Flights from United States to Chicago O'Hare

Trip type

Our cheapest offers for flights from United States a Chicago O'Hare

Here you can compare cheap flights from United States to Chicago O'Hare (ORD) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Chicago O'Hare. Prices and availability may change at any time.

  • Los Angeles (LAX)Chicago O'Hare (ORD)
    non-stop flights:
    33–57 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    • Delta Air Lines
    • Spirit Airlines
    • Frontier Airlines
    • Cathay Pacific Airways
    from $209
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines17–3016–3016–3016–3116–3116–3216–31
    American Airlines11–1612–1612–1610–1710–1610–1610–16
    Delta Air Lines4444444
    Spirit Airlines2–32–32–32–32–32–32–3
    Frontier Airlines1122111
    Cathay Pacific Airways0000100
  • Boston (BOS)Chicago O'Hare (ORD)
    non-stop flights:
    26–46 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    • Delta Air Lines
    • JetBlue Airways
    • Royal Jordanian
    from $196
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines12–1912–1813–1812–1912–1913–1912–19
    American Airlines9–139–169–169–169–159–169–13
    Delta Air Lines4–94–94–94–94–73–84–7
    JetBlue Airways21–21–2221–22
    Royal Jordanian0010010
  • New York (LGA)Chicago O'Hare (ORD)
    non-stop flights:
    35–93 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • Delta Air Lines
    • American Airlines
    • Spirit Airlines
    • Royal Jordanian
    from $130
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines25–5025–5125–4925–5125–5019–3821–40
    Delta Air Lines9–229–239–239–239–234–177–23
    American Airlines10–1310–1710–1710–1710–1810–1710–13
    Spirit Airlines1–21–21–21–21–21–21–2
    Royal Jordanian0000010
  • Dallas (DFW)Chicago O'Hare (ORD)
    non-stop flights:
    25–39 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • American Airlines
    • United Airlines
    • Frontier Airlines
    • Spirit Airlines
    • Aer Lingus Irish Airlines
    from $131
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    American Airlines17–2516–2315–2316–2616–2414–2316–25
    United Airlines8–109–109–108–108–108–108–10
    Frontier Airlines1–222221–22
    Spirit Airlines1111111
    Aer Lingus Irish Airlines1000011
  • Charlotte (CLT)Chicago O'Hare (ORD)
    non-stop flights:
    13–28 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • American Airlines
    • United Airlines
    • Frontier Airlines
    from $227
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    American Airlines8–149–179–178–178–198–168–13
    United Airlines5–85–85–85–85–85–85–8
    Frontier Airlines1001101
  • New York (JFK)Chicago O'Hare (ORD)
    non-stop flights:
    13–23 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Delta Air Lines
    • American Airlines
    • JetBlue Airways
    • Frontier Airlines
    • Volaris
    • Cathay Pacific Airways
    from $172
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Delta Air Lines6–96–96–96–96–96–96–9
    American Airlines4–64–64–63–73–74–83–7
    JetBlue Airways1–32–32–32–32–32–32–3
    Frontier Airlines1111111
    Volaris1001101
    Cathay Pacific Airways1100001
    Qantas Airways0010001
    Turkish Airlines0001000
  • Washington DC (DCA)Chicago O'Hare (ORD)
    non-stop flights:
    22–40 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    from $177
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines15–2715–2715–2715–2715–2714–2815–27
    American Airlines8–128–138–138–138–138–128–12
  • Newark (EWR)Chicago O'Hare (ORD)
    non-stop flights:
    32–48 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    • Spirit Airlines
    from $119
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines26–3626–3626–3627–3627–3626–3526–36
    American Airlines5–85–105–105–105–105–105–8
    Spirit Airlines1–21–21–21–21–21–21–2
  • Orlando (MCO)Chicago O'Hare (ORD)
    non-stop flights:
    24–43 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    • Spirit Airlines
    • Frontier Airlines
    • Alaska Airlines
    from $120
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines15–2516–2516–2516–2516–2416–2415–24
    American Airlines5–105–105–115–105–105–115–10
    Spirit Airlines2–42–42–42–42–42–42–4
    Frontier Airlines1–31–21–21–22–31–31–2
    Alaska Airlines1110101
  • Atlanta (ATL)Chicago O'Hare (ORD)
    non-stop flights:
    25–47 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    • Delta Air Lines
    • Frontier Airlines
    • Spirit Airlines
    • Turkish Airlines
    from $79
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines10–1910–1910–1910–1710–1712–1810–19
    American Airlines5–125–145–145–145–146–145–12
    Delta Air Lines7–97–97–97–97–97–87–9
    Frontier Airlines21–22–3222–32
    Spirit Airlines2222222
    Turkish Airlines0000100
  • Buffalo (BUF)Chicago O'Hare (ORD)
    non-stop flights:
    12–28 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    • Royal Jordanian
    from $231
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines9–168–168–169–169–168–149–14
    American Airlines4–104–124–124–124–125–124–10
    Royal Jordanian0000001
  • Denver (DEN)Chicago O'Hare (ORD)
    non-stop flights:
    17–35 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    • Frontier Airlines
    • Royal Jordanian
    from $143
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines11–2311–2311–2311–2311–2311–2311–23
    American Airlines6–106–106–106–106–106–106–10
    Frontier Airlines1–2011–21–211–2
    Royal Jordanian0010010
  • Philadelphia (PHL)Chicago O'Hare (ORD)
    non-stop flights:
    16–35 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    • Frontier Airlines
    from $382
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines7–197–187–187–197–197–197–19
    American Airlines9–1511–1611–169–159–159–159–15
    Frontier Airlines1001101
  • Detroit (DTW)Chicago O'Hare (ORD)
    non-stop flights:
    20–37 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    • Delta Air Lines
    from $145
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines7–147–147–147–147–147–147–14
    American Airlines7–117–127–127–127–138–137–11
    Delta Air Lines6–106–96–96–106–105–96–10
  • Baltimore (BWI)Chicago O'Hare (ORD)
    non-stop flights:
    11–23 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    • Frontier Airlines
    • Spirit Airlines
    from $131
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines7–138–138–137–137–138–147–13
    American Airlines3–73–73–73–73–83–73–7
    Frontier Airlines1–2011–21–201–2
    Spirit Airlines0001001
  • Cleveland (CLE)Chicago O'Hare (ORD)
    non-stop flights:
    21–39 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    • Royal Jordanian
    from $127
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines12–2012–2012–2012–2012–1912–2212–20
    American Airlines9–169–179–178–178–169–168–16
    Royal Jordanian1111111
  • Honolulu (HNL)Chicago O'Hare (ORD)
    non-stop flights:
    2–3 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    from $336
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines1–2111111
    American Airlines1111111
  • Fort Lauderdale (FLL)Chicago O'Hare (ORD)
    non-stop flights:
    11–29 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • Spirit Airlines
    • American Airlines
    • Frontier Airlines
    from $144
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines6–156–146–146–156–166–156–15
    Spirit Airlines3–73–73–73–73–73–73–7
    American Airlines1–41–51–41–51–51–41–4
    Frontier Airlines1111–2111–2
  • Allentown (ABE)Chicago O'Hare (ORD)
    non-stop flights:
    4–7 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    from $233
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines4–74–74–74–74–74–74–7
  • Appleton (ATW)Chicago O'Hare (ORD)
    non-stop flights:
    11–24 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • American Airlines
    from $192
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines8–188–188–188–188–188–188–18
    American Airlines3–63–63–63–63–63–63–6
Prices based on recent searches, subject to last-minute changes
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