Travel with Axel,
get the best price.

Seattle → Boston

Dec 2, 2026 · return Dec 5, 2026

SEA → BOS1 adulteconomyRound trip

10 flight options · 3 airlines

Nonstop flights

Wed, Dec 2 – Sat, Dec 5

Alaska Airlines
3:40 pmSEA
5h 19m
Nonstop
11:59 pmBOS
Alaska Airlines
7:00 amBOS
6h 38m
Nonstop
10:38 amSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

Delta Air Lines
11:07 pmSEA
5h 13m
Nonstop
7:20 am+1BOS
Delta Air Lines
10:40 amBOS
6h 23m
Nonstop
2:03 pmSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

Alaska Airlines
9:00 amSEA
5h 19m
Nonstop
5:19 pmBOS
Alaska Airlines
7:00 amBOS
6h 38m
Nonstop
10:38 amSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

Delta Air Lines
3:45 pmSEA
5h 9m
Nonstop
11:54 pmBOS
Delta Air Lines
10:40 amBOS
6h 23m
Nonstop
2:03 pmSEA

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 2 – Sat, Dec 5

American Airlines
11:59 pmSEA
7h 33m
ORD · 1h 4m
10:32 am+1BOS
Delta Air Lines
10:40 amBOS
6h 23m
Nonstop
2:03 pmSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

Alaska Airlines
7:54 pmSEA
7h 26m
PDX · 1h 9m
6:20 am+1BOS
Alaska Airlines
7:00 amBOS
6h 38m
Nonstop
10:38 amSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

Alaska Airlines
2:02 pmSEA
7h 19m
DCA · 1h
12:21 am+1BOS
Alaska Airlines
7:00 amBOS
6h 38m
Nonstop
10:38 amSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

Alaska Airlines
9:16 amSEA
7h 39m
STL · 1h 9m
7:55 pmBOS
Alaska Airlines
7:00 amBOS
6h 38m
Nonstop
10:38 amSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

American Airlines
12:34 pmSEA
7h 39m
PHL · 1h 15m
11:13 pmBOS
Delta Air Lines
10:40 amBOS
6h 23m
Nonstop
2:03 pmSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

Delta Air Lines
1:25 pmSEA
7h 32m
SLC · 1h 10m
11:57 pmBOS
Delta Air Lines
10:40 amBOS
6h 23m
Nonstop
2:03 pmSEA

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ BOS

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

More dates

All dates for this routeNov 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)
2026-12-02 → 2026-12-05Alaska AirlinesAS460 / AS459$395.002026-10-29T00:39:14Z
2026-12-02 → 2026-12-05Delta Air LinesDL473 / DL332$415.002026-10-29T00:39:14Z
2026-12-02 → 2026-12-05American Airlines / Delta Air LinesAA2379 + AA2089 / DL332$377.502026-10-29T00:39:14Z
2026-12-02 → 2026-12-05Alaska AirlinesAS279 / AS459$395.002026-10-29T00:39:14Z
2026-12-02 → 2026-12-05Delta Air LinesDL474 / DL332$415.002026-10-29T00:39:14Z
2026-12-02 → 2026-12-05Alaska AirlinesAS2239 + AS436 / AS459$377.502026-10-29T00:39:14Z
2026-12-02 → 2026-12-05Alaska AirlinesAS2 + AA1152 / AS459$377.502026-10-29T00:39:14Z
2026-12-02 → 2026-12-05Alaska AirlinesAS314 + AA4801 / AS459$377.502026-10-29T00:39:14Z
2026-12-02 → 2026-12-05American Airlines / Delta Air LinesAA2203 + AA1874 / DL332$377.502026-10-29T00:39:14Z
2026-12-02 → 2026-12-05Delta Air LinesDL1120 + DL702 / DL332$392.502026-10-29T00:39:14Z

2026-12-02 → 2026-12-05 · $395.00

  • Alaska Airlines AS460: SEA 2026-12-02 15:40:00 → BOS 2026-12-02 23:59:00; nonstop; 319 minutes. Local airport times.
  • Alaska Airlines AS459: BOS 2026-12-05 07:00:00 → SEA 2026-12-05 10:38:00; nonstop; 398 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $415.00

  • Delta Air Lines DL473: SEA 2026-12-02 23:07:00 → BOS 2026-12-03 07:20:00; nonstop; 313 minutes. Local airport times.
  • Delta Air Lines DL332: BOS 2026-12-05 10:40:00 → SEA 2026-12-05 14:03:00; nonstop; 383 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $377.50

  • American Airlines AA2379 / AA2089: SEA 2026-12-02 23:59:00 → BOS 2026-12-03 10:32:00; 1 stop(s) via ORD; 453 minutes. Local airport times.
    • AA2379: SEA 2026-12-02 23:59:00 → ORD 2026-12-03 05:55:00; layover at ORD: 64 minutes.
    • AA2089: ORD 2026-12-03 06:59:00 → BOS 2026-12-03 10:32:00.
  • Delta Air Lines DL332: BOS 2026-12-05 10:40:00 → SEA 2026-12-05 14:03:00; nonstop; 383 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $395.00

  • Alaska Airlines AS279: SEA 2026-12-02 09:00:00 → BOS 2026-12-02 17:19:00; nonstop; 319 minutes. Local airport times.
  • Alaska Airlines AS459: BOS 2026-12-05 07:00:00 → SEA 2026-12-05 10:38:00; nonstop; 398 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $415.00

  • Delta Air Lines DL474: SEA 2026-12-02 15:45:00 → BOS 2026-12-02 23:54:00; nonstop; 309 minutes. Local airport times.
  • Delta Air Lines DL332: BOS 2026-12-05 10:40:00 → SEA 2026-12-05 14:03:00; nonstop; 383 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $377.50

  • Alaska Airlines AS2239 / AS436: SEA 2026-12-02 19:54:00 → BOS 2026-12-03 06:20:00; 1 stop(s) via PDX; 446 minutes. Local airport times.
    • AS2239: SEA 2026-12-02 19:54:00 → PDX 2026-12-02 20:50:00; layover at PDX: 69 minutes.
    • AS436: PDX 2026-12-02 21:59:00 → BOS 2026-12-03 06:20:00.
  • Alaska Airlines AS459: BOS 2026-12-05 07:00:00 → SEA 2026-12-05 10:38:00; nonstop; 398 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $377.50

  • Alaska Airlines AS2 / AA1152: SEA 2026-12-02 14:02:00 → BOS 2026-12-03 00:21:00; 1 stop(s) via DCA; 439 minutes. Local airport times.
    • AS2: SEA 2026-12-02 14:02:00 → DCA 2026-12-02 21:59:00; layover at DCA: 60 minutes.
    • AA1152: DCA 2026-12-02 22:59:00 → BOS 2026-12-03 00:21:00.
  • Alaska Airlines AS459: BOS 2026-12-05 07:00:00 → SEA 2026-12-05 10:38:00; nonstop; 398 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $377.50

  • Alaska Airlines AS314 / AA4801: SEA 2026-12-02 09:16:00 → BOS 2026-12-02 19:55:00; 1 stop(s) via STL; 459 minutes. Local airport times.
    • AS314: SEA 2026-12-02 09:16:00 → STL 2026-12-02 15:06:00; layover at STL: 69 minutes.
    • AA4801: STL 2026-12-02 16:15:00 → BOS 2026-12-02 19:55:00.
  • Alaska Airlines AS459: BOS 2026-12-05 07:00:00 → SEA 2026-12-05 10:38:00; nonstop; 398 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $377.50

  • American Airlines AA2203 / AA1874: SEA 2026-12-02 12:34:00 → BOS 2026-12-02 23:13:00; 1 stop(s) via PHL; 459 minutes. Local airport times.
    • AA2203: SEA 2026-12-02 12:34:00 → PHL 2026-12-02 20:35:00; layover at PHL: 75 minutes.
    • AA1874: PHL 2026-12-02 21:50:00 → BOS 2026-12-02 23:13:00.
  • Delta Air Lines DL332: BOS 2026-12-05 10:40:00 → SEA 2026-12-05 14:03:00; nonstop; 383 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $392.50

  • Delta Air Lines DL1120 / DL702: SEA 2026-12-02 13:25:00 → BOS 2026-12-02 23:57:00; 1 stop(s) via SLC; 452 minutes. Local airport times.
    • DL1120: SEA 2026-12-02 13:25:00 → SLC 2026-12-02 16:26:00; layover at SLC: 70 minutes.
    • DL702: SLC 2026-12-02 17:36:00 → BOS 2026-12-02 23:57:00.
  • Delta Air Lines DL332: BOS 2026-12-05 10:40:00 → SEA 2026-12-05 14:03:00; nonstop; 383 minutes. Local airport times.

More dates for this route