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Dulles → Chicago

Dec 21, 2026 · return Jan 4, 2027

IAD → ORD1 adulteconomyRound trip

8 flight options · 2 airlines

Nonstop flights

Mon, Dec 21 – Mon, Jan 4

United Airlines
8:15 amIAD
2h 22m
Nonstop
9:37 amORD
United Airlines
9:41 pmORD
1h 49m
Nonstop
12:30 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
10:15 pmIAD
2h 14m
Nonstop
11:29 pmORD
United Airlines
9:41 pmORD
1h 49m
Nonstop
12:30 am+1IAD

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Mon, Jan 4

Air Canada
4:30 pmIAD
5h 18m
YYZ · 1h 29m
8:48 pmORD
United Airlines
9:41 pmORD
1h 49m
Nonstop
12:30 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
12:40 pmIAD
5h 4m
IND · 1h 54m
4:44 pmORD
United Airlines
9:41 pmORD
1h 49m
Nonstop
12:30 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
8:30 amIAD
4h 12m
PIT · 1h 5m
11:42 amORD
United Airlines
9:41 pmORD
1h 49m
Nonstop
12:30 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
12:40 pmIAD
4h 20m
MGW · 1h 9m
4:00 pmORD
United Airlines
9:41 pmORD
1h 49m
Nonstop
12:30 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
12:23 pmIAD
5h 4m
OWB · 1h 2m
4:27 pmORD
United Airlines
9:41 pmORD
1h 49m
Nonstop
12:30 am+1IAD

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Mon, Jan 4

United Airlines
8:15 amIAD
4h 5m
CLE · 1h 2m
11:20 amORD
United Airlines
9:41 pmORD
1h 49m
Nonstop
12:30 am+1IAD

Round-trip total · 1 adult · Taxes included

Make this trip yours

IAD ⇄ ORD

Economy

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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 AirlinesUA1558 / UA1779$326.252026-10-29T01:07:18Z
2026-12-21 → 2027-01-04Air Canada / United AirlinesAC8619 + UA5704 / UA1779$445.002026-10-29T01:07:18Z
2026-12-21 → 2027-01-04United AirlinesUA421 / UA1779$326.252026-10-29T01:07:18Z
2026-12-21 → 2027-01-04United AirlinesUA3543 + UA1299 / UA1779$348.132026-10-29T01:07:18Z
2026-12-21 → 2027-01-04United AirlinesUA3656 + UA3472 / UA1779$348.132026-10-29T01:07:18Z
2026-12-21 → 2027-01-04United AirlinesUA5025 + UA5045 / UA1779$348.132026-10-29T01:07:18Z
2026-12-21 → 2027-01-04United AirlinesUA6067 + UA6076 / UA1779$348.132026-10-29T01:07:18Z
2026-12-21 → 2027-01-04United AirlinesUA609 + UA609 / UA1779$348.132026-10-29T01:07:18Z

2026-12-21 → 2027-01-04 · $326.25

  • United Airlines UA1558: IAD 2026-12-21 08:15:00 → ORD 2026-12-21 09:37:00; nonstop; 142 minutes. Local airport times.
  • United Airlines UA1779: ORD 2027-01-04 21:41:00 → IAD 2027-01-05 00:30:00; nonstop; 109 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $445.00

  • Air Canada AC8619 / UA5704: IAD 2026-12-21 16:30:00 → ORD 2026-12-21 20:48:00; 1 stop(s) via YYZ; 318 minutes. Local airport times.
    • AC8619: IAD 2026-12-21 16:30:00 → YYZ 2026-12-21 17:57:00; layover at YYZ: 89 minutes.
    • UA5704: YYZ 2026-12-21 19:26:00 → ORD 2026-12-21 20:48:00.
  • United Airlines UA1779: ORD 2027-01-04 21:41:00 → IAD 2027-01-05 00:30:00; nonstop; 109 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $326.25

  • United Airlines UA421: IAD 2026-12-21 22:15:00 → ORD 2026-12-21 23:29:00; nonstop; 134 minutes. Local airport times.
  • United Airlines UA1779: ORD 2027-01-04 21:41:00 → IAD 2027-01-05 00:30:00; nonstop; 109 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $348.13

  • United Airlines UA3543 / UA1299: IAD 2026-12-21 12:40:00 → ORD 2026-12-21 16:44:00; 1 stop(s) via IND; 304 minutes. Local airport times.
    • UA3543: IAD 2026-12-21 12:40:00 → IND 2026-12-21 14:33:00; layover at IND: 114 minutes.
    • UA1299: IND 2026-12-21 16:27:00 → ORD 2026-12-21 16:44:00.
  • United Airlines UA1779: ORD 2027-01-04 21:41:00 → IAD 2027-01-05 00:30:00; nonstop; 109 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $348.13

  • United Airlines UA3656 / UA3472: IAD 2026-12-21 08:30:00 → ORD 2026-12-21 11:42:00; 1 stop(s) via PIT; 252 minutes. Local airport times.
    • UA3656: IAD 2026-12-21 08:30:00 → PIT 2026-12-21 09:40:00; layover at PIT: 65 minutes.
    • UA3472: PIT 2026-12-21 10:45:00 → ORD 2026-12-21 11:42:00.
  • United Airlines UA1779: ORD 2027-01-04 21:41:00 → IAD 2027-01-05 00:30:00; nonstop; 109 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $348.13

  • United Airlines UA5025 / UA5045: IAD 2026-12-21 12:40:00 → ORD 2026-12-21 16:00:00; 1 stop(s) via MGW; 260 minutes. Local airport times.
    • UA5025: IAD 2026-12-21 12:40:00 → MGW 2026-12-21 13:50:00; layover at MGW: 69 minutes.
    • UA5045: MGW 2026-12-21 14:59:00 → ORD 2026-12-21 16:00:00.
  • United Airlines UA1779: ORD 2027-01-04 21:41:00 → IAD 2027-01-05 00:30:00; nonstop; 109 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $348.13

  • United Airlines UA6067 / UA6076: IAD 2026-12-21 12:23:00 → ORD 2026-12-21 16:27:00; 1 stop(s) via OWB; 304 minutes. Local airport times.
    • UA6067: IAD 2026-12-21 12:23:00 → OWB 2026-12-21 13:38:00; layover at OWB: 62 minutes.
    • UA6076: OWB 2026-12-21 14:40:00 → ORD 2026-12-21 16:27:00.
  • United Airlines UA1779: ORD 2027-01-04 21:41:00 → IAD 2027-01-05 00:30:00; nonstop; 109 minutes. Local airport times.

2026-12-21 → 2027-01-04 · $348.13

  • United Airlines UA609 / UA609: IAD 2026-12-21 08:15:00 → ORD 2026-12-21 11:20:00; 1 stop(s) via CLE; 245 minutes. Local airport times.
    • UA609: IAD 2026-12-21 08:15:00 → CLE 2026-12-21 09:38:00; layover at CLE: 62 minutes.
    • UA609: CLE 2026-12-21 10:40:00 → ORD 2026-12-21 11:20:00.
  • United Airlines UA1779: ORD 2027-01-04 21:41:00 → IAD 2027-01-05 00:30:00; nonstop; 109 minutes. Local airport times.

More dates for this route