Cheap flights from Harlingen, TX to Chicago, IL
Choose between United Airlines, Sun Country Airlines, or Frontier Airlines to find the best price
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Cheapest nonstop round-trip | $161 |
|---|---|
Nonstop flights in April | $161 – $161 |
Most popular airline | United Airlines |
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Book your trip to arrive at O Hare International, Chicago Midway International, or Chicago Rockford International. The distance between Harlingen and Chicago is 1966 km. The most popular airlines for this route are United Airlines, Sun Country Airlines, Frontier Airlines, Allegiant Air, and Spirit Airlines. Harlingen and Chicago have 80 direct flights per week.
Weekly direct flights
Discover the top airlines offering direct flights from Harlingen to Chicago in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Sun 14.04 - Sat 20.04
| Airline | Sun 14.04 | Mon 15.04 | Tue 16.04 | Wed 17.04 | Thu 18.04 | Fri 19.04 | Sat 20.04 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | 1 |
Weekly direct flights for Sun 21.04 - Sat 27.04
| Airline | Sun 21.04 | Mon 22.04 | Tue 23.04 | Wed 24.04 | Thu 25.04 | Fri 26.04 | Sat 27.04 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | 1 |
Weekly direct flights for Sun 28.04 - Sat 04.05
| Airline | Sun 28.04 | Mon 29.04 | Tue 30.04 | Wed 01.05 | Thu 02.05 | Fri 03.05 | Sat 04.05 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | --- |
Weekly direct flights for Sun 05.05 - Sat 11.05
| Airline | Sun 05.05 | Mon 06.05 | Tue 07.05 | Wed 08.05 | Thu 09.05 | Fri 10.05 | Sat 11.05 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | --- |
Check-in for a flight from Harlingen to Chicago
| Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
|---|---|---|---|---|
| United Airlines | UAL | UA | Yes | No |
| Sun Country Airlines | SCX | SY | Yes | No |
| Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
| Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
| Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Chicago
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 0°C | -6°C |
| February | 0°C | -5°C |
| March | 6°C | 0°C |
| April | 10°C | 4°C |
| May | 17°C | 10°C |
| June | 22°C | 16°C |
| July | 25°C | 20°C |
| August | 25°C | 19°C |
| September | 22°C | 16°C |
| October | 15°C | 10°C |
| November | 8°C | 3°C |
| December | 2°C | -1°C |
14 day forecast
Frequently asked questions
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