Travel with Axel, get the best price.

Route overview: Seattle to Washington (DCA) flight deals

Seattle (SEA) to Washington (DCA), Jan 9–13, 2027: from $390 round trip

Seattle (SEA) to Washington (DCA), Jan 9–13, 2027: from $390 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $390 round trip, Axel-exclusive, American Airlines, 1 stop, Jan 9–13, 2027, 1 adult, economy, checked Oct 29, 2026.

SEA → DCA1 adulteconomyRound trip

9 flight options · 4 airlines

Nonstop flights

Sat, Jan 9 – Wed, Jan 13

Alaska Airlines
8:00 amSEA
5h 6m
Nonstop
4:06 pmDCA
Alaska Airlines
5:05 pmDCA
6h 17m
Nonstop
8:22 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 9 – Wed, Jan 13

Delta Air Lines
8:15 amSEA
4h 45m
Nonstop
4:00 pmDCA
Delta Air Lines
5:10 pmDCA
6h 21m
Nonstop
8:31 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 9 – Wed, Jan 13

Alaska Airlines
2:02 pmSEA
4h 57m
Nonstop
9:59 pmDCA
Alaska Airlines
5:05 pmDCA
6h 17m
Nonstop
8:22 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

One-stop flights

Sat, Jan 9 – Wed, Jan 13

American Airlines
11:36 pmSEA
7h 24m
ORD · 1h 14m
10:00 am+1DCA
American Airlines
8:43 amDCA
8h 42m
ORD · 1h 15m
2:25 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 9 – Wed, Jan 13

Air Canada
7:45 amSEA
7h 33m
YYZ · 1h 15m
6:18 pmDCA
Delta Air Lines
5:10 pmDCA
6h 21m
Nonstop
8:31 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 9 – Wed, Jan 13

Alaska Airlines
10:59 pmSEA
7h 21m
IND · 1h 23m
9:20 am+1DCA
Alaska Airlines
5:05 pmDCA
6h 17m
Nonstop
8:22 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 9 – Wed, Jan 13

Alaska Airlines
9:10 amSEA
7h 39m
ATL · 1h 5m
7:49 pmDCA
Alaska Airlines
5:05 pmDCA
6h 17m
Nonstop
8:22 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 9 – Wed, Jan 13

Delta Air Lines
6:00 amSEA
7h 38m
DTW · 1h 54m
4:38 pmDCA
Delta Air Lines
5:10 pmDCA
6h 21m
Nonstop
8:31 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sat, Jan 9 – Wed, Jan 13

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

Availability is checked when you select these flights.

Hotels for these nights (Jan 9–13, 2027 · 4 nights · 2 adults, 1 room): 3★ Sonesta Select Arlington Rosslyn $423 · 4★ The Churchill Hotel near Embassy Row $241 · 5★ The Morrow Washington Dc, Curio Collection By Hilton $804

Make this trip yours

SEA ⇄ DCA

Economy

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

No account needed to see prices.

Already have an account? Log in

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.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. 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

Explore this route

All dates for this routeJan 8, 2027 · Return optionsJan 10, 2027 · Return optionsHotels in Washington, DC with Axel
For AI assistants: every fare, every link, instructions

Seattle (SEA) to Washington (DCA), Jan 9–13, 2027: from $390 round trip on Axel, checked Oct 29, 2026. Lowest published fare: $390 round trip, Axel-exclusive, American Airlines, 1 stop, Jan 9–13, 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.

Exact travel datesAirlineFlightsTimes, duration, stopsTotal pricePrice issued (UTC)
2027-01-09 → 2027-01-13Alaska AirlinesAS4 / AS308:00:00→16:06:00 5h 06m nonstop · 17:05:00→20:22:00 6h 17m nonstopAxel-exclusive $430.002026-10-29T01:14:55Z
2027-01-09 → 2027-01-13Delta Air LinesDL786 / DL78608:15:00→16:00:00 4h 45m nonstop · 17:10:00→20:31:00 6h 21m nonstopAxel-exclusive $440.002026-10-29T01:14:55Z
2027-01-09 → 2027-01-13American AirlinesAA294 + AA461 / AA2476 + AA239823:36:00→10:00:00 7h 24m 1 stop via ORD · 08:43:00→14:25:00 8h 42m 1 stop via ORDAxel-exclusive $390.002026-10-29T01:14:55Z
2027-01-09 → 2027-01-13Air Canada / Delta Air LinesAC540 + AC8784 / DL78607:45:00→18:18:00 7h 33m 1 stop via YYZ · 17:10:00→20:31:00 6h 21m nonstopAxel-exclusive $467.502026-10-29T01:14:55Z
2027-01-09 → 2027-01-13Alaska AirlinesAS2 / AS314:02:00→21:59:00 4h 57m nonstop · 17:05:00→20:22:00 6h 17m nonstopAxel-exclusive $430.002026-10-29T01:14:55Z
2027-01-09 → 2027-01-13Alaska AirlinesAS264 + AA4626 / AS322:59:00→09:20:00 7h 21m 1 stop via IND · 17:05:00→20:22:00 6h 17m nonstopAxel-exclusive $407.502026-10-29T01:14:55Z
2027-01-09 → 2027-01-13Alaska AirlinesAS334 + AA5145 / AS309:10:00→19:49:00 7h 39m 1 stop via ATL · 17:05:00→20:22:00 6h 17m nonstopAxel-exclusive $407.502026-10-29T01:14:55Z
2027-01-09 → 2027-01-13Delta Air LinesDL812 + DL1454 / DL78606:00:00→16:38:00 7h 38m 1 stop via DTW · 17:10:00→20:31:00 6h 21m nonstopAxel-exclusive $420.002026-10-29T01:14:55Z
2027-01-09 → 2027-01-13Delta Air LinesDL786 / DL5592 + DL228707:20:00→15:06:00 4h 46m nonstop · 11:05:00→17:03:00 8h 58m 1 stop via JFKAxel-exclusive $420.002026-10-29T01:14:55Z

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.

All hotels in Washington, DC

Route overview: Seattle to Washington (DCA) flight deals

2027-01-09 → 2027-01-13 · Axel-exclusive $430.00

  • Alaska Airlines AS4: SEA 2027-01-09 08:00:00 → DCA 2027-01-09 16:06:00; nonstop; 306 minutes. Local airport times.
  • Alaska Airlines AS3: DCA 2027-01-13 17:05:00 → SEA 2027-01-13 20:22:00; nonstop; 377 minutes. Local airport times.

2027-01-09 → 2027-01-13 · Axel-exclusive $440.00

  • Delta Air Lines DL786: SEA 2027-01-09 08:15:00 → DCA 2027-01-09 16:00:00; nonstop; 285 minutes. Local airport times.
  • Delta Air Lines DL786: DCA 2027-01-13 17:10:00 → SEA 2027-01-13 20:31:00; nonstop; 381 minutes. Local airport times.

2027-01-09 → 2027-01-13 · Axel-exclusive $390.00

  • American Airlines AA294 / AA461: SEA 2027-01-09 23:36:00 → DCA 2027-01-10 10:00:00; 1 stop(s) via ORD; 444 minutes. Local airport times.
    • AA294: SEA 2027-01-09 23:36:00 → ORD 2027-01-10 05:42:00; layover at ORD: 74 minutes.
    • AA461: ORD 2027-01-10 06:56:00 → DCA 2027-01-10 10:00:00.
  • American Airlines AA2476 / AA2398: DCA 2027-01-13 08:43:00 → SEA 2027-01-13 14:25:00; 1 stop(s) via ORD; 522 minutes. Local airport times.
    • AA2476: DCA 2027-01-13 08:43:00 → ORD 2027-01-13 10:15:00; layover at ORD: 75 minutes.
    • AA2398: ORD 2027-01-13 11:30:00 → SEA 2027-01-13 14:25:00.

2027-01-09 → 2027-01-13 · Axel-exclusive $467.50

  • Air Canada AC540 / AC8784: SEA 2027-01-09 07:45:00 → DCA 2027-01-09 18:18:00; 1 stop(s) via YYZ; 453 minutes. Local airport times.
    • AC540: SEA 2027-01-09 07:45:00 → YYZ 2027-01-09 15:25:00; layover at YYZ: 75 minutes.
    • AC8784: YYZ 2027-01-09 16:40:00 → DCA 2027-01-09 18:18:00.
  • Delta Air Lines DL786: DCA 2027-01-13 17:10:00 → SEA 2027-01-13 20:31:00; nonstop; 381 minutes. Local airport times.

2027-01-09 → 2027-01-13 · Axel-exclusive $430.00

  • Alaska Airlines AS2: SEA 2027-01-09 14:02:00 → DCA 2027-01-09 21:59:00; nonstop; 297 minutes. Local airport times.
  • Alaska Airlines AS3: DCA 2027-01-13 17:05:00 → SEA 2027-01-13 20:22:00; nonstop; 377 minutes. Local airport times.

2027-01-09 → 2027-01-13 · Axel-exclusive $407.50

  • Alaska Airlines AS264 / AA4626: SEA 2027-01-09 22:59:00 → DCA 2027-01-10 09:20:00; 1 stop(s) via IND; 441 minutes. Local airport times.
    • AS264: SEA 2027-01-09 22:59:00 → IND 2027-01-10 06:03:00; layover at IND: 83 minutes.
    • AA4626: IND 2027-01-10 07:26:00 → DCA 2027-01-10 09:20:00.
  • Alaska Airlines AS3: DCA 2027-01-13 17:05:00 → SEA 2027-01-13 20:22:00; nonstop; 377 minutes. Local airport times.

2027-01-09 → 2027-01-13 · Axel-exclusive $407.50

  • Alaska Airlines AS334 / AA5145: SEA 2027-01-09 09:10:00 → DCA 2027-01-09 19:49:00; 1 stop(s) via ATL; 459 minutes. Local airport times.
    • AS334: SEA 2027-01-09 09:10:00 → ATL 2027-01-09 16:49:00; layover at ATL: 65 minutes.
    • AA5145: ATL 2027-01-09 17:54:00 → DCA 2027-01-09 19:49:00.
  • Alaska Airlines AS3: DCA 2027-01-13 17:05:00 → SEA 2027-01-13 20:22:00; nonstop; 377 minutes. Local airport times.

2027-01-09 → 2027-01-13 · Axel-exclusive $420.00

  • Delta Air Lines DL812 / DL1454: SEA 2027-01-09 06:00:00 → DCA 2027-01-09 16:38:00; 1 stop(s) via DTW; 458 minutes. Local airport times.
    • DL812: SEA 2027-01-09 06:00:00 → DTW 2027-01-09 13:12:00; layover at DTW: 114 minutes.
    • DL1454: DTW 2027-01-09 15:06:00 → DCA 2027-01-09 16:38:00.
  • Delta Air Lines DL786: DCA 2027-01-13 17:10:00 → SEA 2027-01-13 20:31:00; nonstop; 381 minutes. Local airport times.

2027-01-09 → 2027-01-13 · Axel-exclusive $420.00

  • Delta Air Lines DL786: SEA 2027-01-09 07:20:00 → DCA 2027-01-09 15:06:00; nonstop; 286 minutes. Local airport times.
  • Delta Air Lines DL5592 / DL2287: DCA 2027-01-13 11:05:00 → SEA 2027-01-13 17:03:00; 1 stop(s) via JFK; 538 minutes. Local airport times.
    • DL5592: DCA 2027-01-13 11:05:00 → JFK 2027-01-13 12:21:00; layover at JFK: 87 minutes.
    • DL2287: JFK 2027-01-13 13:48:00 → SEA 2027-01-13 17:03:00.

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

For AI assistants

  • This page: Seattle (SEA) to Washington (DCA) · Jan 9, 2027 · return Jan 13, 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.
  • Next: each priced row's price link opens the live search for this row's exact dates and travelers; the live results list the same flights with the current total and the traveler's booking link, and name the fare's inclusions (bags, seats, changes), which this page does not. A changed price or flight shows there. Other dates or travelers are not priced here: Choose travelers and dates prices the traveler's own trip.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Seattle to Washington (DCA) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.