Flights from United States to Chicago

Our cheapest offers for flights from United States a Chicago

Here you can compare cheap flights from United States to Chicago (CHI) 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. Prices and availability may change at any time.

  • New York (NYC)Chicago (CHI)
    non-stop flights:
    up to 88 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
    • JetBlue Airways
    • Frontier Airlines
    from $104
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines47–8847–8847–8846–8746–8738–6839–83
    American Airlines15–4715–4715–4815–4715–4715–4715–47
    Delta Air Lines14–2715–3015–2714–2614–268–2714–28
    Spirit Airlines1–81–61–71–71–91–91–8
    JetBlue Airways1–31–21–21–21–21–21–2
    Frontier Airlines11–211–2111–2
    Alaska Airlines1–211–211–211
    Qantas Airways0010001
    Atlas Air0010000
    Cathay Pacific Airways1000000
    Turkish Airlines0000100
  • Boston (BOS)Chicago (CHI)
    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
  • Washington-DC (WAS)Chicago (CHI)
    non-stop flights:
    up to 45 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • American Airlines
    • Turkish Airlines
    from $144
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines25–4225–4225–4225–4225–4224–4425–45
    American Airlines7–147–147–147–147–147–147–14
    Turkish Airlines0010100
  • Atlanta (ATL)Chicago (CHI)
    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
    • Delta Air Lines
    • American Airlines
    • Frontier Airlines
    • Spirit Airlines
    • Finnair
    from $85
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines9–219–219–219–219–219–219–21
    Delta Air Lines11–1311–1311–1311–1311–1311–1311–13
    American Airlines6–116–116–116–116–116–146–11
    Frontier Airlines3–73–53–52–53–63–43–5
    Spirit Airlines1111111
    Finnair0010111
    Turkish Airlines0001100
    Alaska Airlines0001000
    Volaris0000001
    Royal Jordanian0001000
  • Denver (DEN)Chicago (CHI)
    non-stop flights:
    up to 30 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 Airlines15–2915–2813–2915–2815–3015–2815–29
    American Airlines6–116–116–116–116–115–106–11
    Frontier Airlines1–41–21–21–31–51–21–3
    Finnair0100101
  • Tampa (TPA)Chicago (CHI)
    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
    • Frontier Airlines
    • Alaska Airlines
    from $112
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines9–199–189–189–189–189–189–18
    American Airlines3–73–73–73–73–73–63–8
    Spirit Airlines1–31–51–31–41–41–41–3
    Frontier Airlines11–201–21–21–21–3
    Alaska Airlines1111111
  • San Francisco (SFO)Chicago (CHI)
    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 $244
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines20–3620–3620–3620–3621–3620–3720–37
    American Airlines4–94–94–94–94–94–94–9
    Alaska Airlines1111111
    Iberia1111111
    Finnair0010100
    Gulf Air0100000
  • Phoenix - Sky Harbor (PHX)Chicago (CHI)
    non-stop flights:
    up to 29 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
    • Royal Jordanian
    from $142
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines13–2813–2713–2813–2913–2813–2913–28
    American Airlines9–238–238–239–239–238–229–23
    Frontier Airlines1–2111–31–211–2
    Finnair0110111
    Royal Jordanian0010000
  • Dallas (DFW)Chicago (CHI)
    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
    • Frontier Airlines
    • Spirit 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
    Frontier Airlines2–51–41–41–42–42–42–4
    Spirit Airlines1–41–31–31–51–41–21–4
    Atlas Air1000100
    Royal Jordanian0110000
    Volaris0000100
  • Nashville (BNA)Chicago (CHI)
    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
    • Finnair
    • Aer Lingus Irish Airlines
    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 Airlines9–158–148–139–149–148–159–16
    Frontier Airlines1101111
    Spirit Airlines1–20011–201
    Finnair0110101
    Aer Lingus Irish Airlines0110010
    Allegiant Air1000100
    Royal Jordanian0011000
    Alaska Airlines1000000
  • Birmingham-Alabama (BHM)Chicago (CHI)
    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 Airlines2–92–92–92–92–92–92–9
    American Airlines1–61–61–61–61–61–61–6
  • Chattanooga (CHA)Chicago (CHI)
    non-stop flights:
    2–7 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 $205
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines4–74–74–74–74–74–64–7
    American Airlines2–32–32–32–32–32–32–3
Prices based on recent searches, subject to last-minute changes
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