pmSEA
5h 1m
Nonstop
6:51 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
5:50 pmIAD
6h 6m
Nonstop
8:56 pmSEA
United Airlines
10:50 pmSEA
5h 1m
Nonstop
6:51 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Sun Country Airlines
12:44 pmIAD
7h 33m
MSP · 1h 4m
5:17 pmSEA
United Airlines
10:50 pmSEA
5h 1m
Nonstop
6:51 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Alaska Airlines
5:18 pmIAD
6h 9m
Nonstop
8:27 pmSEA
Alaska Airlines
12:30 amSEA
7h 53m
DFW · 1h 10m
11:23 amIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

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

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
6:00 amIAD
8h 9m
DTW · 1h 9m
11:09 amSEA
Delta Air Lines
4:30 pmSEA
4h 50m
Nonstop
12:20 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
7:00 amIAD
8h 36m
SLC · 1h 21m
12:36 pmSEA
Delta Air Lines
4:30 pmSEA
4h 50m
Nonstop
12:20 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
7:00 amIAD
8h 36m
SLC · 1h 21m
12:36 pmSEA
Delta Air Lines
4:30 pmSEA
4h 50m
Nonstop
12:20 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

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

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

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

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
6:10 amIAD
9h 9m
ORD · 1h 53m
12:19 pmSEA
United Airlines
10:50 pmSEA
5h 1m
Nonstop
6:51 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
6:10 amIAD
9h 9m
ORD · 1h 53m
12:19 pmSEA
United Airlines
10:50 pmSEA
5h 1m
Nonstop
6:51 am+1IAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

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

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

Alaska Airlines
7:00 amIAD
6h 5m
Nonstop
10:05 amSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
7:00 amIAD
6h 5m
Nonstop
10:05 amSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
8:50 amIAD
6h 7m
Nonstop
11:57 amSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Sun Country Airlines
12:44 pmIAD
7h 33m
MSP · 1h 4m
5:17 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Alaska Airlines
5:31 pmIAD
6h 1m
Nonstop
8:32 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
5:50 pmIAD
6h 6m
Nonstop
8:56 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
8:15 amIAD
8h 20m
DEN · 1h 3m
1:35 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
7:00 amIAD
8h 36m
SLC · 1h 21m
12:36 pmSEA

One-way total · 1 adult · Taxes included

Show 3 more flights

Fri, Nov 20 · One way

United Airlines
6:10 amIAD
9h 51m
EWR · 2h 12m
1:01 pmSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
6:00 amIAD
8h 9m
DTW · 1h 9m
11:09 amSEA

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
6:10 amIAD
9h 9m
ORD · 1h 53m
12:19 pmSEA

One-way total · 1 adult · Taxes included

Make this trip yours

IAD ⇄ SEA

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Alaska Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

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

Nov 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)
2026-11-20 · one wayAlaska AirlinesAS409$185.002026-10-29T01:07:59Z
2026-11-20 · one wayDelta Air LinesDL1015$195.002026-10-29T01:07:59Z
2026-11-20 · one wayUnited AirlinesUA2731$200.002026-10-29T01:07:59Z
2026-11-20 → 2026-11-23Alaska AirlinesAS409 / AS367$414.002026-10-29T01:07:59Z
2026-11-27 → 2026-12-04Delta Air LinesDL1015 / DL541$437.002026-10-29T01:07:59Z
2026-11-20 → 2026-11-23United AirlinesUA2731 / UA2645$448.502026-10-29T01:07:59Z
2026-11-20 · one waySun Country AirlinesSY668 + SY285$135.002026-10-29T01:07:59Z
2026-11-20 → 2026-11-23Sun Country Airlines / Alaska AirlinesSY668 + SY285 / AS367$364.002026-10-29T01:07:59Z
2026-11-20 · one wayAlaska AirlinesAS737$185.002026-10-29T01:07:59Z
2026-11-20 · one wayUnited AirlinesUA1128$200.002026-10-29T01:07:59Z
2026-11-27 → 2026-12-04Alaska AirlinesAS737 / AS367$414.002026-10-29T01:07:59Z
2026-11-27 → 2026-12-04Alaska AirlinesAS409 / AS367$414.002026-10-29T01:07:59Z
2026-11-20 → 2026-11-23Alaska AirlinesAS737 / AS367$414.002026-10-29T01:07:59Z
2026-11-20 → 2026-11-23Delta Air LinesDL1015 / DL541$437.002026-10-29T01:07:59Z
2026-11-20 → 2026-11-23United AirlinesUA1128 / UA2645$448.502026-10-29T01:07:59Z
2026-11-27 → 2026-12-04United AirlinesUA2731 / UA2645$448.502026-10-29T01:07:59Z
2026-11-27 → 2026-12-04United AirlinesUA1128 / UA2645$448.502026-10-29T01:07:59Z
2026-11-20 · one wayUnited AirlinesUA792 + UA2302$180.002026-10-29T01:07:59Z
2026-11-20 · one wayDelta Air LinesDL432 + DL2995$180.002026-10-29T01:07:59Z
2026-11-20 · one wayUnited AirlinesUA1359 + UA1330$180.002026-10-29T01:07:59Z
2026-11-20 · one wayDelta Air LinesDL5511 + DL734$180.002026-10-29T01:07:59Z
2026-11-20 · one wayUnited AirlinesUA565 + UA2099$180.002026-10-29T01:07:59Z
2026-11-27 → 2026-12-04Sun Country Airlines / United AirlinesSY668 + SY285 / UA2645$364.002026-10-29T01:07:59Z
2026-11-20 → 2026-11-23Alaska AirlinesAS737 / AS424 + AA3320$394.502026-10-29T01:07:59Z
2026-11-20 → 2026-11-23Delta Air LinesDL1015 / DL812 + DL5413$417.502026-10-29T01:07:59Z
2026-11-27 → 2026-12-04Delta Air LinesDL5511 + DL734 / DL541$417.502026-10-29T01:07:59Z
2026-11-27 → 2026-12-04Delta Air LinesDL432 + DL2995 / DL541$417.502026-10-29T01:07:59Z
2026-11-20 → 2026-11-23Delta Air LinesDL432 + DL2995 / DL541$422.002026-10-29T01:07:59Z
2026-11-27 → 2026-12-04Delta Air LinesDL1015 / DL812 + DL5413$422.002026-10-29T01:07:59Z
2026-11-20 → 2026-11-23United AirlinesUA1128 / UA2601 + UA2087$422.502026-10-29T01:07:59Z
2026-11-27 → 2026-12-04United AirlinesUA565 + UA2099 / UA2645$422.502026-10-29T01:07:59Z
2026-11-20 → 2026-11-23United AirlinesUA565 + UA2099 / UA2645$428.502026-10-29T01:07:59Z
2026-11-27 → 2026-12-04United AirlinesUA1128 / UA2601 + UA2087$428.502026-10-29T01:07:59Z

2026-11-20 · one way · $185.00

  • Alaska Airlines AS409: IAD 2026-11-20 07:00:00 → SEA 2026-11-20 10:05:00; nonstop; 365 minutes. Local airport times.

2026-11-20 · one way · $195.00

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

2026-11-20 · one way · $200.00

  • United Airlines UA2731: IAD 2026-11-20 08:50:00 → SEA 2026-11-20 11:57:00; nonstop; 367 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $414.00

  • Alaska Airlines AS409: IAD 2026-11-20 07:00:00 → SEA 2026-11-20 10:05:00; nonstop; 365 minutes. Local airport times.
  • Alaska Airlines AS367: SEA 2026-11-23 21:40:00 → IAD 2026-11-24 05:35:00; nonstop; 295 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $437.00

  • Delta Air Lines DL1015: IAD 2026-11-27 07:00:00 → SEA 2026-11-27 10:05:00; nonstop; 365 minutes. Local airport times.
  • Delta Air Lines DL541: SEA 2026-12-04 16:30:00 → IAD 2026-12-05 00:20:00; nonstop; 290 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $448.50

  • United Airlines UA2731: IAD 2026-11-20 08:50:00 → SEA 2026-11-20 11:57:00; nonstop; 367 minutes. Local airport times.
  • United Airlines UA2645: SEA 2026-11-23 22:50:00 → IAD 2026-11-24 06:51:00; nonstop; 301 minutes. Local airport times.

2026-11-20 · one way · $135.00

  • Sun Country Airlines SY668 / SY285: IAD 2026-11-20 12:44:00 → SEA 2026-11-20 17:17:00; 1 stop(s) via MSP; 453 minutes. Local airport times.
    • SY668: IAD 2026-11-20 12:44:00 → MSP 2026-11-20 14:21:00; layover at MSP: 64 minutes.
    • SY285: MSP 2026-11-20 15:25:00 → SEA 2026-11-20 17:17:00.

2026-11-20 → 2026-11-23 · $364.00

  • Sun Country Airlines SY668 / SY285: IAD 2026-11-20 12:44:00 → SEA 2026-11-20 17:17:00; 1 stop(s) via MSP; 453 minutes. Local airport times.
    • SY668: IAD 2026-11-20 12:44:00 → MSP 2026-11-20 14:21:00; layover at MSP: 64 minutes.
    • SY285: MSP 2026-11-20 15:25:00 → SEA 2026-11-20 17:17:00.
  • Alaska Airlines AS367: SEA 2026-11-23 21:40:00 → IAD 2026-11-24 05:35:00; nonstop; 295 minutes. Local airport times.

2026-11-20 · one way · $185.00

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

2026-11-20 · one way · $200.00

  • United Airlines UA1128: IAD 2026-11-20 17:50:00 → SEA 2026-11-20 20:56:00; nonstop; 366 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $414.00

  • Alaska Airlines AS737: IAD 2026-11-27 17:31:00 → SEA 2026-11-27 20:32:00; nonstop; 361 minutes. Local airport times.
  • Alaska Airlines AS367: SEA 2026-12-04 21:40:00 → IAD 2026-12-05 05:35:00; nonstop; 295 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $414.00

  • Alaska Airlines AS409: IAD 2026-11-27 07:00:00 → SEA 2026-11-27 10:05:00; nonstop; 365 minutes. Local airport times.
  • Alaska Airlines AS367: SEA 2026-12-04 21:40:00 → IAD 2026-12-05 05:35:00; nonstop; 295 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $414.00

  • Alaska Airlines AS737: IAD 2026-11-20 17:31:00 → SEA 2026-11-20 20:32:00; nonstop; 361 minutes. Local airport times.
  • Alaska Airlines AS367: SEA 2026-11-23 21:40:00 → IAD 2026-11-24 05:35:00; nonstop; 295 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $437.00

  • Delta Air Lines DL1015: IAD 2026-11-20 07:00:00 → SEA 2026-11-20 10:05:00; nonstop; 365 minutes. Local airport times.
  • Delta Air Lines DL541: SEA 2026-11-23 16:30:00 → IAD 2026-11-24 00:20:00; nonstop; 290 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $448.50

  • United Airlines UA1128: IAD 2026-11-20 17:50:00 → SEA 2026-11-20 20:56:00; nonstop; 366 minutes. Local airport times.
  • United Airlines UA2645: SEA 2026-11-23 22:50:00 → IAD 2026-11-24 06:51:00; nonstop; 301 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $448.50

  • United Airlines UA2731: IAD 2026-11-27 08:50:00 → SEA 2026-11-27 11:57:00; nonstop; 367 minutes. Local airport times.
  • United Airlines UA2645: SEA 2026-12-04 22:50:00 → IAD 2026-12-05 06:51:00; nonstop; 301 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $448.50

  • United Airlines UA1128: IAD 2026-11-27 17:50:00 → SEA 2026-11-27 20:56:00; nonstop; 366 minutes. Local airport times.
  • United Airlines UA2645: SEA 2026-12-04 22:50:00 → IAD 2026-12-05 06:51:00; nonstop; 301 minutes. Local airport times.

2026-11-20 · one way · $180.00

  • United Airlines UA792 / UA2302: IAD 2026-11-20 08:15:00 → SEA 2026-11-20 13:35:00; 1 stop(s) via DEN; 500 minutes. Local airport times.
    • UA792: IAD 2026-11-20 08:15:00 → DEN 2026-11-20 10:27:00; layover at DEN: 63 minutes.
    • UA2302: DEN 2026-11-20 11:30:00 → SEA 2026-11-20 13:35:00.

2026-11-20 · one way · $180.00

  • Delta Air Lines DL432 / DL2995: IAD 2026-11-20 07:00:00 → SEA 2026-11-20 12:36:00; 1 stop(s) via SLC; 516 minutes. Local airport times.
    • DL432: IAD 2026-11-20 07:00:00 → SLC 2026-11-20 09:54:00; layover at SLC: 81 minutes.
    • DL2995: SLC 2026-11-20 11:15:00 → SEA 2026-11-20 12:36:00.

2026-11-20 · one way · $180.00

  • United Airlines UA1359 / UA1330: IAD 2026-11-20 06:10:00 → SEA 2026-11-20 13:01:00; 1 stop(s) via EWR; 591 minutes. Local airport times.
    • UA1359: IAD 2026-11-20 06:10:00 → EWR 2026-11-20 07:28:00; layover at EWR: 132 minutes.
    • UA1330: EWR 2026-11-20 09:40:00 → SEA 2026-11-20 13:01:00.

2026-11-20 · one way · $180.00

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

2026-11-20 · one way · $180.00

  • United Airlines UA565 / UA2099: IAD 2026-11-20 06:10:00 → SEA 2026-11-20 12:19:00; 1 stop(s) via ORD; 549 minutes. Local airport times.
    • UA565: IAD 2026-11-20 06:10:00 → ORD 2026-11-20 07:32:00; layover at ORD: 113 minutes.
    • UA2099: ORD 2026-11-20 09:25:00 → SEA 2026-11-20 12:19:00.

2026-11-27 → 2026-12-04 · $364.00

  • Sun Country Airlines SY668 / SY285: IAD 2026-11-27 12:44:00 → SEA 2026-11-27 17:17:00; 1 stop(s) via MSP; 453 minutes. Local airport times.
    • SY668: IAD 2026-11-27 12:44:00 → MSP 2026-11-27 14:21:00; layover at MSP: 64 minutes.
    • SY285: MSP 2026-11-27 15:25:00 → SEA 2026-11-27 17:17:00.
  • United Airlines UA2645: SEA 2026-12-04 22:50:00 → IAD 2026-12-05 06:51:00; nonstop; 301 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $394.50

  • Alaska Airlines AS737: IAD 2026-11-20 17:18:00 → SEA 2026-11-20 20:27:00; nonstop; 369 minutes. Local airport times.
  • Alaska Airlines AS424 / AA3320: SEA 2026-11-23 00:30:00 → IAD 2026-11-23 11:23:00; 1 stop(s) via DFW; 473 minutes. Local airport times.
    • AS424: SEA 2026-11-23 00:30:00 → DFW 2026-11-23 06:20:00; layover at DFW: 70 minutes.
    • AA3320: DFW 2026-11-23 07:30:00 → IAD 2026-11-23 11:23:00.

2026-11-20 → 2026-11-23 · $417.50

  • Delta Air Lines DL1015: IAD 2026-11-20 07:00:00 → SEA 2026-11-20 10:10:00; nonstop; 370 minutes. Local airport times.
  • Delta Air Lines DL812 / DL5413: SEA 2026-11-23 06:00:00 → IAD 2026-11-23 16:18:00; 1 stop(s) via DTW; 438 minutes. Local airport times.
    • DL812: SEA 2026-11-23 06:00:00 → DTW 2026-11-23 13:12:00; layover at DTW: 93 minutes.
    • DL5413: DTW 2026-11-23 14:45:00 → IAD 2026-11-23 16:18:00.

2026-11-27 → 2026-12-04 · $417.50

  • Delta Air Lines DL5511 / DL734: IAD 2026-11-27 06:00:00 → SEA 2026-11-27 11:09:00; 1 stop(s) via DTW; 489 minutes. Local airport times.
    • DL5511: IAD 2026-11-27 06:00:00 → DTW 2026-11-27 07:46:00; layover at DTW: 69 minutes.
    • DL734: DTW 2026-11-27 08:55:00 → SEA 2026-11-27 11:09:00.
  • Delta Air Lines DL541: SEA 2026-12-04 16:30:00 → IAD 2026-12-05 00:20:00; nonstop; 290 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $417.50

  • Delta Air Lines DL432 / DL2995: IAD 2026-11-27 07:00:00 → SEA 2026-11-27 12:36:00; 1 stop(s) via SLC; 516 minutes. Local airport times.
    • DL432: IAD 2026-11-27 07:00:00 → SLC 2026-11-27 09:54:00; layover at SLC: 81 minutes.
    • DL2995: SLC 2026-11-27 11:15:00 → SEA 2026-11-27 12:36:00.
  • Delta Air Lines DL541: SEA 2026-12-04 16:30:00 → IAD 2026-12-05 00:20:00; nonstop; 290 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $422.00

  • Delta Air Lines DL432 / DL2995: IAD 2026-11-20 07:00:00 → SEA 2026-11-20 12:36:00; 1 stop(s) via SLC; 516 minutes. Local airport times.
    • DL432: IAD 2026-11-20 07:00:00 → SLC 2026-11-20 09:54:00; layover at SLC: 81 minutes.
    • DL2995: SLC 2026-11-20 11:15:00 → SEA 2026-11-20 12:36:00.
  • Delta Air Lines DL541: SEA 2026-11-23 16:30:00 → IAD 2026-11-24 00:20:00; nonstop; 290 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $422.00

  • Delta Air Lines DL1015: IAD 2026-11-27 07:00:00 → SEA 2026-11-27 10:10:00; nonstop; 370 minutes. Local airport times.
  • Delta Air Lines DL812 / DL5413: SEA 2026-12-04 06:00:00 → IAD 2026-12-04 16:18:00; 1 stop(s) via DTW; 438 minutes. Local airport times.
    • DL812: SEA 2026-12-04 06:00:00 → DTW 2026-12-04 13:12:00; layover at DTW: 93 minutes.
    • DL5413: DTW 2026-12-04 14:45:00 → IAD 2026-12-04 16:18:00.

2026-11-20 → 2026-11-23 · $422.50

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

2026-11-27 → 2026-12-04 · $422.50

  • United Airlines UA565 / UA2099: IAD 2026-11-27 06:10:00 → SEA 2026-11-27 12:19:00; 1 stop(s) via ORD; 549 minutes. Local airport times.
    • UA565: IAD 2026-11-27 06:10:00 → ORD 2026-11-27 07:32:00; layover at ORD: 113 minutes.
    • UA2099: ORD 2026-11-27 09:25:00 → SEA 2026-11-27 12:19:00.
  • United Airlines UA2645: SEA 2026-12-04 22:50:00 → IAD 2026-12-05 06:51:00; nonstop; 301 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $428.50

  • United Airlines UA565 / UA2099: IAD 2026-11-20 06:10:00 → SEA 2026-11-20 12:19:00; 1 stop(s) via ORD; 549 minutes. Local airport times.
    • UA565: IAD 2026-11-20 06:10:00 → ORD 2026-11-20 07:32:00; layover at ORD: 113 minutes.
    • UA2099: ORD 2026-11-20 09:25:00 → SEA 2026-11-20 12:19:00.
  • United Airlines UA2645: SEA 2026-11-23 22:50:00 → IAD 2026-11-24 06:51:00; nonstop; 301 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $428.50

  • United Airlines UA1128: IAD 2026-11-27 17:55:00 → SEA 2026-11-27 21:01:00; nonstop; 366 minutes. Local airport times.
  • United Airlines UA2601 / UA2087: SEA 2026-12-04 05:00:00 → IAD 2026-12-04 15:44:00; 1 stop(s) via DEN; 464 minutes. Local airport times.
    • UA2601: SEA 2026-12-04 05:00:00 → DEN 2026-12-04 08:41:00; layover at DEN: 99 minutes.
    • UA2087: DEN 2026-12-04 10:20:00 → IAD 2026-12-04 15:44:00.

More dates for this route