Flights from United States to Chicago O'Hare

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.

  • Boston (BOS)Chicago O'Hare (ORD)
    non-stop flights:
    up to 28 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    • Delta Air Lines
    • JetBlue Airways
    • Alaska Airlines
    • Westjet
    from $130
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines9–269–269–269–269–2610–289–26
    American Airlines6–196–196–196–196–196–196–19
    Delta Air Lines4–114–114–114–114–114–114–11
    JetBlue Airways2–31–31–2221–32–3
    Alaska Airlines2222222
    Westjet0001–21–21–21–2
    TAP Air Portugal0111100
    Spirit Airlines0001001
    KLM0000101
    SAS Scandinavian Airlines0100000
    Royal Jordanian0010000
  • New York (LGA)Chicago O'Hare (ORD)
    non-stop flights:
    1–52 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    • Delta Air Lines
    • Spirit Airlines
    • Alaska Airlines
    from $104
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines28–5228–5228–5228–5128–5119–3319–45
    American Airlines9–239–239–249–239–239–239–23
    Delta Air Lines10–2011–2311–2110–2010–204–2010–21
    Spirit Airlines1–61–51–61–61–51–71–6
    Alaska Airlines1111111
  • Dallas (DFW)Chicago O'Hare (ORD)
    non-stop flights:
    up to 42 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • American Airlines
    • United Airlines
    • Spirit Airlines
    • Frontier Airlines
    • Atlas Air
    • Royal Jordanian
    from $115
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    American Airlines14–3815–3715–3714–3914–3813–3714–42
    United Airlines7–197–197–196–196–196–186–19
    Spirit Airlines1–41–31–31–51–41–21–4
    Frontier Airlines1–21–21–21–21–21–21–3
    Atlas Air1000100
    Royal Jordanian0110000
    Aer Lingus Irish Airlines0000001
  • Charlotte (CLT)Chicago O'Hare (ORD)
    non-stop flights:
    up to 23 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • American Airlines
    • United Airlines
    • Frontier Airlines
    • Royal Jordanian
    from $106
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    American Airlines9–219–219–219–219–2110–2110–23
    United Airlines3–73–73–73–73–73–83–7
    Frontier Airlines1111111
    Royal Jordanian0111000
  • San Francisco (SFO)Chicago O'Hare (ORD)
    non-stop flights:
    up to 37 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    • Alaska Airlines
    • Iberia
    • Finnair
    • Gulf Air
    from $269
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines20–3620–3620–3620–3621–3621–3721–37
    American Airlines4–94–94–94–94–94–94–9
    Alaska Airlines1111111
    Iberia1111111
    Finnair0010000
    Gulf Air0100000
  • Washington DC (IAD)Chicago O'Hare (ORD)
    non-stop flights:
    up to 14 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • Turkish Airlines
    from $144
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines6–146–146–146–136–136–146–13
    Turkish Airlines0010100
  • New York (JFK)Chicago O'Hare (ORD)
    non-stop flights:
    up to 10 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • Delta Air Lines
    • American Airlines
    • JetBlue Airways
    • Frontier Airlines
    • Qantas Airways
    • Atlas Air
    from $129
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Delta Air Lines4–104–104–104–104–104–104–10
    American Airlines2–102–102–102–102–102–102–10
    JetBlue Airways1–31–21–21–21–21–21–2
    Frontier Airlines1111111
    Qantas Airways0010001
    Atlas Air0010000
    Cathay Pacific Airways1000000
    Turkish Airlines0000100
  • Washington DC (DCA)Chicago O'Hare (ORD)
    non-stop flights:
    6–34 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    from $189
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines19–3119–3119–3119–3119–316–3419–34
    American Airlines7–147–147–147–147–147–147–14
  • Newark (EWR)Chicago O'Hare (ORD)
    non-stop flights:
    1–38 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    • Spirit Airlines
    from $123
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines18–3618–3618–3618–3618–3618–3618–38
    American Airlines4–144–144–144–144–144–144–14
    Spirit Airlines1–21–211–21–21–21–2
  • Atlanta (ATL)Chicago O'Hare (ORD)
    non-stop flights:
    up to 21 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    • Delta Air Lines
    • Frontier Airlines
    • Spirit Airlines
    • Turkish Airlines
    from $104
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines9–219–219–219–219–219–219–21
    American Airlines6–116–116–116–116–116–146–11
    Delta Air Lines7–87–87–87–87–87–87–8
    Frontier Airlines2–41–31–31–32–422–3
    Spirit Airlines1111111
    Turkish Airlines0001100
    Royal Jordanian0001000
  • Buffalo (BUF)Chicago O'Hare (ORD)
    non-stop flights:
    2–11 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    from $154
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines6–96–96–96–106–116–96–10
    American Airlines3–83–83–83–83–82–83–9
  • Tampa (TPA)Chicago O'Hare (ORD)
    non-stop flights:
    up to 19 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    • Spirit Airlines
    • Alaska Airlines
    • Frontier Airlines
    from $112
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines9–199–189–1811–1811–1810–1811–18
    American Airlines3–73–73–73–73–73–63–8
    Spirit Airlines1–31–51–31–41–41–41–3
    Alaska Airlines1111111
    Frontier Airlines1101111
  • Denver (DEN)Chicago O'Hare (ORD)
    non-stop flights:
    up to 28 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    • Frontier Airlines
    • Finnair
    from $135
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines15–2815–2813–2715–2815–2815–2815–28
    American Airlines6–116–116–116–116–115–106–11
    Frontier Airlines1–21–211–21–31–21–2
    Finnair0100000
  • Detroit (DTW)Chicago O'Hare (ORD)
    non-stop flights:
    up to 18 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    • Delta Air Lines
    • Westjet
    • Finnair
    from $154
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines8–188–188–188–168–168–168–17
    American Airlines5–155–145–145–155–155–155–17
    Delta Air Lines5–125–115–115–125–125–115–12
    Westjet1001111
    Finnair0110000
  • Baltimore (BWI)Chicago O'Hare (ORD)
    non-stop flights:
    up to 9 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • American Airlines
    • United Airlines
    • Frontier Airlines
    • Spirit Airlines
    from $100
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    American Airlines2–92–92–92–92–92–92–9
    United Airlines2–82–82–83–82–82–82–8
    Frontier Airlines1–2111–21–211–2
    Spirit Airlines1001–3101–3
  • Cleveland (CLE)Chicago O'Hare (ORD)
    non-stop flights:
    up to 26 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • American Airlines
    • United Airlines
    • Alaska Airlines
    • Qatar Airways
    • Royal Jordanian
    from $154
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    American Airlines10–259–2510–259–2510–258–2510–26
    United Airlines13–1913–2013–1912–1912–1912–1813–19
    Alaska Airlines2221–2222
    Qatar Airways1111111
    Royal Jordanian0001000
  • Allentown (ABE)Chicago O'Hare (ORD)
    non-stop flights:
    1–5 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    from $258
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines3–53–43–42–53–53–43–4
    American Airlines1111111
  • Appleton (ATW)Chicago O'Hare (ORD)
    non-stop flights:
    2–19 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    from $228
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines7–187–187–187–187–197–197–18
    American Airlines2–102–102–102–102–102–102–10
  • Birmingham-Alabama (BHM)Chicago O'Hare (ORD)
    non-stop flights:
    1–9 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    from $201
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines2–92–92–92–72–82–72–7
    American Airlines1–61–61–61–61–61–61–6
  • Nashville (BNA)Chicago O'Hare (ORD)
    non-stop flights:
    up to 23 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    • Frontier Airlines
    • Spirit Airlines
    • Aer Lingus Irish Airlines
    • Royal Jordanian
    from $117
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines7–217–237–217–217–217–227–23
    American Airlines9–158–138–139–149–148–159–16
    Frontier Airlines1101111
    Spirit Airlines1–20011–201
    Aer Lingus Irish Airlines0110010
    Royal Jordanian0011000
    Alaska Airlines1000000
    Finnair0100000
Prices based on recent searches, subject to last-minute changes
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