Travel with Axel,
get the best price.

Route overview: Phoenix to Dulles (IAD) flight deals

Phoenix → Dulles

Dec 17, 2026 · return Dec 24, 2026

PHX → IAD1 adulteconomyRound trip

7 flight options · 4 airlines

Nonstop flights

Thu, Dec 17 – Thu, Dec 24

United Airlines
9:50 amPHX
4h 17m
Nonstop
4:07 pmIAD
United Airlines
12:55 pmIAD
5h 13m
Nonstop
4:08 pmPHX

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Dec 17 – Thu, Dec 24

Frontier Airlines
8:56 pmPHX
7h 11m
LAS · 1h 28m
6:07 am+1IAD
Frontier Airlines
1:09 pmIAD
7h 40m
LAS · 1h
6:49 pmPHX

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Thu, Dec 24

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

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Thu, Dec 24

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

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Thu, Dec 24

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

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Thu, Dec 24

United Airlines
11:59 pmPHX
6h 50m
ORD · 1h 32m
8:49 am+1IAD
United Airlines
8:15 amIAD
7h 21m
DEN · 1h 5m
1:36 pmPHX

Round-trip total · 1 adult · Taxes included

Thu, Dec 17 – Thu, Dec 24

United Airlines
8:50 amPHX
4h 13m
Nonstop
3:03 pmIAD
United Airlines
8:15 amIAD
7h 21m
DEN · 1h 5m
1:36 pmPHX

Round-trip total · 1 adult · Taxes included

Make this trip yours

PHX ⇄ IAD

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

Explore this route

All dates for this routeDec 16, 2026 → Dec 23, 2026Dec 18, 2026 → Dec 25, 2026
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.

Route overview: Phoenix to Dulles (IAD) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-17 → 2026-12-24United AirlinesUA1873 / UA1637$488.752026-10-29T01:56:24Z
2026-12-17 → 2026-12-24Frontier AirlinesF94113 + F94278 / F94277 + F94048$270.252026-10-29T01:56:24Z
2026-12-17 → 2026-12-24American AirlinesAA1806 + AA2774 / AA2414 + AA1193$419.752026-10-29T01:56:24Z
2026-12-17 → 2026-12-24Delta Air LinesDL433 + DL2549 / DL2135 + DL1967$454.252026-10-29T01:56:24Z
2026-12-17 → 2026-12-24Frontier AirlinesF93284 + F93208 / F94277 + F94048$270.252026-10-29T01:56:24Z
2026-12-17 → 2026-12-24United AirlinesUA2019 + UA1055 / UA792 + UA1686$419.752026-10-29T01:56:24Z
2026-12-17 → 2026-12-24United AirlinesUA1873 / UA792 + UA1686$449.752026-10-29T01:56:24Z

2026-12-17 → 2026-12-24 · $488.75

  • United Airlines UA1873: PHX 2026-12-17 09:50:00 → IAD 2026-12-17 16:07:00; nonstop; 257 minutes. Local airport times.
  • United Airlines UA1637: IAD 2026-12-24 12:55:00 → PHX 2026-12-24 16:08:00; nonstop; 313 minutes. Local airport times.

2026-12-17 → 2026-12-24 · $270.25

  • Frontier Airlines F94113 / F94278: PHX 2026-12-17 20:56:00 → IAD 2026-12-18 06:07:00; 1 stop(s) via LAS; 431 minutes. Local airport times.
    • F94113: PHX 2026-12-17 20:56:00 → LAS 2026-12-17 21:11:00; layover at LAS: 88 minutes.
    • F94278: LAS 2026-12-17 22:39:00 → IAD 2026-12-18 06:07:00.
  • Frontier Airlines F94277 / F94048: IAD 2026-12-24 13:09:00 → PHX 2026-12-24 18:49:00; 1 stop(s) via LAS; 460 minutes. Local airport times.
    • F94277: IAD 2026-12-24 13:09:00 → LAS 2026-12-24 15:31:00; layover at LAS: 60 minutes.
    • F94048: LAS 2026-12-24 16:31:00 → PHX 2026-12-24 18:49:00.

2026-12-17 → 2026-12-24 · $419.75

  • American Airlines AA1806 / AA2774: PHX 2026-12-17 05:00:00 → IAD 2026-12-17 13:48:00; 1 stop(s) via DFW; 408 minutes. Local airport times.
    • AA1806: PHX 2026-12-17 05:00:00 → DFW 2026-12-17 08:32:00; layover at DFW: 85 minutes.
    • AA2774: DFW 2026-12-17 09:57:00 → IAD 2026-12-17 13:48:00.
  • American Airlines AA2414 / AA1193: IAD 2026-12-24 19:04:00 → PHX 2026-12-25 00:28:00; 1 stop(s) via DFW; 444 minutes. Local airport times.
    • AA2414: IAD 2026-12-24 19:04:00 → DFW 2026-12-24 21:50:00; layover at DFW: 60 minutes.
    • AA1193: DFW 2026-12-24 22:50:00 → PHX 2026-12-25 00:28:00.

2026-12-17 → 2026-12-24 · $454.25

  • Delta Air Lines DL433 / DL2549: PHX 2026-12-17 16:15:00 → IAD 2026-12-18 00:37:00; 1 stop(s) via ATL; 382 minutes. Local airport times.
    • DL433: PHX 2026-12-17 16:15:00 → ATL 2026-12-17 21:47:00; layover at ATL: 68 minutes.
    • DL2549: ATL 2026-12-17 22:55:00 → IAD 2026-12-18 00:37:00.
  • Delta Air Lines DL2135 / DL1967: IAD 2026-12-24 16:57:00 → PHX 2026-12-24 22:46:00; 1 stop(s) via ATL; 469 minutes. Local airport times.
    • DL2135: IAD 2026-12-24 16:57:00 → ATL 2026-12-24 18:54:00; layover at ATL: 96 minutes.
    • DL1967: ATL 2026-12-24 20:30:00 → PHX 2026-12-24 22:46:00.

2026-12-17 → 2026-12-24 · $270.25

  • Frontier Airlines F93284 / F93208: PHX 2026-12-17 11:31:00 → IAD 2026-12-17 20:12:00; 1 stop(s) via DFW; 401 minutes. Local airport times.
    • F93284: PHX 2026-12-17 11:31:00 → DFW 2026-12-17 15:07:00; layover at DFW: 70 minutes.
    • F93208: DFW 2026-12-17 16:17:00 → IAD 2026-12-17 20:12:00.
  • Frontier Airlines F94277 / F94048: IAD 2026-12-24 13:09:00 → PHX 2026-12-24 18:49:00; 1 stop(s) via LAS; 460 minutes. Local airport times.
    • F94277: IAD 2026-12-24 13:09:00 → LAS 2026-12-24 15:31:00; layover at LAS: 60 minutes.
    • F94048: LAS 2026-12-24 16:31:00 → PHX 2026-12-24 18:49:00.

2026-12-17 → 2026-12-24 · $419.75

  • United Airlines UA2019 / UA1055: PHX 2026-12-17 23:59:00 → IAD 2026-12-18 08:49:00; 1 stop(s) via ORD; 410 minutes. Local airport times.
    • UA2019: PHX 2026-12-17 23:59:00 → ORD 2026-12-18 04:23:00; layover at ORD: 92 minutes.
    • UA1055: ORD 2026-12-18 05:55:00 → IAD 2026-12-18 08:49:00.
  • United Airlines UA792 / UA1686: IAD 2026-12-24 08:15:00 → PHX 2026-12-24 13:36:00; 1 stop(s) via DEN; 441 minutes. Local airport times.
    • UA792: IAD 2026-12-24 08:15:00 → DEN 2026-12-24 10:27:00; layover at DEN: 65 minutes.
    • UA1686: DEN 2026-12-24 11:32:00 → PHX 2026-12-24 13:36:00.

2026-12-17 → 2026-12-24 · $449.75

  • United Airlines UA1873: PHX 2026-12-17 08:50:00 → IAD 2026-12-17 15:03:00; nonstop; 253 minutes. Local airport times.
  • United Airlines UA792 / UA1686: IAD 2026-12-24 08:15:00 → PHX 2026-12-24 13:36:00; 1 stop(s) via DEN; 441 minutes. Local airport times.
    • UA792: IAD 2026-12-24 08:15:00 → DEN 2026-12-24 10:27:00; layover at DEN: 65 minutes.
    • UA1686: DEN 2026-12-24 11:32:00 → PHX 2026-12-24 13:36:00.

Explore this route