Travel with Axel,
get the best price.

Dulles → Phoenix

Dec 21, 2026 · return Jan 4, 2027

IAD → PHX1 adulteconomyRound trip

8 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Mon, Jan 4

United Airlines
9:00 amIAD
5h 14m
Nonstop
12:14 pmPHX
United Airlines
2:54 pmPHX
4h 15m
Nonstop
9:09 pmIAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
12:55 pmIAD
5h 13m
Nonstop
4:08 pmPHX
United Airlines
2:54 pmPHX
4h 15m
Nonstop
9:09 pmIAD

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Mon, Jan 4

Frontier Airlines
1:09 pmIAD
7h 40m
LAS · 1h
6:49 pmPHX
Frontier Airlines
11:31 amPHX
6h 41m
DFW · 1h 10m
8:12 pmIAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

American Airlines
6:00 amIAD
7h 56m
CLT · 1h 24m
11:56 amPHX
American Airlines
5:00 amPHX
6h 48m
DFW · 1h 25m
1:48 pmIAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Delta Air Lines
4:57 pmIAD
7h 49m
ATL · 1h 36m
10:46 pmPHX
Delta Air Lines
4:15 pmPHX
6h 22m
ATL · 1h 8m
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

American Airlines
7:04 pmIAD
7h 24m
DFW · 1h
12:28 am+1PHX
American Airlines
5:00 amPHX
6h 48m
DFW · 1h 25m
1:48 pmIAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

Delta Air Lines
5:29 pmIAD
7h 59m
DTW · 1h 46m
11:28 pmPHX
Delta Air Lines
4:15 pmPHX
6h 22m
ATL · 1h 8m
12:37 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
8:15 amIAD
7h 21m
DEN · 1h 5m
1:36 pmPHX
United Airlines
2:54 pmPHX
4h 15m
Nonstop
9:09 pmIAD

Round-trip total · 1 adult · Taxes included

Make this trip yours

IAD ⇄ PHX

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, United 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)
2026-12-21 → 2027-01-04United AirlinesUA709 / UA1686$517.502026-10-29T01:58:07Z
2026-12-21 → 2027-01-04Frontier AirlinesF94277 + F94048 / F93284 + F93208$253.132026-10-29T01:58:07Z
2026-12-21 → 2027-01-04American AirlinesAA5649 + AA680 / AA1806 + AA2774$461.252026-10-29T01:58:07Z
2026-12-21 → 2027-01-04Delta Air LinesDL2135 + DL1967 / DL433 + DL2549$483.752026-10-29T01:58:07Z
2026-12-21 → 2027-01-04United AirlinesUA1637 / UA1686$517.502026-10-29T01:58:07Z
2026-12-21 → 2027-01-04American AirlinesAA2414 + AA1193 / AA1806 + AA2774$461.252026-10-29T01:58:07Z
2026-12-21 → 2027-01-04Delta Air LinesDL5073 + DL2076 / DL433 + DL2549$483.752026-10-29T01:58:07Z
2026-12-21 → 2027-01-04United AirlinesUA792 + UA1686 / UA1686$491.502026-10-29T01:58:07Z

2026-12-21 → 2027-01-04 · $517.50

  • United Airlines UA709: IAD 2026-12-21 09:00:00 → PHX 2026-12-21 12:14:00; nonstop; 314 minutes. Local airport times.
  • United Airlines UA1686: PHX 2027-01-04 14:54:00 → IAD 2027-01-04 21:09:00; nonstop; 255 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $253.13

  • Frontier Airlines F94277 / F94048: IAD 2026-12-21 13:09:00 → PHX 2026-12-21 18:49:00; 1 stop(s) via LAS; 460 minutes. Local airport times.
    • F94277: IAD 2026-12-21 13:09:00 → LAS 2026-12-21 15:31:00; layover at LAS: 60 minutes.
    • F94048: LAS 2026-12-21 16:31:00 → PHX 2026-12-21 18:49:00.
  • Frontier Airlines F93284 / F93208: PHX 2027-01-04 11:31:00 → IAD 2027-01-04 20:12:00; 1 stop(s) via DFW; 401 minutes. Local airport times.
    • F93284: PHX 2027-01-04 11:31:00 → DFW 2027-01-04 15:07:00; layover at DFW: 70 minutes.
    • F93208: DFW 2027-01-04 16:17:00 → IAD 2027-01-04 20:12:00.

2026-12-21 → 2027-01-04 · $461.25

  • American Airlines AA5649 / AA680: IAD 2026-12-21 06:00:00 → PHX 2026-12-21 11:56:00; 1 stop(s) via CLT; 476 minutes. Local airport times.
    • AA5649: IAD 2026-12-21 06:00:00 → CLT 2026-12-21 07:48:00; layover at CLT: 84 minutes.
    • AA680: CLT 2026-12-21 09:12:00 → PHX 2026-12-21 11:56:00.
  • American Airlines AA1806 / AA2774: PHX 2027-01-04 05:00:00 → IAD 2027-01-04 13:48:00; 1 stop(s) via DFW; 408 minutes. Local airport times.
    • AA1806: PHX 2027-01-04 05:00:00 → DFW 2027-01-04 08:32:00; layover at DFW: 85 minutes.
    • AA2774: DFW 2027-01-04 09:57:00 → IAD 2027-01-04 13:48:00.

2026-12-21 → 2027-01-04 · $483.75

  • Delta Air Lines DL2135 / DL1967: IAD 2026-12-21 16:57:00 → PHX 2026-12-21 22:46:00; 1 stop(s) via ATL; 469 minutes. Local airport times.
    • DL2135: IAD 2026-12-21 16:57:00 → ATL 2026-12-21 18:54:00; layover at ATL: 96 minutes.
    • DL1967: ATL 2026-12-21 20:30:00 → PHX 2026-12-21 22:46:00.
  • Delta Air Lines DL433 / DL2549: PHX 2027-01-04 16:15:00 → IAD 2027-01-05 00:37:00; 1 stop(s) via ATL; 382 minutes. Local airport times.
    • DL433: PHX 2027-01-04 16:15:00 → ATL 2027-01-04 21:47:00; layover at ATL: 68 minutes.
    • DL2549: ATL 2027-01-04 22:55:00 → IAD 2027-01-05 00:37:00.

2026-12-21 → 2027-01-04 · $517.50

  • United Airlines UA1637: IAD 2026-12-21 12:55:00 → PHX 2026-12-21 16:08:00; nonstop; 313 minutes. Local airport times.
  • United Airlines UA1686: PHX 2027-01-04 14:54:00 → IAD 2027-01-04 21:09:00; nonstop; 255 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $461.25

  • American Airlines AA2414 / AA1193: IAD 2026-12-21 19:04:00 → PHX 2026-12-22 00:28:00; 1 stop(s) via DFW; 444 minutes. Local airport times.
    • AA2414: IAD 2026-12-21 19:04:00 → DFW 2026-12-21 21:50:00; layover at DFW: 60 minutes.
    • AA1193: DFW 2026-12-21 22:50:00 → PHX 2026-12-22 00:28:00.
  • American Airlines AA1806 / AA2774: PHX 2027-01-04 05:00:00 → IAD 2027-01-04 13:48:00; 1 stop(s) via DFW; 408 minutes. Local airport times.
    • AA1806: PHX 2027-01-04 05:00:00 → DFW 2027-01-04 08:32:00; layover at DFW: 85 minutes.
    • AA2774: DFW 2027-01-04 09:57:00 → IAD 2027-01-04 13:48:00.

2026-12-21 → 2027-01-04 · $483.75

  • Delta Air Lines DL5073 / DL2076: IAD 2026-12-21 17:29:00 → PHX 2026-12-21 23:28:00; 1 stop(s) via DTW; 479 minutes. Local airport times.
    • DL5073: IAD 2026-12-21 17:29:00 → DTW 2026-12-21 19:13:00; layover at DTW: 106 minutes.
    • DL2076: DTW 2026-12-21 20:59:00 → PHX 2026-12-21 23:28:00.
  • Delta Air Lines DL433 / DL2549: PHX 2027-01-04 16:15:00 → IAD 2027-01-05 00:37:00; 1 stop(s) via ATL; 382 minutes. Local airport times.
    • DL433: PHX 2027-01-04 16:15:00 → ATL 2027-01-04 21:47:00; layover at ATL: 68 minutes.
    • DL2549: ATL 2027-01-04 22:55:00 → IAD 2027-01-05 00:37:00.

2026-12-21 → 2027-01-04 · $491.50

  • United Airlines UA792 / UA1686: IAD 2026-12-21 08:15:00 → PHX 2026-12-21 13:36:00; 1 stop(s) via DEN; 441 minutes. Local airport times.
    • UA792: IAD 2026-12-21 08:15:00 → DEN 2026-12-21 10:27:00; layover at DEN: 65 minutes.
    • UA1686: DEN 2026-12-21 11:32:00 → PHX 2026-12-21 13:36:00.
  • United Airlines UA1686: PHX 2027-01-04 14:54:00 → IAD 2027-01-04 21:09:00; nonstop; 255 minutes. Local airport times.

More dates for this route