Travel with Axel,
get the best price.

Dulles → Saint Thomas

Aug 21, 2027 · return Aug 28, 2027

IAD → STT1 adulteconomyRound trip

2 flight options · 2 airlines

One-stop flights

Sat, Aug 21 – Sat, Aug 28

Delta Air Lines
6:00 amIAD
8h 5m
ATL · 2h 26m
2:05 pmSTT
Delta Air Lines
3:53 pmSTT
9h 43m
ATL · 4h
1:36 am+1IAD

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

United Airlines
8:56 amIAD
4h
Nonstop
12:56 pmSTT
United Airlines
3:00 pmSTT
10h 30m
ORD · 2h 56m
1:30 am+1IAD

Round-trip total · 1 adult · Taxes included

Make this trip yours

IAD ⇄ STT

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, Delta Air Lines 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 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
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)
2027-08-21 → 2027-08-28Delta Air LinesDL2327 + DL1899 / DL2054 + DL2549$456.002026-10-29T01:07:59Z
2027-08-21 → 2027-08-28United AirlinesUA1443 / UA2365 + UA1779$467.882026-10-29T01:07:59Z

2027-08-21 → 2027-08-28 · $456.00

  • Delta Air Lines DL2327 / DL1899: IAD 2027-08-21 06:00:00 → STT 2027-08-21 14:05:00; 1 stop(s) via ATL; 485 minutes. Local airport times.
    • DL2327: IAD 2027-08-21 06:00:00 → ATL 2027-08-21 07:58:00; layover at ATL: 146 minutes.
    • DL1899: ATL 2027-08-21 10:24:00 → STT 2027-08-21 14:05:00.
  • Delta Air Lines DL2054 / DL2549: STT 2027-08-28 15:53:00 → IAD 2027-08-29 01:36:00; 1 stop(s) via ATL; 583 minutes. Local airport times.
    • DL2054: STT 2027-08-28 15:53:00 → ATL 2027-08-28 19:55:00; layover at ATL: 240 minutes.
    • DL2549: ATL 2027-08-28 23:55:00 → IAD 2027-08-29 01:36:00.

2027-08-21 → 2027-08-28 · $467.88

  • United Airlines UA1443: IAD 2027-08-21 08:56:00 → STT 2027-08-21 12:56:00; nonstop; 240 minutes. Local airport times.
  • United Airlines UA2365 / UA1779: STT 2027-08-28 15:00:00 → IAD 2027-08-29 01:30:00; 1 stop(s) via ORD; 630 minutes. Local airport times.
    • UA2365: STT 2027-08-28 15:00:00 → ORD 2027-08-28 19:45:00; layover at ORD: 176 minutes.
    • UA1779: ORD 2027-08-28 22:41:00 → IAD 2027-08-29 01:30:00.

More dates for this route