Seattle (SEA) to Boston (BOS) · Feb 11, 2027 · choose your return date

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown.

Date links open published trip details for exploration. Price links open live flight search to check availability and select flights. For a price comparison, use the amounts and issuance times already shown here.

Hotels in Boston for these trips

Hotels: under a trip, hotels in Boston for exactly those nights: the lowest 3★, 4★, 5★ stay totals among the city's featured hotels, Axel's price for 2 adults in 1 room, each opening that hotel's page for those dates with the rooms and the booking link.

• Hotels in Boston for these nights (Feb 11–12, 2027 · 1 night · 2 adults, 1 room): 3★ The Inn at Longwood Medical, $178 total · 4★ Hyatt Regency Boston/Cambridge, $146 total · 5★ Omni Boston Hotel at the Seaport, $324 total
• Hotels in Boston for these nights (Feb 11–13, 2027 · 2 nights · 2 adults, 1 room): 3★ Fairfield Inn & Suites Boston Cambridge, $354 total · 4★ DoubleTree by Hilton Boston - Downtown, $314 total · 5★ Omni Boston Hotel at the Seaport, $658 total
• Hotels in Boston for these nights (Feb 11–14, 2027 · 3 nights · 2 adults, 1 room): 3★ The Inn at Longwood Medical, $534 total · 4★ DoubleTree by Hilton Boston - Downtown, $487 total · 5★ Omni Boston Hotel at the Seaport, $995 total
• Hotels in Boston for these nights (Feb 11–15, 2027 · 4 nights · 2 adults, 1 room): 3★ The Inn at Longwood Medical, $712 total · 4★ DoubleTree by Hilton Boston - Downtown, $632 total · 5★ InterContinental Boston by IHG, $1,298 total
• Hotels in Boston for these nights (Feb 11–16, 2027 · 5 nights · 2 adults, 1 room): 3★ The Inn at Longwood Medical, $890 total · 4★ DoubleTree by Hilton Boston - Downtown, $750 total · 5★ InterContinental Boston by IHG, $1,587 total
• Hotels in Boston for these nights (Feb 11–17, 2027 · 6 nights · 2 adults, 1 room): 3★ The Inn at Longwood Medical, $1,068 total · 4★ DoubleTree by Hilton Boston - Downtown, $868 total · 5★ Omni Boston Hotel at the Seaport, $1,912 total
• Hotels in Boston for these nights (Feb 11–18, 2027 · 7 nights · 2 adults, 1 room): 3★ The Inn at Longwood Medical, $1,246 total · 4★ DoubleTree by Hilton Boston - Downtown, $1,039 total · 5★ Omni Boston Hotel at the Seaport, $2,219 total
• Hotels in Boston for these nights (Feb 11–19, 2027 · 8 nights · 2 adults, 1 room): 3★ The Inn at Longwood Medical, $1,424 total · 4★ DoubleTree by Hilton Boston - Downtown, $1,215 total · 5★ Omni Boston Hotel at the Seaport, $2,571 total
• Hotels in Boston for these nights (Feb 11–20, 2027 · 9 nights · 2 adults, 1 room): 3★ The Inn at Longwood Medical, $1,602 total · 4★ DoubleTree Suites by Hilton Hotel Boston - Cambridge, $1,411 total · 5★ Omni Boston Hotel at the Seaport, $2,937 total
• Hotels in Boston for these nights (Feb 11–21, 2027 · 10 nights · 2 adults, 1 room): 3★ The Inn at Longwood Medical, $1,780 total · 4★ DoubleTree Suites by Hilton Hotel Boston - Cambridge, $1,575 total · 5★ Omni Boston Hotel at the Seaport, $3,308 total
• Hotels in Boston for these nights (Feb 11–22, 2027 · 11 nights · 2 adults, 1 room): 3★ The Inn at Longwood Medical, $1,958 total · 4★ DoubleTree Suites by Hilton Hotel Boston - Cambridge, $1,752 total · 5★ InterContinental Boston by IHG, $3,594 total
• Hotels in Boston for these nights (Feb 11–23, 2027 · 12 nights · 2 adults, 1 room): 3★ The Inn at Longwood Medical, $2,136 total · 4★ DoubleTree Suites by Hilton Hotel Boston - Cambridge, $1,905 total · 5★ InterContinental Boston by IHG, $3,952 total
• Hotels in Boston for these nights (Feb 11–24, 2027 · 13 nights · 2 adults, 1 room): 3★ The Inn at Longwood Medical, $2,314 total · 4★ Hyatt Regency Boston/Cambridge, $2,050 total · 5★ Omni Boston Hotel at the Seaport, $4,349 total
• Hotels in Boston for these nights (Feb 11–25, 2027 · 14 nights · 2 adults, 1 room): 3★ The Inn at Longwood Medical, $2,492 total · 4★ Hyatt Regency Boston/Cambridge, $2,157 total · 5★ Omni Boston Hotel at the Seaport, $4,701 total

All hotels in Boston

Route overview: Seattle to Boston (BOS) flight deals

2027-02-11 · one way · Axel-exclusive $175.00

• American Airlines AA2379 / AA2089: SEA 2027-02-11 23:59:00 → BOS 2027-02-12 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
  • AA2379: SEA 2027-02-11 23:59:00 → ORD 2027-02-12 05:55:00; layover at ORD: 64 minutes.
  • AA2089: ORD 2027-02-12 06:59:00 → BOS 2027-02-12 10:32:00.

2027-02-11 · one way · Axel-exclusive $205.00

• Alaska Airlines AS460: SEA 2027-02-11 21:20:00 → BOS 2027-02-12 05:40:00; nonstop; 320 minutes. Local airport times.

2027-02-11 → 2027-02-12 · Axel-exclusive $397.13

• American Airlines AA2379 / AA2089: SEA 2027-02-11 23:59:00 → BOS 2027-02-12 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
  • AA2379: SEA 2027-02-11 23:59:00 → ORD 2027-02-12 05:55:00; layover at ORD: 64 minutes.
  • AA2089: ORD 2027-02-12 06:59:00 → BOS 2027-02-12 10:32:00.
• Alaska Airlines AS257: BOS 2027-02-12 18:22:00 → SEA 2027-02-12 22:00:00; nonstop; 398 minutes. Local airport times.

2027-02-11 → 2027-02-12 · Axel-exclusive $424.63

• Alaska Airlines AS460: SEA 2027-02-11 21:20:00 → BOS 2027-02-12 05:40:00; nonstop; 320 minutes. Local airport times.
• Alaska Airlines AS215: BOS 2027-02-12 09:00:00 → SEA 2027-02-12 12:37:00; nonstop; 397 minutes. Local airport times.

2027-02-11 → 2027-02-13 · Axel-exclusive $397.13

• American Airlines AA2379 / AA2089: SEA 2027-02-11 23:59:00 → BOS 2027-02-12 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
  • AA2379: SEA 2027-02-11 23:59:00 → ORD 2027-02-12 05:55:00; layover at ORD: 64 minutes.
  • AA2089: ORD 2027-02-12 06:59:00 → BOS 2027-02-12 10:32:00.
• Alaska Airlines AS459: BOS 2027-02-13 07:00:00 → SEA 2027-02-13 10:38:00; nonstop; 398 minutes. Local airport times.

2027-02-11 → 2027-02-13 · Axel-exclusive $424.63

• Alaska Airlines AS460: SEA 2027-02-11 21:20:00 → BOS 2027-02-12 05:40:00; nonstop; 320 minutes. Local airport times.
• Alaska Airlines AS459: BOS 2027-02-13 07:00:00 → SEA 2027-02-13 10:38:00; nonstop; 398 minutes. Local airport times.

2027-02-11 → 2027-02-14 · Axel-exclusive $397.13

• American Airlines AA2379 / AA2089: SEA 2027-02-11 23:59:00 → BOS 2027-02-12 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
  • AA2379: SEA 2027-02-11 23:59:00 → ORD 2027-02-12 05:55:00; layover at ORD: 64 minutes.
  • AA2089: ORD 2027-02-12 06:59:00 → BOS 2027-02-12 10:32:00.
• Alaska Airlines AS257: BOS 2027-02-14 18:19:00 → SEA 2027-02-14 22:00:00; nonstop; 401 minutes. Local airport times.

2027-02-11 → 2027-02-14 · Axel-exclusive $424.63

• Alaska Airlines AS460: SEA 2027-02-11 21:20:00 → BOS 2027-02-12 05:40:00; nonstop; 320 minutes. Local airport times.
• Alaska Airlines AS257: BOS 2027-02-14 18:19:00 → SEA 2027-02-14 22:00:00; nonstop; 401 minutes. Local airport times.

2027-02-11 → 2027-02-15 · Axel-exclusive $397.13

• American Airlines AA2379 / AA2089: SEA 2027-02-11 23:59:00 → BOS 2027-02-12 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
  • AA2379: SEA 2027-02-11 23:59:00 → ORD 2027-02-12 05:55:00; layover at ORD: 64 minutes.
  • AA2089: ORD 2027-02-12 06:59:00 → BOS 2027-02-12 10:32:00.
• Alaska Airlines AS215: BOS 2027-02-15 09:00:00 → SEA 2027-02-15 12:37:00; nonstop; 397 minutes. Local airport times.

2027-02-11 → 2027-02-15 · Axel-exclusive $424.63

• Alaska Airlines AS460: SEA 2027-02-11 21:20:00 → BOS 2027-02-12 05:40:00; nonstop; 320 minutes. Local airport times.
• Alaska Airlines AS215: BOS 2027-02-15 09:00:00 → SEA 2027-02-15 12:37:00; nonstop; 397 minutes. Local airport times.

2027-02-11 → 2027-02-17 · Axel-exclusive $367.50

• American Airlines AA2379 / AA2089: SEA 2027-02-11 23:59:00 → BOS 2027-02-12 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
  • AA2379: SEA 2027-02-11 23:59:00 → ORD 2027-02-12 05:55:00; layover at ORD: 64 minutes.
  • AA2089: ORD 2027-02-12 06:59:00 → BOS 2027-02-12 10:32:00.
• Alaska Airlines AS459: BOS 2027-02-17 07:00:00 → SEA 2027-02-17 10:38:00; nonstop; 398 minutes. Local airport times.

2027-02-11 → 2027-02-17 · Axel-exclusive $395.00

• Alaska Airlines AS460: SEA 2027-02-11 21:20:00 → BOS 2027-02-12 05:40:00; nonstop; 320 minutes. Local airport times.
• Alaska Airlines AS459: BOS 2027-02-17 07:00:00 → SEA 2027-02-17 10:38:00; nonstop; 398 minutes. Local airport times.

2027-02-11 → 2027-02-18 · Axel-exclusive $367.50

• American Airlines AA2379 / AA2089: SEA 2027-02-11 23:59:00 → BOS 2027-02-12 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
  • AA2379: SEA 2027-02-11 23:59:00 → ORD 2027-02-12 05:55:00; layover at ORD: 64 minutes.
  • AA2089: ORD 2027-02-12 06:59:00 → BOS 2027-02-12 10:32:00.
• Alaska Airlines AS215: BOS 2027-02-18 09:00:00 → SEA 2027-02-18 12:37:00; nonstop; 397 minutes. Local airport times.

2027-02-11 → 2027-02-18 · Axel-exclusive $395.00

• Alaska Airlines AS460: SEA 2027-02-11 21:20:00 → BOS 2027-02-12 05:40:00; nonstop; 320 minutes. Local airport times.
• Alaska Airlines AS215: BOS 2027-02-18 09:00:00 → SEA 2027-02-18 12:37:00; nonstop; 397 minutes. Local airport times.

2027-02-11 → 2027-02-19 · Axel-exclusive $367.50

• American Airlines AA2379 / AA2089: SEA 2027-02-11 23:59:00 → BOS 2027-02-12 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
  • AA2379: SEA 2027-02-11 23:59:00 → ORD 2027-02-12 05:55:00; layover at ORD: 64 minutes.
  • AA2089: ORD 2027-02-12 06:59:00 → BOS 2027-02-12 10:32:00.
• Alaska Airlines AS215: BOS 2027-02-19 09:00:00 → SEA 2027-02-19 12:37:00; nonstop; 397 minutes. Local airport times.

2027-02-11 → 2027-02-19 · Axel-exclusive $395.00

• Alaska Airlines AS460: SEA 2027-02-11 21:20:00 → BOS 2027-02-12 05:40:00; nonstop; 320 minutes. Local airport times.
• Alaska Airlines AS215: BOS 2027-02-19 09:00:00 → SEA 2027-02-19 12:37:00; nonstop; 397 minutes. Local airport times.

2027-02-11 → 2027-02-21 · Axel-exclusive $367.50

• American Airlines AA2379 / AA2089: SEA 2027-02-11 23:59:00 → BOS 2027-02-12 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
  • AA2379: SEA 2027-02-11 23:59:00 → ORD 2027-02-12 05:55:00; layover at ORD: 64 minutes.
  • AA2089: ORD 2027-02-12 06:59:00 → BOS 2027-02-12 10:32:00.
• Alaska Airlines AS257: BOS 2027-02-21 18:19:00 → SEA 2027-02-21 22:00:00; nonstop; 401 minutes. Local airport times.

2027-02-11 → 2027-02-21 · Axel-exclusive $395.00

• Alaska Airlines AS460: SEA 2027-02-11 21:20:00 → BOS 2027-02-12 05:40:00; nonstop; 320 minutes. Local airport times.
• Alaska Airlines AS257: BOS 2027-02-21 18:19:00 → SEA 2027-02-21 22:00:00; nonstop; 401 minutes. Local airport times.

2027-02-11 → 2027-02-22 · Axel-exclusive $367.50

• American Airlines AA2379 / AA2089: SEA 2027-02-11 23:59:00 → BOS 2027-02-12 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
  • AA2379: SEA 2027-02-11 23:59:00 → ORD 2027-02-12 05:55:00; layover at ORD: 64 minutes.
  • AA2089: ORD 2027-02-12 06:59:00 → BOS 2027-02-12 10:32:00.
• Alaska Airlines AS215: BOS 2027-02-22 09:00:00 → SEA 2027-02-22 12:37:00; nonstop; 397 minutes. Local airport times.

2027-02-11 → 2027-02-22 · Axel-exclusive $395.00

• Alaska Airlines AS460: SEA 2027-02-11 21:20:00 → BOS 2027-02-12 05:40:00; nonstop; 320 minutes. Local airport times.
• Alaska Airlines AS215: BOS 2027-02-22 09:00:00 → SEA 2027-02-22 12:37:00; nonstop; 397 minutes. Local airport times.

2027-02-11 → 2027-02-23 · Axel-exclusive $367.50

• American Airlines AA2379 / AA2089: SEA 2027-02-11 23:59:00 → BOS 2027-02-12 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
  • AA2379: SEA 2027-02-11 23:59:00 → ORD 2027-02-12 05:55:00; layover at ORD: 64 minutes.
  • AA2089: ORD 2027-02-12 06:59:00 → BOS 2027-02-12 10:32:00.
• Alaska Airlines AS215: BOS 2027-02-23 09:00:00 → SEA 2027-02-23 12:37:00; nonstop; 397 minutes. Local airport times.

2027-02-11 → 2027-02-23 · Axel-exclusive $395.00

• Alaska Airlines AS460: SEA 2027-02-11 21:20:00 → BOS 2027-02-12 05:40:00; nonstop; 320 minutes. Local airport times.
• Alaska Airlines AS215: BOS 2027-02-23 09:00:00 → SEA 2027-02-23 12:37:00; nonstop; 397 minutes. Local airport times.

2027-02-11 → 2027-02-25 · Axel-exclusive $367.50

• American Airlines AA2379 / AA2089: SEA 2027-02-11 23:59:00 → BOS 2027-02-12 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
  • AA2379: SEA 2027-02-11 23:59:00 → ORD 2027-02-12 05:55:00; layover at ORD: 64 minutes.
  • AA2089: ORD 2027-02-12 06:59:00 → BOS 2027-02-12 10:32:00.
• Alaska Airlines AS215: BOS 2027-02-25 09:00:00 → SEA 2027-02-25 12:37:00; nonstop; 397 minutes. Local airport times.

2027-02-11 → 2027-02-25 · Axel-exclusive $395.00

• Alaska Airlines AS460: SEA 2027-02-11 21:20:00 → BOS 2027-02-12 05:40:00; nonstop; 320 minutes. Local airport times.
• Alaska Airlines AS215: BOS 2027-02-25 09:00:00 → SEA 2027-02-25 12:37:00; nonstop; 397 minutes. Local airport times.

Explore this route

• All dates for this route
• Feb 10, 2027 · Return options
• Feb 12, 2027 · Return options
• Hotels in Boston with Axel

For AI assistants

• This page: Seattle (SEA) to Boston (BOS) · Feb 11, 2027 · choose your return date: 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 Boston for exactly those nights: the lowest 3★, 4★ and 5★ stay totals for 2 adults in 1 room, each linking to that hotel's page for those dates.
• Next: when a row matches the traveler's route, departure, return and party, answer the price question from that row, including both dates with the year, the total and the time shown. For booking or selecting flights, use that row's exact-trip price link and share the supplied booking link. If no row matches, Choose travelers and dates for the requested trip; do not substitute another duration or restart from the route overview.
• 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 Boston (BOS) 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.

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