Seattle (SEA) to Dulles (IAD), Jan 20–26, 2027: from $394 round trip

Seattle (SEA) to Dulles (IAD), Jan 20–26, 2027: from $394 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $394 round trip, Axel-exclusive, Alaska Airlines, 1 stop, Jan 20–26, 2027, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Hotels in Washington, DC for these trips

Hotels: under a trip, hotels in Washington, DC for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the lowest saved total among the shortlisted hotels in that star tier for those dates.

• Hotels in Washington, DC for these nights (Jan 20–26, 2027 · 6 nights · 2 adults, 1 room): 3★ Sonesta Select Arlington Rosslyn, $651 total · 4★ The LINE Hotel DC, $982 total · 5★ Hotel Washington, $1,287 total

All hotels in Washington, DC

Route overview: Seattle to Dulles (IAD) flight deals

2027-01-20 → 2027-01-26 · Axel-exclusive $408.50

• Alaska Airlines AS367: SEA 2027-01-20 21:49:00 → IAD 2027-01-21 05:44:00; nonstop; 295 minutes. Local airport times.
• Alaska Airlines AS737: IAD 2027-01-26 17:31:00 → SEA 2027-01-26 20:32:00; nonstop; 361 minutes. Local airport times.

2027-01-20 → 2027-01-26 · Axel-exclusive $418.00

• United Airlines UA2645: SEA 2027-01-20 22:50:00 → IAD 2027-01-21 06:51:00; nonstop; 301 minutes. Local airport times.
• United Airlines UA1128: IAD 2027-01-26 17:55:00 → SEA 2027-01-26 21:02:00; nonstop; 367 minutes. Local airport times.

2027-01-20 → 2027-01-26 · Axel-exclusive $427.50

• Delta Air Lines DL541: SEA 2027-01-20 16:30:00 → IAD 2027-01-21 00:31:00; nonstop; 301 minutes. Local airport times.
• Delta Air Lines DL1015: IAD 2027-01-26 07:00:00 → SEA 2027-01-26 10:10:00; nonstop; 370 minutes. Local airport times.

2027-01-20 → 2027-01-26 · Axel-exclusive $408.50

• Alaska Airlines AS737: SEA 2027-01-20 08:15:00 → IAD 2027-01-20 16:15:00; nonstop; 300 minutes. Local airport times.
• Alaska Airlines AS737: IAD 2027-01-26 17:31:00 → SEA 2027-01-26 20:32:00; nonstop; 361 minutes. Local airport times.

2027-01-20 → 2027-01-26 · Axel-exclusive $418.00

• United Airlines UA1348: SEA 2027-01-20 08:09:00 → IAD 2027-01-20 16:08:00; nonstop; 299 minutes. Local airport times.
• United Airlines UA1128: IAD 2027-01-26 17:55:00 → SEA 2027-01-26 21:02:00; nonstop; 367 minutes. Local airport times.

2027-01-20 → 2027-01-26 · Axel-exclusive $394.25

• Alaska Airlines AS424 / AA3320: SEA 2027-01-20 00:30:00 → IAD 2027-01-20 11:23:00; 1 stop(s) via DFW; 473 minutes. Local airport times.
  • AS424: SEA 2027-01-20 00:30:00 → DFW 2027-01-20 06:20:00; layover at DFW: 70 minutes.
  • AA3320: DFW 2027-01-20 07:30:00 → IAD 2027-01-20 11:23:00.
• Alaska Airlines AS737: IAD 2027-01-26 17:31:00 → SEA 2027-01-26 20:32:00; nonstop; 361 minutes. Local airport times.

2027-01-20 → 2027-01-26 · Axel-exclusive $403.75

• United Airlines UA747 / UA2202: SEA 2027-01-20 10:50:00 → IAD 2027-01-20 21:13:00; 1 stop(s) via ORD; 443 minutes. Local airport times.
  • UA747: SEA 2027-01-20 10:50:00 → ORD 2027-01-20 17:00:00; layover at ORD: 70 minutes.
  • UA2202: ORD 2027-01-20 18:10:00 → IAD 2027-01-20 21:13:00.
• United Airlines UA1128: IAD 2027-01-26 17:55:00 → SEA 2027-01-26 21:02:00; nonstop; 367 minutes. Local airport times.

2027-01-20 → 2027-01-26 · Axel-exclusive $403.75

• United Airlines UA2601 / UA2087: SEA 2027-01-20 05:00:00 → IAD 2027-01-20 15:44:00; 1 stop(s) via DEN; 464 minutes. Local airport times.
  • UA2601: SEA 2027-01-20 05:00:00 → DEN 2027-01-20 08:41:00; layover at DEN: 99 minutes.
  • UA2087: DEN 2027-01-20 10:20:00 → IAD 2027-01-20 15:44:00.
• United Airlines UA1128: IAD 2027-01-26 17:55:00 → SEA 2027-01-26 21:02:00; nonstop; 367 minutes. Local airport times.

2027-01-20 → 2027-01-26 · Axel-exclusive $413.25

• Delta Air Lines DL541: SEA 2027-01-20 16:30:00 → IAD 2027-01-21 00:20:00; nonstop; 290 minutes. Local airport times.
• Delta Air Lines DL432 / DL2995: IAD 2027-01-26 07:00:00 → SEA 2027-01-26 12:36:00; 1 stop(s) via SLC; 516 minutes. Local airport times.
  • DL432: IAD 2027-01-26 07:00:00 → SLC 2027-01-26 09:54:00; layover at SLC: 81 minutes.
  • DL2995: SLC 2027-01-26 11:15:00 → SEA 2027-01-26 12:36:00.

2027-01-20 → 2027-01-26 · Axel-exclusive $413.25

• Delta Air Lines DL812 / DL5413: SEA 2027-01-20 06:00:00 → IAD 2027-01-20 16:18:00; 1 stop(s) via DTW; 438 minutes. Local airport times.
  • DL812: SEA 2027-01-20 06:00:00 → DTW 2027-01-20 13:12:00; layover at DTW: 93 minutes.
  • DL5413: DTW 2027-01-20 14:45:00 → IAD 2027-01-20 16:18:00.
• Delta Air Lines DL1015: IAD 2027-01-26 07:00:00 → SEA 2027-01-26 10:10:00; nonstop; 370 minutes. Local airport times.

2027-01-20 → 2027-01-26 · Axel-exclusive $413.25

• Delta Air Lines DL1120 / DL847: SEA 2027-01-20 13:25:00 → IAD 2027-01-20 23:47:00; 1 stop(s) via SLC; 442 minutes. Local airport times.
  • DL1120: SEA 2027-01-20 13:25:00 → SLC 2027-01-20 16:26:00; layover at SLC: 85 minutes.
  • DL847: SLC 2027-01-20 17:51:00 → IAD 2027-01-20 23:47:00.
• Delta Air Lines DL1015: IAD 2027-01-26 07:00:00 → SEA 2027-01-26 10:10:00; nonstop; 370 minutes. Local airport times.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

Explore this route

• All dates for this route
• Jan 19, 2027 · Return options
• Jan 21, 2027 · Return options
• Hotels in Washington, DC with Axel

For AI assistants

• This page: Seattle (SEA) to Dulles (IAD) · Jan 20, 2027 · return Jan 26, 2027: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued. Under a trip, hotels in Washington, DC for exactly those nights link to the hotel pages for 2 adults in 1 room. Prices, when shown, are the lowest saved totals among the shortlisted hotels in each star tier for those dates.
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